repeatedlywww38jjjcom

LM96063www.
ti.
comSNIS149B–NOVEMBER2011–REVISEDMARCH2013LM96063RemoteDiodeDigitalTemperatureSensorwithIntegratedFanControlCheckforSamples:LM960631FEATURESAPPLICATIONS2AccuratelySensesRemoteDiode-ConnectedCommunicationsInfrastructureFPGA,ASICorMMBT3904TransistorsorThermalDiodesOn-ProcessorThermalManagementBoardProcessors,FPGAsorASICsElectronicTestandOfficeEquipmentAccuratelySensesItsOwnLocalDieIndustrialControlsTemperatureOffsetRegistercanAdjustforaVarietyofDESCRIPTIONThermalDiodesTheLM96063isremotediodetemperaturesensorswithintegratedfancontrolthatincludesremotediodeResolvesRemoteTemperaturesuptosensing.
TheLM96063accuratelymeasures:(1)its255.
875°Cowntemperatureand(2)thetemperatureofadiode-10-bitPlusSignand11-bitUnsignedDataconnectedtransistor,suchasa2N3904,orathermalFormats,with1/8°CResolutiondiodecommonlyfoundonComputerProcessors,DigitalFilterofRemoteDataLowersNoiseandGraphicsProcessorUnits(GPU)andotherASIC's.
ImprovesResolutionto1/32°CTheLM96063alsofeaturesanintegrated,pulse-IntegratedPWMFanSpeedControlOutputwidth-modulated(PWM),open-drainfancontrolSupportsHighResolutionat22.
5kHzoutput.
Fanspeedisacombinationoftheremotetemperaturereading,thelookuptableandregisterFrequencyfor4-PinFanssettings.
The12-stepLookupTable(LUT)enablesAcousticFanNoiseReductionwithUser-theusertoprogramanon-linearfanspeedvs.
Programmable12-StepLookupTabletemperaturetransferfunctionoftenusedtoquietLUTTransitionFineResolutionSmoothingacousticfannoise.
InadditionafullyprogrammableFunctionrampingfunctionhasbeenaddedtoallowsmoothtransitionsbetweenLUTsetpoints.
TachometerInputforMeasuringFanRPMwithSmart-TachModesforMeasuringRPMofFansTheLM96063istargetedmainlyforatransistorwhenPulse-Width-ModulatinganActualPowerMMBT3904usedasthermaldiodesorthermaldiodesfoundinmanyFPGAs,ASICs,andprocessorsonALERTOutputforErrorEventNotificationSOIprocesses.
TheLM96163isidenticaltotheTCRITOutputforCriticalTemperatureSystemLM96063excepttheTruThermBJTBetaShutdowncompensationisenabledatpowerupthatistargetedSMBus2.
0CompatibleInterface,SupportsforthermaldiodesfoundonpopularprocessorsusingTIMEOUTbulknonSOIprocesses.
WSONPackagesTable1.
KEYSPECIFICATIONSSupplyVoltage3.
0Vto3.
6VSupplyCurrent(0.
8HzConversion)456A(typ)RemoteDiodeTempAccuracy(TruThermoff,includesquantizationerror)AmbientDiodeMaxTempTempError+25to+85°C+50to+105°C±0.
75°C+25to+85°C+40to+105°C±1.
5°C-40to+25°C+25to+125°C±3°CLocalTempAccuracy(includesquantizationerror)AmbientTempMaxError+25°Cto+125°C±3.
0°C1Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright2011–2013,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsoftheTexasInstrumentsstandardwarranty.
Productionprocessingdoesnotnecessarilyincludetestingofallparameters.
LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
ti.
comConnectionDiagramFigure1.
WSONPackageSeePackageNumberDSC0010APINDESCRIPTIONSPinNameInput/OutputFunctionandConnectionOpen-DrainDigitalOutput.
Connecttosystemshutdown.
PinactivateswhenOpen-Drain1TCRITtemperatureconversionvalueexceedsprogrammedlimit.
Severalpower-on-defaultDigitalOutputlimitvaluesareavailable.
Connecttoalow-noise+3.
3±0.
3VDCpowersupply,andbypasstoGNDwitha0.
1F2VDDPowerSupplyInputceramiccapacitorinparallelwitha100pFceramiccapacitor.
Abulkcapacitanceof10FneedstobeinthevicinityoftheLM96063'sVDDpin.
Connecttotheanode(positiveside)oftheremotediode.
A100pFcapacitorcanbe3D+AnalogInputconnectedbetweenpins3and4.
Connecttothecathode(negativeside)oftheremotediode.
A100pFcapacitorcanbe4DAnalogInputconnectedbetweenpins3and4.
Open-DrainOpen-DrainDigitalOutput.
Connecttofandrivecircuitry.
Thepower-ondefaultforthis5PWMDigitalOutputpinislow(pin4pulledtoground).
6GNDGroundThisistheanaloganddigitalgroundreturn.
Open-DrainThispinisanopen-drainALERToutput.
7ALERTDigitalOutputTachometerinputformeasuringfanspeed.
NotetheTACHinputisdisabledupon8TACHDigitalInputpower-upandneedstobeenabledforusebysettingTCHENbit2ofConfigurationRegister03h.
DigitalInput/9SMBDATOpen-DrainDigitalThisisthebidirectionalSMBusdataline.
Output10SMBCLKDigitalInputDigitalInput.
ThisistheSMBusclockinput.
2SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013SimplifiedBlockDiagramTypicalApplicationCopyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback3ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comThesedeviceshavelimitedbuilt-inESDprotection.
TheleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoamduringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.
AbsoluteMaximumRatings(1)(2)SupplyVoltage,VDD0.
3Vto6.
0VVoltageonSMBDAT,SMBCLK,ALERT,TCRIT,TACHPWMPins0.
5Vto6.
0VVoltageonOtherPins0.
3Vto(VDD+0.
3V)InputCurrent,DPin(3)±1mAInputCurrentatAllOtherPins(3)5mAPackageInputCurrent(3)30mASMBDAT,ALERT,PWMpinsOutputSinkCurrent10mAPackagePowerDissipation(4)JunctionTemperature125°CStorageTemperature65°Cto+150°CESDSusceptibility(5)HumanBodyModel2500VMachineModel250VChargedDeviceModel1000V(1)AbsoluteMaximumRatingsindicatelimitsbeyondwhichdamagetothedevicemayoccur.
OperatingRatingsindicateconditionsforwhichthedeviceisfunctional,butdonotensureperformancelimits.
Forensuredspecificationsandtestconditions,seetheElectricalCharacteristics.
Theensuredspecificationsapplyonlyforthetestconditionslisted.
Someperformancecharacteristicsmaydegradewhenthedeviceisnotoperatedunderthelistedtestconditions.
(2)AllvoltagesaremeasuredwithrespecttoGND,unlessotherwisenoted.
(3)Whentheinputvoltage(VIN)atanypinexceedsthepowersupplies(VINV+),thecurrentatthatpinshouldbelimitedto5mA.
Parasiticcomponentsand/orESDprotectioncircuitryareshownbelowfortheLM96063'spins.
Careshouldbetakennottoforwardbiastheparasiticdiode,D2,presentonpinsD+andD.
Doingsobymorethan50mVmaycorrupttemperaturemeasurements.
(4)Thermalresistancejunctiontoambientwhenattachedtoa2layer4"x3"printedcircuitboardwithcopperthicknessof2oz.
asdescribedinJEDECspecificationEIA/JESD51-3is137°C/W.
Thermalresistancejunctiontoambientwhenattachedtoa4layer4"x3"printedcircuitboardwithcopperthickness2oz.
/1oz.
/1oz/2oz.
and4thermalviasasdescribedinJEDECspecificationEIA/JESD51-7is40.
3°C/W.
(5)Humanbodymodel,100pFdischargedthrougha1.
5kΩresistor.
Machinemodel,200pFdischargeddirectlyintoeachpin.
ChargedDeviceModel(CDM)simulatesapinslowlyacquiringcharge(suchasfromadeviceslidingdownthefeederinanautomatedassembler)thenrapidlybeingdischarged.
OperatingRatings(1)(2)(3)(4)SpecifiedTemperatureRangeTMIN≤TA≤TMAXLM96063CISD–40°C≤TA≤+85°CRemoteDiodeTemperatureRange-40°C≤TD≤+140°CSupplyVoltageRange(VDD)+3.
0Vto+3.
6V(1)AbsoluteMaximumRatingsindicatelimitsbeyondwhichdamagetothedevicemayoccur.
OperatingRatingsindicateconditionsforwhichthedeviceisfunctional,butdonotensureperformancelimits.
Forensuredspecificationsandtestconditions,seetheElectricalCharacteristics.
Theensuredspecificationsapplyonlyforthetestconditionslisted.
Someperformancecharacteristicsmaydegradewhenthedeviceisnotoperatedunderthelistedtestconditions.
(2)AllvoltagesaremeasuredwithrespecttoGND,unlessotherwisenoted.
(3)SolderingprocessmustcomplywithReflowTemperatureProfilespecifications.
Refertowww.
ti.
com/packaging.
(4)Reflowtemperatureprofilesaredifferentforpackagescontaininglead(Pb)thanforthosethatdonot.
4SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013DCElectricalCharacteristicsTEMPERATURE-TO-DIGITALCONVERTERCHARACTERISTICSThefollowingspecificationsapplyforVDD=3.
0VDCto3.
6VDC,andallanalogsourceimpedanceRS=50unlessotherwisespecifiedintheconditions.
BoldfacelimitsapplyforTA=TJ=TMINtoTMAX;allotherlimitsTA=+25°C;unlessotherwisenoted.
TDisthejunctiontemperatureoftheremotethermaldiode.
TJisthejunctiontemperatureoftheLM96063.
TypicalUnitsParameterTestConditionsLimits(2)(1)(Limits)TemperatureErrorUsinganMMBT3904TD=+50°Cto+105°CRemoteThermalDiodeTA=+25°Cto+85°CTD=RemoteDiode±0.
75°C(max)JunctionTemperatureTA=+25°Cto+85°CTD=+40°Cto+125°C±1.
5°C(max)TA=-40°Cto+25°CTD=+25°Cto+125°C±3.
0°C(max)TemperatureErrorUsingtheLocalDiode(3)TA=+25°Cto+125°C±1±3°C(max)TA=-40°Cto+25°C±6°C(max)11BitsRemoteDiodeResolution0.
125°C8BitsLocalDiodeResolution1°CConversionTime,AllTemperatureChannelsFastestSetting38.
341.
1ms(max)DSourceVoltage0.
4V225A(max)(VD+VD)=+0.
65V;HighCurrent172DiodeSourceCurrent100A(min)LowCurrent10.
75ADiodeSourceCurrentRatio16(1)"Typicals"areatTA=25°Candrepresentmostlikelyparametricnorm.
Theyaretobeusedasgeneralreferencevaluesnotforcriticaldesigncalculations.
(2)LimitsarespecifiedtoAOQL(AverageOutgoingQualityLevel).
(3)Localtemperatureaccuracydoesnotincludetheeffectsofself-heating.
Theriseintemperatureduetoself-heatingistheproductoftheinternalpowerdissipationoftheLM96063andthethermalresistance.
SeeNote4intheAbsoluteMaximumRatingstableforthethermalresistancetobeusedintheself-heatingcalculation.
OperatingElectricalCharacteristicsTypLimitsParameterTestConditionsUnits(1)(2)2.
8V(max)VPORPower-On-ResetThresholdVoltage1.
6V(min)SMBusInactive,13Hz1.
11.
6mA(max)ConversionRateISSupplyCurrent(3)SMBusInactive,0.
8Hz456825A(max)ConversionRateSTANDBYMode416700A(max)(1)"Typicals"areatTA=25°Candrepresentmostlikelyparametricnorm.
Theyaretobeusedasgeneralreferencevaluesnotforcriticaldesigncalculations.
(2)LimitsarespecifiedtoAOQL(AverageOutgoingQualityLevel).
(3)ThesupplycurrentwillnotincreasesubstantiallywithanSMBustransaction.
Copyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback5ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comACElectricalCharacteristicsThefollowingspecificationsapplyforVDD=3.
0VDCto3.
6VDC,andallanalogsourceimpedanceRS=50unlessotherwisespecifiedintheconditions.
BoldfacelimitsapplyforTA=TMINtoTMAX;allotherlimitsTA=+25°C.
TypicalLimitsUnitsParameterTestConditions(1)(2)(Limit)TACHOMETERACCURACYFanCountAccuracy±7%(max)FanFull-ScaleCount65535(max)FanCounterClockFrequency90kHzFanCountUpdateFrequency1.
0HzFANPWMOUTPUTFrequencyAccuracy±7%(max)(1)"Typicals"areatTA=25°Candrepresentmostlikelyparametricnorm.
Theyaretobeusedasgeneralreferencevaluesnotforcriticaldesigncalculations.
(2)LimitsarespecifiedtoAOQL(AverageOutgoingQualityLevel).
DigitalElectricalCharacteristicsTypicalLimitsUnitsParameterTestConditions(1)(2)(Limit)VIHLogicalHighInputVoltage2.
1V(min)VILLogicalLowInputVoltage0.
8V(max)IIHLogicalHighInputCurrentVIN=VDD0.
005+10A(max)IILLogicalLowInputCurrentVIN=GND0.
00510A(max)CINDigitalInputCapacitance5pFALERT,TCRITandPWMOutputVOLIOUT=6mA0.
4V(max)SaturationVoltageCOUTDigitalOutputCapacitance5pF(1)"Typicals"areatTA=25°Candrepresentmostlikelyparametricnorm.
Theyaretobeusedasgeneralreferencevaluesnotforcriticaldesigncalculations.
(2)LimitsarespecifiedtoAOQL(AverageOutgoingQualityLevel).
SMBusLogicalElectricalCharacteristicsThefollowingspecificationsapplyforVDD=3.
0VDCto3.
6VDC,andallanalogsourceimpedanceRS=50unlessotherwisespecifiedintheconditions.
BoldfacelimitsapplyforTA=TMINtoTMAX;allotherlimitsTA=+25°C.
TypicalLimitsUnitsParameterTestConditions(1)(2)(Limit)SMBDATOPEN-DRAINOUTPUTVOLLogicLowLevelOutputVoltageIOL=4mA0.
4V(max)IOHHighLevelOutputCurrentVOUT=VDD0.
0310A(max)COUTDigitalOutputCapacitance5pFSMBDAT,SMBCLKINPUTSVIHLogicalHighInputVoltage2.
1V(min)VILLogicalLowInputVoltage0.
8V(max)VHYSTLogicInputHysteresisVoltage320mVCINDigitalInputCapacitance5pF(1)"Typicals"areatTA=25°Candrepresentmostlikelyparametricnorm.
Theyaretobeusedasgeneralreferencevaluesnotforcriticaldesigncalculations.
(2)LimitsarespecifiedtoAOQL(AverageOutgoingQualityLevel).
6SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013SMBusDigitalSwitchingCharacteristicsUnlessotherwisenoted,thesespecificationsapplyforVDD=+3.
0VDCto+3.
6VDC,CL(loadcapacitance)onoutputlines=80pF.
BoldfacelimitsapplyforTA=TJ;TMIN≤TA≤TMAX;allotherlimitsTA=TJ=+25°C,unlessotherwisenoted.
TheswitchingcharacteristicsoftheLM96063fullymeetorexceedthepublishedspecificationsoftheSMBusversion2.
0.
ThefollowingparametersarethetimingrelationshipsbetweenSMBCLKandSMBDATsignalsrelatedtotheLM96063.
TheyadheretobutarenotnecessarilythesameastheSMBusbusspecifications.
LimitsUnitsParameterTestConditions(1)(Limit)10kHz(min)fSMBSMBusClockFrequency100kHz(max)tLOWSMBusClockLowTimeFromVIN(0)maxtoVIN(0)max4.
7s(min)FromVIN(1)mintoVIN(1)min4.
0s(min)tHIGHSMBusClockHighTime50s(max)tRSMBusRiseTime(2)1s(max)tFSMBusFallTime(3)0.
3s(max)tOFOutputFallTimeCL=400pF,IO=3mA250ns(max)SMBDATandSMBCLKTimeLowforResetof25ms(min)tTIMEOUTSerialInterfaceSee(4)35ms(max)tSU:DATDataInSetupTimetoSMBCLKHigh250ns(min)300ns(min)tHD:DATDataOutHoldTimeafterSMBCLKLow1075ns(max)HoldTimeafter(Repeated)StartCondition.
AftertHD:STA4.
0s(min)thisperiodthefirstclockisgenerated.
tSU:STOStopConditionSMBCLKHightoSMBDATLow100ns(min)(StopConditionSetup)SMBusRepeatedStart-ConditionSetupTime,tSU:STA4.
7s(min)SMBCLKHightoSMBDATLowSMBusFreeTimebetweenStopandStarttBUF4.
7s(min)Conditions(1)LimitsarespecifiedtoAOQL(AverageOutgoingQualityLevel).
(2)Theoutputrisetimeismeasuredfrom(VILmax-0.
15V)to(VIHmin+0.
15V).
(3)Theoutputfalltimeismeasuredfrom(VIHmin+0.
15V)to(VILmax-0.
15V).
(4)HoldingtheSMBDATand/orSMBCLKlinesLowforatimeintervalgreaterthantTIMEOUTwillresettheLM96063'sSMBusstatemachine,thereforesettingSMBDATandSMBCLKpinstoahighimpedancestate.
Figure2.
SMBusTimingDiagramforSMBCLKandSMBDATSignalsCopyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback7ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comPin#LabelCircuitPinESDProtectionStructureCircuits1TCRITA2VDDB3D+B4D-BCIRCUITA5PWMA6GNDB7ALERTA8TACHA9SMBDATA10SMBCLKACIRCUITBTypicalPerformanceCharacteristicsRemoteTemperatureReadingSensitivitytoThermalThermalDiodeCapacitororPCBLeakageCurrentEffectDiodeFilterCapacitanceonRemoteDiodeTemperatureReadingFigure3.
Figure4.
ConversionRateEffectonAveragePowerSupplyCurrentFigure5.
8SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013FUNCTIONALDESCRIPTIONTheLM96063RemoteDiodeTemperatureSensorwithIntegratedFanControlincorporatesaΔVBE-basedtemperaturesensorutilizingaLocalorRemotediodeanda10-bitplussignΔΣADC(Delta-SigmaAnalog-to-DigitalConverter).
Thepulse-widthmodulated(PWM)open-drainoutput,withapull-upresistor,isdrivenbya12-pointtemperaturetodutycyclelook-uptable(LUT)andcandirectlydriveaPWMinputofa4-pinfaninordertomodulateit'sspeedenablingoptimumsystemacousticperformance.
TheLM96063LUTfancontrolalgorithmalsoincludesasmoothingfunctionthatallowsthePWMdutycycletograduallychangeoveraprogrammedtimeintervalwhenswitchingfromoneleveltothenextintheLUT.
Whenrunningatafrequencyof22.
5kHzthePWMoutputresolutionis0.
39%.
TheLM96063includesaTACHinputthatcanmeasurethespeedofafanusingthepulsesfroma3or4pinfan'stachometeroutput.
TheLM96063includesasmart-tachmeasurementmodetoaccommodatethecorruptedtachometerpulseswhenusingswitchingtransistorpowerdrivetomodulatethefanspeed.
TheLM96063hasanALERTopen-drainoutputthatwillbepulledlowwhenthemeasuredtemperatureexceedscertainprogrammedlimitswhenenabled.
Detailsarecontainedinthesectionsbelow.
TheLM96063canmeasureadiode-connectedtransistorsuchastheMMBT3904orthethermaldiodefoundinanFPGA,ASIC,ProcessororanyotherdevicebuiltonanSOIprocessaccurately.
TheLM96163isidenticaltotheLM96063excepttheTruThermBJTBetacompensationisincluded.
ThermaldiodeTruThermBJTcompensationcircuitryisrequiredwhensensingthermaldiodesmainlyfoundin22/45/65/90nmconventionalbulkCMOSnonSOIprocesses.
TheLM96063'stwo-wireinterfaceiscompatiblewiththeSMBusSpecification2.
0.
Formoreinformationthereaderisdirectedtowww.
smbus.
org.
IntheLM96063digitalcomparatorsareusedtocomparethemeasuredLocalTemperature(LT)totheLocalHighSetpointuser-programmabletemperaturelimitregister.
ThemeasuredRemoteTemperature(RT)isdigitallycomparedtotheRemoteHighSetpoint(RHS),theRemoteLowSetpoint(RLS),andtheRemoteT_CRITSetpoint(RCS)user-programmabletemperaturelimits.
AnALERToutputwilloccurwhenthemeasuredtemperatureis:(1)higherthaneithertheHighSetpointortheT_CRITSetpoint,or(2)lowerthantheLowSetpoint.
TheALERTMaskregisterallowstheusertopreventthegenerationoftheseALERToutputs.
ATCRIToutputwilloccurwhenthemeasuredtemperatureishigherthantheT_CRITSetpoint.
TheTCRITfunctionandthelook-uptabletemperaturehysteresiscanbesetseparately.
ThehysteresisvalueassociatedwiththeTCRIToutputissetintheRemoteT_CRITHysteresisRegister.
Thevalueassociatedwiththelook-uptablefunctionissetintheLookupTableHysteresisRegister.
TheLM96063maybeplacedinalowpowerStandbymodebysettingtheStandbybitfoundintheConfigurationRegister.
IntheStandbymodecontinuousconversionsarestopped.
InStandbymodetheusermaychoosetoallowthePWMoutputsignaltocontinue,ornot,byprogrammingthePWMDisableinStandbybitintheConfigurationRegister.
TheLocalTemperaturereadingandsetpointdataregistersare8-bitswide.
Theformatofthe11-bitremotetemperaturedataisa16-bitleftjustifiedword.
Two8-bitregisters,highandlowbytes,areprovidedforeachsetpointaswellasthetemperaturereading.
Adigitalfiltermaybeinvokedforremotetemperaturereadingsthatincreasestheresolutionfrom11-bitsto13-bits.
Thetemperaturereadingsarealsoavailableinanunsignedformatallowingresolutionabove127°C.
TwoRemoteTemperatureOffset(RTO)Registers:HighByteandLowByte(RTOHBandRTOLB)maybeusedtocorrectthetemperaturereadingsbyaddingorsubtractingafixedvaluebasedonadifferentnon-idealityfactorandseriesresistanceofthethermaldiodeifdifferentfromthethermaldiodefoundintheIntelprocessorson45nmprocess.
SeesectionDIODENON-IDEALITY.
ALERTandTCRITOUTPUTSInthissectionwewilladdresstheALERTandTCRITactive-lowopen-drainoutputfunctions.
WhentheALERTMaskbitintheConfigurationregisteriswrittenaszerotheALERTinterruptsareenabled.
TheLM96063'sALERTpinisversatileandcanproducethreedifferentmethodsofusetobestservethesystemdesigner:(1)asatemperaturecomparator(2)asatemperature-basedinterruptflag,and(3)aspartofanSMBusALERTSystem.
Thethreemethodsofusearefurtherdescribedbelow.
TheALERTandinterruptmethodsaredifferentonlyinhowtheuserinteractswiththeLM96063.
Copyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback9ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comTheremotetemperature(RT)readingisassociatedwithaT_CRITSetpointRegister,andbothlocalandremotetemperature(LTandRT)readingsareassociatedwithaHIGHsetpointregister(LHSandRHS).
TheRTisalsoassociatedwithaLOWsetpointregister(RLS).
AttheendofeverytemperaturereadingadigitalcomparisondetermineswhetherthatreadingisaboveitsHIGHorT_CRITsetpointorbelowitsLOWsetpoint.
Ifso,thecorrespondingbitintheALERTStatusRegisterisset.
IftheALERTmaskbitislow,anybitsetintheALERTStatusRegister,withtheexceptionofBusyorRDFA,willcausetheALERToutputtobepulledlow.
AnytemperatureconversionthatisoutofthelimitsdefinedinthetemperaturesetpointregisterswilltriggeranALERT.
Additionally,theALERTMaskBitmustbeclearedtotriggeranALERTinallmodes.
TheformatoftheRemoteHighlimitandT_CRITlimitcomparisonisprogrammable.
TheUSFbitfoundintheEnhancedConfigurationregistercontrolswhethercomparisonsuseasignedorunsignedformat.
ThetemperatureformatusedforRemoteHighandT_CRITlimitcomparisonsis+255.
875°Cto-256°C.
ThethreedifferentALERTmodesandTCRITfunctionwillbediscussedinthefollowingsections.
ALERTOutputasaTemperatureComparatorWhentheLM96063isusedinasysteminwhichdoesnotrequiretemperature-basedinterrupts,theALERToutputcouldbeusedasatemperaturecomparator.
Inthismode,oncetheconditionthattriggeredtheALERTtogolowisnolongerpresent,theALERTisnegated(Figure6).
Forexample,iftheALERToutputwasactivatedbythecomparisonofLT>LHS,whenthisconditionisnolongertrue,theALERTwillreturnHIGH.
Thismodeallowsoperationwithoutsoftwareintervention,onceallregistersareconfiguredduringset-up.
InorderfortheALERTtobeusedasatemperaturecomparator,theComparatorModebitintheRemoteDiodeTemperatureFilterandComparatorModeRegistermustbeasserted.
Thisisnotthepower-ondefaultstate.
Figure6.
ALERTOutputasTemperatureComparatorResponseDiagramALERTOutputasanInterruptTheLM96063'sALERToutputcanbeimplementedasasimpleinterruptsignalwhenitisusedtotriggeraninterruptserviceroutine.
Insuchsystemsitisdesirablefortheinterruptflagtorepeatedlytriggerduringorbeforetheinterruptserviceroutinehasbeencompleted.
Underthismethodofoperation,duringthereadoftheALERTStatusRegistertheLM96063willsettheALERTMaskbitintheConfigurationRegisterifanybitintheALERTStatusRegisterisset,withtheexceptionofBusyandRDFA.
ThispreventsfurtherALERTtriggeringuntilthemasterhasresettheALERTMaskbit,attheendoftheinterruptserviceroutine.
TheALERTStatusRegisterbitsareclearedonlyuponareadcommandfromthemaster(seeFigure7)andwillbere-assertedattheendofthenextconversionifthetriggeringcondition(s)persist(s).
InorderfortheALERTtobeusedasadedicatedinterruptsignal,theComparatorModebitintheRemoteDiodeTemperatureFilterandComparatorModeRegistermustbesetlow.
Thisisthepower-ondefaultstate.
ThefollowingsequencedescribestheresponseofasystemthatusestheALERToutputpinasaninterruptflag:1.
MastersensesALERTlow.
2.
MasterreadstheLM96063ALERTStatusRegistertodeterminewhatcausedtheALERT.
3.
LM96063clearsALERTStatusRegister,resetstheALERTHIGHandsetstheALERTMaskbitintheConfigurationRegister.
4.
MasterattendstoconditionsthatcausedtheALERTtobetriggered.
Thefanisstarted,setpointlimitsareadjusted,etc.
5.
MasterresetstheALERTMaskbitintheConfigurationRegister.
10SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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ALERTOutputasanInterruptTemperatureResponseDiagramALERTOutputasanSMBusALERTAnSMBusalertlineiscreatedwhentheALERToutputisconnectedto:(1)oneormoreALERToutputsofotherSMBuscompatibledevices,and(2)toamaster.
Underthisimplementation,theLM96063'sALERTshouldbeoperatedusingtheARA(AlertResponseAddress)protocol.
TheSMBus2.
0ARAprotocol,definedintheSMBusspecification2.
0,isaproceduredesignedtoassistthemasterindeterminingwhichpartgeneratedaninterruptandtoservicethatinterrupt.
TheSMBusalertlineisconnectedtotheopen-drainportsofalldevicesonthebus,therebyAND'ingthemtogether.
TheARAmethodallowstheSMBusmaster,withonecommand,toidentifywhichpartispullingtheSMBusalertlineLOW.
ItalsopreventsthepartfrompullingthelineLOWagainforthesametriggeringcondition.
WhenanARAcommandisreceivedbyalldevicesonthebus,thedevicespullingtheSMBusalertlineLOW:(1)sendtheiraddresstothemasterand(2)releasetheSMBusalertlineafteracknowledgementoftheiraddress.
TheSMBusSpecifications1.
1and2.
0statethatinresponsetoandARA(AlertResponseAddress)"afteracknowledgingtheslaveaddressthedevicemustdisengageitsALERTpulldown".
Furthermore,"ifthehoststillseesALERTlowwhenthemessagetransferiscomplete,itknowstoreadtheARAagain.
"ThisSMBus"disengagingALERTrequirementpreventslockinguptheSMBusalertline.
Competitivepartsmayaddressthe"disengagingofALERT"differentlythantheLM96063ornotatall.
SMBussystemsthatimplementtheARAprotocolassuggestedfortheLM96063willbefullycompatiblewithallcompetitiveparts.
TheLM96063fulfills"disengagingofALERT"bysettingtheALERTMaskBitintheConfigurationRegisteraftersendingoutitsaddressinresponsetoanARAandreleasingtheALERToutputpin.
OncetheALERTMaskbitisactivated,theALERToutputpinwillbedisableduntilenabledbysoftware.
InordertoenabletheALERTthemastermustreadtheALERTStatusRegister,duringtheinterruptserviceroutineandthenresettheALERTMaskbitintheConfigurationRegisterto0attheendoftheinterruptserviceroutine.
ThefollowingsequencedescribestheARAresponseprotocol.
1.
MastersensesSMBusalertlinelow2.
MastersendsaSTARTfollowedbytheAlertResponseAddress(ARA)withaReadCommand.
3.
AlertingDevice(s)sendACK.
4.
AlertingDevice(s)sendtheiraddress.
Whiletransmittingtheiraddress,alertingdevicessensewhethertheiraddresshasbeentransmittedcorrectly.
(TheLM96063willresetitsALERToutputandsettheALERTMaskbitonceitscompleteaddresshasbeentransmittedsuccessfully.
)5.
Master/slaveNoACK6.
MastersendsSTOP7.
MasterattendstoconditionsthatcausedtheALERTtobetriggered.
TheALERTStatusRegisterisreadandfanstarted,setpointsadjusted,etc.
8.
MasterresetstheALERTMaskbitintheConfigurationRegister.
TheARA,0001100,isageneralcalladdress.
Nodeviceshouldeverbeassignedtothisaddress.
TheALERTConfigurationbitintheRemoteDiodeTemperatureFilterandComparatorModeRegistermustbesetlowinorderfortheLM96063torespondtotheARAcommand.
Copyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback11ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comTheALERToutputcanbedisabledbysettingtheALERTMaskbitintheConfigurationRegister.
Thepower-ondefaultistohavetheALERTMaskbitandtheALERTConfigurationbitlow.
Figure8.
ALERTOutputasanSMBusALERTTemperatureResponseDiagramTCRITFunctionTheTCRIToutputwillbeactivatedwhenevertheRCRITbitintheALERTStatusregisterisset.
ThisoccurswhenevertheremotetemperatureexceedsthevaluesetbytheRemoteT_CRITSetpointregister.
ThereisahysteresisassociatedwiththeT_CRITSetpointthatissetbythevalueintheRemoteT_CRITHysteresisregister.
TheRCRITbitwillberesetwhentheremotetemperatureequalsorislessthanthevaluedefinedbyRemoteT_CRITSetpointminusT_CRITHysteresis.
Theresolutionofthecomparisonis1°C.
ForexampleifT_CRIT=110°CandTHYST=5°CtheTCRIToutputwillactivatewhenthetemperaturereadingis111°Canddeactivatewhenthetemperaturereadingis105°C.
WhentheLM96063powersuptheT_CRITlimitislockedtothedefaultvalue.
ItmaybechangedaftertheT_CRITLimitOverridebit(TCRITOV)bit,foundintheConfigurationRegister,isset.
TheformatoftheRemoteT_CRITsetpointregisteriscontrolledbytheUSFbitfoundintheEnhancedconfigurationregister.
ThetemperaturereadingformatusedfortheT_CRITcomparisonsis+255°Cto-256°C.
SMBusINTERFACESincetheLM96063operatesasaslaveontheSMBustheSMBCLKlineisaninputandtheSMBDATlineisbidirectional.
TheLM96063neverdrivestheSMBCLKlineanditdoesnotsupportclockstretching.
AccordingtoSMBusspecifications,theLM96063hasa7-bitslaveaddress.
Allbits,A6throughA0,areinternallyprogrammedandcannotbechangedbysoftwareorhardware.
Thecompleteslaveaddressis:A6A5A4A3A2A1A01001100POWER-ONRESET(POR)DEFAULTSTATESForinformationonthePORdefaultstatesseeLM96063REGISTERMAPINFUNCTIONALORDER.
TEMPERATUREDATAFORMATTemperaturedatacanonlybereadfromtheLocalandRemoteTemperaturevalueregisters.
Thedataformatforalltemperaturevaluesisleftjustified16-bitwordavailableintwo8-bitregisters.
Unusedbitswillalwaysreport"0".
Alltemperaturedataisclampedandwillnotrolloverwhenatemperatureexceedsfull-scalevalue.
Remotetemperatureandremotehighsetpointtemperaturedatacanberepresentedbyan11-bit,two'scomplementwordorunsignedbinarywordwithanLSb(LeastSignificantBit)equalto0.
125°C.
12SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013Table2.
11-bit,2'scomplement(10-bitplussign)DigitalDataTemperatureBinaryHex+125°C01111101000000007D00h+25°C00011001000000001900h+1°C00000001000000000100h+0.
125°C00000000001000000020h0°C00000000000000000000h0.
125°C1111111111100000FFE0h1°C1111111100000000FF00h25°C1110011100000000E700h55°C1100100100000000C900hTable3.
11-bit,unsignedbinaryDigitalDataTemperatureBinaryHex+255.
875°C1111111111100000FFE0h+255°C1111111100000000FF00h+201°C1100100100000000C900h+125°C01111101000000007D00h+25°C00011001000000001900h+1°C00000001000000000100h+0.
125°C00000000001000000020h0°C00000000000000000000hWhenthedigitalfilterisenabledontheremotechannel,temperaturedataisrepresentedbya13-bitunsignedbinaryor12-bitplussign(two'scomplement)wordwithanLSbequalto0.
03125°C.
Table4.
13-bit,2'scomplement(12-bitplussign)DigitalDataTemperatureBinaryHex+125°C01111101000000007D00h+25°C00011001000000001900h+1°C00000001000000000100h+0.
03125°C00000000000010000008h0°C00000000000000000000h0.
03125°C1111111111111000FFF8h1°C1111111100000000FF00h25°C1110011100000000E700h55°C1100100100000000C900hTable5.
13-bit,unsignedbinaryDigitalDataTemperatureBinaryHex+255.
875°C1111111111100000FFE0h+255°C1111111100000000FF00h+201°C1100100100000000C900h+125°C01111101000000007D00h+25°C00011001000000001900h+1°C00000001000000000100hCopyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback13ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comTable5.
13-bit,unsignedbinary(continued)DigitalDataTemperatureBinaryHex+0.
03125°C00000000000010000008h0°C00000000000000000000hLocalTemperatureandRemoteT_CRITsetpointdataisrepresentedbyan8-bit,two'scomplement,wordwithanLSbequalto1°C.
Table6.
8-bit,2'scomplement(7-bitplussign)DigitalDataTemperatureBinaryHex+125°C011111017Dh+25°C0001100119h+1°C0000000101h0°C0000000000h1°C11111111FFh25°C11100111E7h55°C11001001C9hRemoteT_CRITsetpointdatacanalsoberepresentedbyan8-bit,unsigned,wordwithanLSbequalto1°C.
Table7.
8-bit,unsignedbinaryDigitalDataTemperatureBinaryHex+255°C11111111FFh+150°C1001011096h+125°C011111017Dh+25°C0001100119h+1°C0000000101h0°C0000000000hOPEN-DRAINOUTPUTSTheSMBDAT,ALERT,TCRITandPWMoutputsareopen-drainoutputsanddonothaveinternalpull-ups.
A"High"levelwillnotbeobservedonthesepinsuntilpull-upcurrentisprovidedbyaninternalsource,typicallythroughapull-upresistor.
Choiceofresistorvaluedependsonseveralfactorsbut,ingeneral,thevalueshouldbeashighaspossibleconsistentwithreliableoperation.
ThiswilllowerthepowerdissipationoftheLM96063andavoidtemperatureerrorscausedbyself-heatingofthedevice.
Themaximumvalueofthepull-upresistortoprovidethe2.
1Vhighlevelis88.
7k.
DIODEFAULTDETECTIONTheLM96063isequippedwithoperationalcircuitrydesignedtodetectremotediodefaultconditions:D+shortedtoVDDD+openorfloatingD+shortedtoGND.
14SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013IntheeventthattheD+pinisgroundedtheRemoteTemperaturereadingisforcedto–128.
000°Cifsignedformatisreadand0°Cifunsignedformatisread.
WhentheD+pinisdetectedasshortedtoVDDorfloating,theRemoteTemperaturereadingisforcedto+127.
000°Cifsignedformatisreadand+255.
000°Cisunsignedformatisread.
Inaddition,theALERTStatusregisterbitRDFAisset.
SettingoftheRDFAbitwillnotcauseALERTorTCRITtoactivate.
UnderfaultconditionsremotediodesetpointcomparisonswillusetheseforcedtemperaturevaluesthereforeotherbitsintheALERTStatusRegistermaybesetthusactivatingtheALERTorTCRIToutputsunlessthesebitsaremasked.
ThefunctionoftheALERTandTCRITisfullydescribedALERTandTCRITOUTPUTS.
COMMUNICATINGWITHTHELM96063EachdataregisterintheLM96063fallsintooneoffourtypesofuseraccessibility:1.
ReadOnly2.
WriteOnly3.
Read/Writesameaddress4.
Read/WritedifferentaddressAWritetotheLM96063iscomprisedofanaddressbyteandacommandbyte.
Awritetoanyregisterrequiresonedatabyte.
ReadingtheLM96063Registerscantakeplaceaftertherequisiteregistersetupsequencetakesplace.
SeeLM96063REQUIREDINITIALFANCONTROLREGISTERSEQUENCE.
ThedatabytehastheMostSignificantBit(MSB)first.
Attheendofaread,theLM96063canaccepteitherAcknowledgeorNo-AcknowledgefromtheMaster.
NotethattheNo-AcknowledgeistypicallyusedasasignalfortheslaveindicatingthattheMasterhasreaditslastbyte.
DIGITALFILTERInordertosuppresserroneousremotetemperaturereadingsduetonoiseaswellasincreasetheresolutionofthetemperature,theLM96063incorporatesadigitalfilterforremotetemperaturereadings.
ThefilterisaccessedintheRemoteDiodeTemperatureFilterandComparatorModeRegister.
Thefiltercanbesetaccordingtothefollowingtable.
RDTF[1:0]FilterSetting00NoFilter01Filter(equivalenttoLevel2filteroftheLM86/LM89)10Reserved11EnhancedFilter(Filterwithtransientnoiseclipping)Figure9describesthefilteroutputinresponsetoastepinputandanimpulseinput.
a)Seventeenandfiftydegreestepb)Impulseresponsewithinputc)Impulseresponsewithinputresponsetransientslessthan4°Ctransientsgreatthan4°CFigure9.
FilterImpulseandStepResponseCurvesCopyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback15ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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FilterCurveswerePurposelyOffsetforClarityFigure10showsthefilterinuseinatypicalIntelprocessorona65/90nmprocesssystem.
Notethatthetwocurveshavebeenpurposelyoffsetforclarity.
Insertingthefilterdoesnotinduceanoffsetasshown.
FAULTQUEUETheLM96063incorporatesaFaultQueuetosuppresserroneousALERTtriggering.
TheFaultQueuepreventsfalsetriggeringbyrequiringthreeconsecutiveout-of-limitHIGHorLOWtemperaturereadings.
SeeFigure11.
TheFaultQueuedefaultstoOFFuponpower-upandmaybeactivatedbysettingtheRDTSFaultQueuebitintheConfigurationRegistertoa1.
Figure11.
FaultQueueTemperatureResponseDiagramONE-SHOTREGISTERTheOne-ShotRegisterisusedtoinitiateasingleconversionandcomparisoncyclewhenthedeviceisinstandbymode,afterwhichthedatareturnstostandby.
Thisisnotadataregister.
Awriteoperationcausestheone-shotconversion.
Thedatawrittentothisaddressisirrelevantandisnotstored.
Azerowillalwaysbereadfromthisregister.
SERIALINTERFACERESETIntheeventthattheSMBusMasterisresetwhiletheLM96063istransmittingontheSMBDATline,theLM96063mustbereturnedtoaknownstateinthecommunicationprotocol.
Thismaybedoneinoneoftwoways:1.
WhenSMBDATisLow,theLM96063SMBusstatemachineresetstotheSMBusidlestateifeitherSMBDATorSMBCLKareheldLowformorethan35ms(tTIMEOUT).
DevicesaretotimeoutwheneithertheSMBCLKor16SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013SMBDATlinesareheldLowfor25ms–35ms.
Therefore,toinsureatimeoutofdevicesonthebus,eithertheSMBCLKortheSMBDATlinemustbeheldLowforatleast35ms.
2.
WithbothSMBDATandSMBCLKHigh,themastercaninitiateanSMBusstartconditionwithaHightoLowtransitionontheSMBDATline.
TheLM96063willrespondproperlytoanSMBusstartconditionatanypointduringthecommunication.
AfterthestarttheLM96063willexpectanSMBusAddressaddressbyte.
LM96063RegistersThefollowingpagesinclude:LM96063REGISTERMAPINHEXADECIMALORDER,whichshowsasummaryofallregistersandtheirbitassignments,LM96063REGISTERMAPINFUNCTIONALORDER,andLM96063REQUIREDINITIALFANCONTROLREGISTERSEQUENCE.
Donotaddresstheunusedormanufacturer'stestregisters.
LM96063REGISTERMAPINHEXADECIMALORDERThefollowingisaRegisterMapgroupedinhexadecimaladdressorder.
SomeaddresslocationshavebeenleftblanktomaintaincompatibilitywithLM86,LM63andLM64.
Addressesinparenthesisaremirrorsof"SameAs"addressforbackwardscompatibilitywithsomeoldersoftware.
Readingorwritingeitheraddresswillaccessthesame8-bitregister.
DATABITSRegisterR/PORRegisterName0x[HEX]WValD7D6D5D4D3D2D1D000R–LocalTemperatureLT7LT6LT5LT4LT3LT2LT1LT0(SignedMSB)SIGN643216842101R–RmtTempMSBRT12RT11RT10RT9RT8RT7RT6RT5SIGN643216842102R–ALERTStatusBUSYLHIGH0RHIGHRLOWRDFARCRITTACH03R/00ConfigurationALTMSKSTBYPWMDIS00TCHENTCRITOVFLTQUEW04R/08ConversionRate0000CONV3CONV2CONV1CONV0W05R/46LocalHighSetpointLHS7LHS6LHS5LHS4LHS3LHS2LHS1LHS0WSIGN643216842106[Reserved]NotUsed07R/69RmtHighSetpointRHS10RHS9RHS8RHS7RHS6RHS5RHS4RHS3WMSBSIGN6432168421/12808R/00RmtLowSetpointRLS10RLS9RLS8RLS7RLS6RLS5RLS4RLS3WMSBSIGN6432168421(09)R/00Sameas03ALTMSKSTBYPWMDIS00TCHENTCRITOVFLTQUEW(0A)R/08Sameas040000CONV3CONV2CONV1CONV0W(0B)R/46Sameas05LHS7LHS6LHS5LHS4LHS3LHS2LHS1LHS0WSIGN64321684210CR00[Reserved]NotUsed(0D)R/69Sameas07RHS10RHS9RHS8RHS7RHS6RHS5RHS4RHS3WSIGN6432168421/128(0E)R/00Sameas08RLS10RLS9RLS8RLS7RLS6RLS5RLS4RLS3WSIGN64321684210FW–OneShotWriteOnly.
Writecommandtriggersonetemperatureconversioncycle.
10R–RmtTempLSBRT4RT3RT2RT1RT0000(DigFilterOnorReg1/161/3245hSTFBEbitset)RmtTempLSB00(DigFilterOff)11R/00RmtTempOffsetRTO10RTO9RTO8RTO7RTO7RTO5RTO4RTO3WMSBSIGN6432168421Copyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback17ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comDATABITSRegisterR/PORRegisterName0x[HEX]WValD7D6D5D4D3D2D1D012R/00RmtTempOffsetRTO2RTO1RTO000000WLSB13R/00RmtHighSetpointRHS2RHS1RHS000000WLSB14R/00RmtLowSetpointRLS2RLS1RLS000000WLSB15R00[Reserved]NotUsed16R/A4ALERTMask1LHAM1RHAMRLAM1RTAMTCHAMW17-18R00[Reserved]NotUsed19R/6ERmtT_CRITRCS7RCS6RCS5RCS4RCS3RCS2RCS1RCS0WSetpointSIGN6432168421/1281A–20R00[Reserved]NotUsed21R/0ARmtT_CRITRTH7RTH6RTH5RTH4RTH3RTH2RTH1RTH0WHysteresis0643216842122–2FR00[Reserved]NotUsed30R00[Reserved]0000000031R–RmtTempU-SMSBRTU12RTU11RTU10RTU9RTU8RTU7RTU6RTU5128643216842132R–RmtTempU-SLSBRTU4RTU3RTU2RTU1RTU0000DigFilterOn1/161/32RmtTempU-SLSB00DigFilterOff33R-PORStatusNR000000034–44R00[Reserved]NotUsed45R/00EnhancedConfig0STFBELRESPHRUSFRRS1RRS0PSRRW46R–TachCountLSBTAC5TAC4TAC3TAC2TAC1TAC0TEDGE1TEDGE047R–TachCountMSBTAC13TAC12TAC11TAC10TAC9TAC8TAC7TAC648R/FFTachLimitLSBTACL5TACL4TACL3TACL2TACL1TACL0NotUsedNotUsedW0-49R/FFTachLimitMSBTACL13TACL12TACL11TACL10TACL9TACL8TACL7TACL6W4AR/20PWMandRPM00PWPGMPWOPPWCKSL0TACH1TACH0WConfig4BR/3FFanSpin-UpConfig00SPINUPSPNDTYSPNDTYSPNTIM2SPNTIM1SPNTIM0W104CR/00PWMValueHPWVALHPWVALPWVAL5PWVAL4PWVAL3PWVAL2PWVAL1PWVAL0W764DR/17PWMFrequency000PWMF4PWMF3PWMF2PWMF1PWMF0W4ER/00LookupTableTemp00TO5TO4TO3TO2TO1TO0WOffset321684214FR/04LookupTable000LOOKH4LOOKH3LOOKH2LOOKH1LOOKH0WHysteresis16842150–67R/3F,7FLookupTableLookupTableofupto12PWM(3F)andTempPairsin8-bitRegisters(7F)W68–BER00[Reserved]NotUsedBFR/00RmtDiodeTemp00000RDTF1RDTF0ALT/CMPWFilterC0–FDR00[Reserved]NotUsedFER01Manufacturer'sID00000001FFR49Step/DieRev.
ID0100100118SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013LM96063REGISTERMAPINFUNCTIONALORDERThefollowingisaRegisterMapgroupedinFunctionalOrder.
SomeaddresslocationshavebeenleftblanktomaintaincompatibilitywithLM86.
Addressesinparenthesisaremirrorsofnamedaddress.
Readingorwritingeitheraddresswillaccessthesame8-bitregister.
TheFanControlandConfigurationRegistersarelistedfirst,asthereisarequiredordertosetuptheseregistersfirstandthensetuptheothers.
Thedetailedexplanationsofeachregisterwillfollowtheordershownbelow.
POR=Power-On-Reset.
RegisterPORDefaultRegisterNameRead/Write[HEX][HEX]FANCONTROLREGISTERS45EnhancedConfigurationR/W004APWMandRPMConfigurationR/W204BFanSpin-UpConfigurationR/W3F4DPWMFrequencyR/W17ReadOnly4CPWMValue00(R/WifOverrideBitisSet)4ELookupTableTemperatureOffsetR/W004FLookupTableHysteresisTemperatureR/W04SeeFanControl50–67LookupTableR/WRegistersCONFIGURATIONREGISTER03(09)ConfigurationR/W00TACHOMETERCOUNTANDLIMITREGISTERS46TachCountLSBReadOnlyN/A47TachCountMSBReadOnlyN/A48TachLimitLSBR/WFF49TachLimitMSBR/WFFLOCALTEMPERATUREANDLOCALSETPOINTREGISTERS00LocalTemperatureReadOnlyN/A05(0B)LocalHighSetpointR/W46(70°)REMOTEDIODETEMPERATUREANDSETPOINTREGISTERS01RemoteTemperatureSignedMSBReadOnlyN/A10RemoteTemperatureSignedLSBReadOnlyN/A31RemoteTemperatureUnsignedMSBReadOnlyN/A32RemoteTemperatureUnsignedLSBReadOnlyN/A11RemoteTemperatureOffsetMSBR/W0012RemoteTemperatureOffsetLSBR/W0007(0D)RemoteHighSetpointMSBR/W69(105°C)13RemoteHighSetpointLSBR/W0008(0E)RemoteLowSetpointMSBR/W00(0°C)14RemoteLowSetpointLSBR/W0019RemoteT_CRITSetpointR/W6E(110°C)21RemoteT_CRITHystR/W0A(10°C)BFRemoteDiodeTemperatureFilterandComparatorModeR/W00CONVERSIONANDONE-SHOTREGISTERS04(0A)ConversionRateR/W080FOne-ShotWriteOnlyN/ASTATUSANDMASKREGISTERS02ALERTStatusReadOnlyN/A16ALERTMaskR/WA433PowerOnResetStatusReadOnlyN/ACopyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback19ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comRegisterPORDefaultRegisterNameRead/Write[HEX][HEX]IDANDTESTREGISTERSFEManufacturerIDReadOnly01FFStepping/DieRev.
IDReadOnly49[RESERVED]REGISTERS—NOTUSED06NotUsedN/AN/A0CNotUsedN/AN/A15NotUsedN/AN/A17-18NotUsedN/AN/A1A–20NotUsedN/AN/A22–29NotUsedN/AN/A34–44NotUsedN/AN/A68–BENotUsedN/AN/AC0–FDNotUsedN/AN/ALM96063REQUIREDINITIALFANCONTROLREGISTERSEQUENCEImportant!
TheBIOSorfirmwaremustfollowthesequencebelowtoconfigurethefollowingFanRegistersfortheLM96063beforeusinganyoftheFanorTachometerorPWMregisters:Step[Register]HEXandSetupInstructions(1)1AfterpowerupchecktomakesurethattheNotReadybitisclearedinthePORStatusregister[33]bit7.
2[4A]Writebits0and1;3and4.
Thisincludestachsettingsifused,PWMinternalclockselect(1.
4kHzor360kHz)andPWMOutputPolarity.
3[4B]Writebits0through5toprogramthespin-upsettings.
4[4D]Writebits0through4tosetthefrequencysettings.
ThisworkswiththePWMinternalclockselect.
If22.
5kHzisselectedthenenhancedfancontrolfunctionssuchasLookupTabletransitionsmoothingwithextendedPWMdutycycleresolutionisavailableandshouldbesetup[45].
5Choose,thenwrite,onlyoneofthefollowing:A.
[4F–67]theLookupTableand[4E]theLookupTableOffset,[45]LookupTableTemperatureResolutioncanalsobemodifiedorB.
[4C]thePWMvaluebits0through5orbits0through7ifextendeddutycycleresolutionisselected.
6IfStep4A,LookupTable,waschosenandwrittenthenwrite[4A]bit5PWPGM=0.
PWPGMshouldbesetto1toenablewritingtothefancontrolregisterslistedinthistable.
(1)Allotherregisterscanbewrittenatanytimeaftertheabovesequence.
LM96063DETAILEDREGISTERDESCRIPTIONSINFUNCTIONALORDERThefollowingisaRegisterMapgroupedinfunctionalandsequenceorder.
NewregisteraddresseshavebeenaddedtomaintaincompatibilitywiththeLM63andLM64registersets.
Addressesinparenthesisaremirrorsofnamedaddressforbackwardscompatibilitywithsomeoldersoftware.
Readingorwritingeitheraddresswillaccessthesame8-bitregister.
20SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013FanControlRegistersAddressRead/PORBitsNameDescriptionHexWriteValue45HEXENHANCEDCONFIGURATIONR70[Reserved]Thisbitisunusedandalwaysreadas0.
SignedTemperatureFilterBitsEnable0:externalsignedtemperatureLSbs[4:3]willalwaysread"0"(backwardsR/W60STFBEcompatiblewiththeLM63)1:whenthedigitalfilterisenabledtheexternalsignedtemperatureLSbs[4:3](1/16and1/32resolution)areenabledLookupTableResolutionExtension0:LUTtemperatureresolution7-bits(LSb=1°C,backwardscompatiblewiththeR/W50LRESLM63)1:enable8-bitLUTtemperatureresolution(LSbextendedto0.
5°C)22.
5kHzPWMHighResolutionControl(onlyeffectivewhenPWMfrequencysetto22.
5kHz)R/W40PHR0:PWMresolution6.
25%(backwardscompatiblewiththeLM63)1:enablehighresolution(0.
39%)UnsignedHighandT_CRITSetpointFormat0:enablesignedformatforHighandT_CRITsetpoints(11-bitis-128.
000°CtoR/W30USF127.
875°Cor8-bitis-128°Cto127°C)1:enableunsignedformatforHighandT_CRITsetpoints(11-bitis0°Cto255.
875°Cor8-bitis0°Cto255°C)45PWMSmoothingRampRateSetting(thesebitscanmodifiedonlywhenPWMProgrammingisenabled,0x4A[5]=1)00:0.
023sperstep(5.
45secondsfor0to100%dutycycletransitionwith0.
39%resolution)01:0.
046sperstep(10.
9secondsfor0to100%dutycycletransitionwith0.
39%resolution)R/W2:100RRS1:RRS010:0.
91sperstep(21.
6secondsfor0to100%dutycycletransitionwith0.
39%resolution)11:0.
182sperstep(43.
7secondsfor0to100%dutycycletransitionwith0.
39%resolution)Note:PWMsmoothingisdisabledforPWMspinupandfordutycyclesettingoverridecausedbyaTCRITevent,thusitisonlyenabledduringLUTtransitions.
PWMsmoothingisonlyeffectivewhenPWMfrequencyissetto22.
5kHz.
PWMSmoothingRampRateControl(thisbitcanmodifiedonlywhenthePWMProgrammingisenabled,0x4A[5]=1)0:PWMsmoothingdisabled(LM63backwardscompatible)R/W00PSRR1:enablerampratecontrol(ascontrolledby0x45[2:1])Note:PWMsmoothingisdisabledforPWMspinupandfordutycyclesettingoverridecausedbyaTCRITevent,thusitisonlyenabledduringLUTtransitions.
PWMsmoothingisonlyeffectivewhenPWMfrequencyissetto22.
5kHz4AHEXFANPWMANDTACHOMETERCONFIGURATIONREGISTERCopyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback21ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comAddressRead/PORBitsNameDescriptionHexWriteValueR7:600[Reserved]Thesebitsareunusedandalwaysreadas0.
PWMProgrammingenable0:thePWMValue(register0x4C),thePWMSmoothing(0x45[2:0])andtheLookupTable(Registers0x50–0x67)areread-only.
ThePWMvalue(0to100%)isdeterminedbythecurrentremotediodetemperatureandtheLookupTable,and51PWPGMcanbereadfromthePWMvalueregister.
1:thePWMvalue(register0x4C),thePWMSmoothing(0x45[2:0])andtheLookupTable(Registers0x50–0x67)areread/writeenabled.
WritingthePWMValueregisterwillsetthePWMoutput.
ThisisalsothestateduringwhichtheLookupTablecanbewritten.
PWMOutputPolarity40PWOP0:thePWMoutputpinwillbe0VforfanOFFandopenforfanON.
1:thePWMoutputpinwillbeopenforfanOFFand0VforfanON.
PWMMasterClockSelect30PWCLSL0:themasterPWMclockis360kHz1:themasterPWMclockis1.
4kHz.
4A20[Reserved]Alwayswrite0tothisbit.
R/WTachometerMode00:Traditionaltachinputmonitor,falsereadingswhenunderminimumdetectableRPM.
(Smart-TACHmodedisabled)01:Traditionaltachinputmonitor,FFFFhreadingwhenunderminimumdetectableRPM.
Smart-TACHmodeenabled,PWMdutycyclenotaffected.
UsewithdirectPWMdriveoffanpower.
TACHreadingscancauseanerroreventifTACHsetpointregisterissettolessthanFFFFheventhoughfanmaybespinningproperly.
1:000TACH1:TACH010:Mostaccuratereadings,FFFFhreadingwhenunderminimumdetectableRPM.
Smart-TACHmodeenabled,PWMdutycyclemodified.
UsewithdirectPWMdriveoffanpower.
ThismodeextendstheTACHmonitoringlowRPMsensitivity.
11:LeasteffortonprogrammedPWMoffan,FFFFreadingwhenunderminimumdetectableRPM.
Smart-TACHmodeenabled.
UsewithdirectPWMdriveoffanpower.
ThismodeextendstheTACHmonitoringlowRPMsensitivitythemost.
Note:IfthePWMMasterClockis360kHz,mode00isusedregardlessofthesettingofthesetwobits.
4BHEXFANSPIN-UPCONFIGURATIONREGISTERR7:60[Reserved]Thesebitsareunusedandalwaysreadas0FastTachometerSpin-upIf0,thefanspin-upusesthedutycycleandspin-uptime,bits0–4.
If1,theLM96063setsthePWMoutputto100%untilthespin-uptimesout(perbits0–2)ortheminimumdesiredRPMhasbeenreached(pertheTachometer51SPINUPSetpointsetting)usingthetachometerinput,whicheverhappensfirst.
ThisbitoverridesthePWMSpin-UpDutyCycleregister(bits4:3)—PWMoutputisalways100%.
Registerx03,bit2=1forTachometermode.
IfPWMSpin-UpTime(bits2:0)=000,theSpin-Upcycleisbypassed,regardlessofthestateofthisbit.
PWMSpin-UpDutyCycle00:Spin-Upcyclebypassed(noSpin-Up),unlessFastTachometerTerminated4BSPNDTY1:SPNDTSpin-Up(bit5)isset.
R/W4:311Y001:50%10:75%–81%DependsonPWMFrequency.
SeeApplicationNotes.
11:100%PWMSpin-UpTimeInterval000:Spin-Upcyclebypassed(NoSpin-Up)001:0.
05seconds010:0.
1sSPNTIM2:SPNTIM2:0111011:0.
2s0100:0.
4s101:0.
8s110:1.
6s111:3.
2s22SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013AddressRead/PORBitsNameDescriptionHexWriteValue4CHEXPWMVALUEREGISTERHPWVAL7:HPWVPWMHighResolutionandLowResolutionValues7:600AL6IfPWMProgram(register4A,bit5)=0thisregisterisreadonly,thisregisterReadreflectstheLM96063'scurrentPWMvaluefromtheLookupTable.
(WriteIfPWMProgram(register4A,bit5)=1,thisregisterisread/writeandthedesiredonlyif4CPWMvalueiswrittendirectlytothisregister,insteadoffromtheLookupTable,forreg4Adirectfanspeedcontrol.
5:00x00PWVAL5:PWVAL0bit5=Thisregisterwillread0duringtheSpin-Upcycle.
1.
)SeeApplicationNotesattheendofthisdatasheetformoreinformationregardingthePWMValueandDutyCyclein%.
4DHEXFANPWMFREQUENCYREGISTERR7:5000[Reserved]Thesebitsareunusedandalwaysreadas0PWMOutputFrequencyThePWMFrequency=PWM_Clock/2n,wherePWMMasterClock=360kHzor4DR/W4:00x17PWMF4:PWMF01.
4kHz(perthePWMMasterClockSelectbitinRegister4A),andn=valueoftheregister.
Note:n=0ismappedton=1.
SeetheApplicationNoteattheendofthisdatasheet.
4EHEXLOOKUPTABLETEMPERATUREOFFSETR7:600[Reserved]Thesebitsareunusedandalwaysreadas0.
Thetemperatureoffsetappliedtothetemperaturevaluesofthelookuptable.
This4Eoffsetallowsthelookuptabletemperaturesettingstobeextendedabove127°C.
R/W5:00x00TO5:TO0Thevalue,whichisalwayspositive,hasanunsignedformatwith1°Cresolution.
Themaximumoffsetthatcanbeprogrammedis+63°C.
4FHEXLOOKUPTABLEHYSTERESISR7:5000[Reserved]Thesebitsareunusedandalwaysreadas0LookupTableHysteresis4FR/W4:00x04LOOKH4:LOOKH0TheamountofhysteresisappliedtotheLookupTable.
(1LSb=1°C,maxvalue31°C,defaultvalue10°C).
50HEXto67HEXLOOKUPTABLE(7/8BitsforTemperatureand6/8BitsforPWMforeachTemperature/PWMPair)70E1T7LookupTableTemperatureEntry1Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature50exceedsthisvalue,thePWMoutputwillbethevalueinRegister0x51.
Only9-bits6:00x7FE1T6:E1T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry11)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E1D7:E1D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x50.
ThesebitscanonlybeactivatedwhenPWM51frequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry15:00x3FE1D5:E1D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x50forthelowresolutionPWMmode.
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comAddressRead/PORBitsNameDescriptionHexWriteValue70E2T7LookupTableTemperatureEntry2Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature52exceedsthisvalue,thePWMoutputwillbethevalueinRegister0x53.
Only9-bits6:00x7FE2T6:E2T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry21)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E2D7:E2D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x52.
ThesebitscanonlybeactivatedwhenPWM53frequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry25:00x3FE2D5:E2D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x52forthelowresolutionPWMmode.
70E3T7LookupTableTemperatureEntry3Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature54exceedsthisvalue,thePWMoutputwillbethevalueinRegister0x55.
Only9-bits6:00x7FE3T6:E3T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry31)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E3D7:E3D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x54.
ThesebitscanonlybeactivatedwhenPWM55frequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry35:00x3FE3D5:E3D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x54forthelowresolutionPWMmode.
70E4T7LookupTableTemperatureEntry4Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature56exceedsthisvalue,thePWMoutputwillbethevalueinRegister0x57.
Only9-bits6:00x7FE4T6:E4T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry41)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E4D7:E4D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x56.
ThesebitscanonlybeactivatedwhenPWM57frequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry45:00x3FE4D5:E4D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x56forthelowresolutionPWMmode.
24SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013AddressRead/PORBitsNameDescriptionHexWriteValue70E5T7LookupTableTemperatureEntry5Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature58exceedsthisvalue,thePWMoutputwillbethevalueinRegister0x59.
Only9-bits6:00x7FE5T6:E5T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry51)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E5D7:E5D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x58.
ThesebitscanonlybeactivatedwhenPWM59frequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry55:00x3FE5D5:E5D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x58forthelowresolutionPWMmode.
70E6T7LookupTableTemperatureEntry6Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature5Aexceedsthisvalue,thePWMoutputwillbethevalueinRegister0x5B.
Only9-bits6:00x7FE6T6:E6T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry61)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E6D7:E6D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x5A.
ThesebitscanonlybeactivatedwhenPWM5Bfrequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry65:00x3FE6D5:E6D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x5AforthelowresolutionPWMmode.
70E7T7LookupTableTemperatureEntry7Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature5Cexceedsthisvalue,thePWMoutputwillbethevalueinRegister0x5D.
Only9-bits6:00x7FE7T6:E7T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry71)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E7D7:E7D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x5C.
ThesebitscanonlybeactivatedwhenPWM5Dfrequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry75:00x3FE7D5:E7D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x5CforthelowresolutionPWMmode.
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comAddressRead/PORBitsNameDescriptionHexWriteValue70E8T7LookupTableTemperatureEntry8Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature5Eexceedsthisvalue,thePWMoutputwillbethevalueinRegister0x5F.
Only9-bits6:00x7FE8T6:E8T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry81)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E8D7:E8D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x5E.
ThesebitscanonlybeactivatedwhenPWM5Ffrequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry85:00x3FE8D5:E8D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x5EforthelowresolutionPWMmode.
70E9T7LookupTableTemperatureEntry9Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature60exceedsthisvalue,thePWMoutputwillbethevalueinRegister0x61.
Only9-bits6:00x7FE9T6:E9T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry91)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E9D7:E9D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x60.
ThesebitscanonlybeactivatedwhenPWM61frequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry95:00x3FE9D5:E9D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x60forthelowresolutionPWMmode.
70E10T7LookupTableTemperatureEntry10Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature62exceedsthisvalue,thePWMoutputwillbethevalueinRegister0x63.
Only9-bits6:00x7FE10T6:E10T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry101)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E10D7:E10D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x62.
ThesebitscanonlybeactivatedwhenPWM63frequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry105:00x3FE10D5:E10D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x62forthelowresolutionPWMmode.
26SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013AddressRead/PORBitsNameDescriptionHexWriteValue70E11T7LookupTableTemperatureEntry11Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature64exceedsthisvalue,thePWMoutputwillbethevalueinRegister0x65.
Only9-bits6:00x7FE11T6:E11T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry111)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E11D7:E11D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x64.
ThesebitscanonlybeactivatedwhenPWM65frequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry115:00x3FE11D5:E11D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x64forthelowresolutionPWMmode.
70E12T7LookupTableTemperatureEntry12Bit7isunusedandalwayssetto0inthelowresolutiontemperatureLUTmode.
InthehighresolutiontemperatureLUTmodebit7inconjunctionwithbits6:0ofthisregisterareusedtodeterminethelimittemperaturethattheremotediodetemperatureiscomparedto.
Inhighresolutiontherangeis0°Cto127.
5°C.
Inlowresolutionmodetherangeis0°Cto127°C.
Iftheremotediodetemperature66exceedsthisvalue,thePWMoutputwillbethevalueinRegister0x67.
Only9-bits6:00x7FE12T6:E12T0ofthetemperaturereadingareusedinhighresolutionand8-bitsinlowresolution.
Read.
Onlypositivetemperaturevaluescanbeprogramedinthisregisterandinallcases(Writethesignbitisassumedtobezero.
Temperaturesgreaterthan127°Cor127.
5°ConlyifcanbeprogrammedthroughtheuseoftheLookupTableTemperatureOffsetreg4ARegister(4Eh).
bit5=LookupTablePWMDutyCycleExtendedEntry121)Thesebitsareunusedandalwayssetto0inthelowresolutiondutycycleLUTmode.
InthehighresolutiondutycycleLUTmodethesebitsinassociationwith7:600E12D7:E12D6bits5:0ofthisregisterareusedforthePWMvalueassociatedwiththetemperaturelimitinregister0x66.
ThesebitscanonlybeactivatedwhenPWM67frequencyof22.
5kHzischosen.
LookupTablePWMDutyCycleEntry125:00x3FE12D5:E12D0ThePWMvaluecorrespondingtothetemperaturelimitinregister0x66forthelowresolutionPWMmode.
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comConfigurationRegisterAddressRead/PORBitsNameDescriptionHexWriteValue03(09)HEXCONFIGURATIONREGISTERALERTMask0:ALERTinterruptsareenabled.
70ALTMSK1:ALERTinterruptsaremasked,andtheALERTpinisalwaysinahighimpedance(open)state.
Standby0:theLM96063isinoperationalmode,converting,comparing,andupdatingthePWMoutputcontinuously.
1:theLM96063entersalowpowerstandbymode.
60STBYR/WInstandby,continuousconversionsarestopped,butaconversion/comparisoncyclemaybeinitiatedbywritinganyvaluetoregister0x0FtheOne-shotRegister.
OperationofthePWMoutputinstandbydependsonthesettingofbit5inthisregister.
PWMDisableinStandby0:theLM96063'sPWMoutputcontinuestooutputthecurrentfancontrolsignal50PWMDISwhileinSTANDBY.
03(09)1:thePWMoutputisdisabled(asdefinedbythePWMpolaritybit)whileinSTANDBY.
R4:300[Reserved]Thisbitisunusedandalwaysreadas0.
TACHEnable20TCHEN0:disablestheTACHinput1:enablestheTACHinputT_CRITLimitOverride10TCRITOV0:lockstheT_CRITlimitfortheremotediode,PORsettingisnominally110°C1:unlockstheT_CRITlimitandallowsittobereprogrammedmultipletimesR/WRDTSFaultQueue0:anALERTwillbegeneratedifanyRemoteDiodeconversionresultisabovetheRemoteHighSetPointorbelowtheRemoteLowSetpoint.
00FLTQUE1:anALERTwillbegeneratedonlyifthreeconsecutiveRemoteDiodeconversionsareabovetheRemoteHighSetPointorbelowtheRemoteLowSetpoint.
TachometerCountandLimitRegistersAddressRead/PORBitsNameDescriptionHexWriteValue47HEXTACHOMETERCOUNT(MSB)and46HEXTACHOMETERCOUNT(LSB)REGISTERS(16bits:ReadLSBfirsttolockMSBandensureMSBandLSBarefromthesamereading)47R7:0N/ATAC13:TAC6TachometerCount(MSBandLSB)Theseregisterscontainthecurrent16-bitTachometerCount,representingtheperiodoftimebetweentachpulses.
R7:2N/ATAC5:TAC0Notethatthe16-bittachometerMSBandLSBregisteraddressesareinreverseorderfromthe16bittemperaturereadings.
TachometerEdgeProgrammingBitsEdgesUsedTach_Count_Multiple4600:Reserved-donotuse01:24R1:000TEDGE1:TEDGE010:3211:51Note:IfPWM_Clock_Select=360kHz,thenTach_Count_Multiple=1regardlessofthesettingofthesebits.
49HEXTACHOMETERLIMIT(MSB)and48HEXTACHOMETERLIMIT(LSB)REGISTERS28SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013AddressRead/PORBitsNameDescriptionHexWriteValue49R/W7:00xFFTACL13:TACL6TachometerLimit(MSBandLSB)Theseregisterscontainthecurrent14-bitTachometerCount,representingtheperiodoftimebetweentachpulses.
FanRPM=(f*5,400,000)/(TachometerCount),wheref=1for2pulses/revfan;f=2for1pulse/revfan;andf=2/3for3R/W7:2TACHL5:TACL0pulses/revfan.
SeeApplicationNotesformoretachometerinformation.
Notethat480xFFthe16-bittachometerMSBandLSBregisteraddressesareinreverseorderfromthe16bittemperaturereadings.
R/W1:0[Reserved]Thesebitsarenotusedandwrite0or1.
LocalTemperatureandLocalHighSetpointRegistersAddressRead/PORBitsNameDescriptionHexWriteValue00HEXLOCALTEMPERATUREREGISTER(8-bits)LocalTemperatureReading(8-bit)8-bitintegerrepresentingthetemperatureoftheLM96063die.
LT7istheSIGNbitLT6hasabitweightof64°CLT5hasabitweightof32°C00R7:0N/ALT7:LT0LT4hasabitweightof16°CLT3hasabitweightof8°CLT2hasabitweightof4°CLT1hasabitweightof2°CLT0hasabitweightof1°C05(0B)HEXLOCALHIGHSETPOINTREGISTER(8-bits)LocalHIGHSetpointHighSetpointfortheinternaldiode.
LHS7istheSIGNbitLHS6hasabitweightof64°C0x46LHS5hasabitweightof32°C05R/W7:0LHS7:LHS0(70°)LHS4hasabitweightof16°CLHS3hasabitweightof8°CLHS2hasabitweightof4°CLHS1hasabitweightof2°CLHS0hasabitweightof1°CRemoteDiodeTemperature,OffsetandSetpointRegistersAddressRead/PORBitsNameDescriptionHexWriteValue01HEXAND10HEXSIGNEDREMOTEDIODETEMPERATUREREGISTERSMostSignificantByteoftheSignedRemoteDiodeTemperatureReadingThemostsignificant8-bitsofthe2'scomplementvalue,representingthe01R7:0N/ART12:RT5temperatureoftheremotediodeconnectedtotheLM96063.
Bit7isthesignbit,bit6hasaweightof64°C,andbit0hasaweightof1°C.
ThisbytetobereadbeforetheLSB.
LeastSignificantByteoftheSignedRemoteDiodeTemperatureReadingThisistheLSBofthe2'scomplementvalue,representingthetemperatureoftheremotediodeconnectedtotheLM96063.
RT4hasaweight0.
5°C,RT3hasaweightof0.
25°C,andRT2hasaweightof0.
125°C.
Ifthedigitalfilteristurnedoff7:3N/ART4:RT0RT1:RT0haveavalueof00unlessextendedresolution(Reg45hSTFBEbitset)10Risenabled.
Ifextendedresolutionischosen,forreadingsgreaterthan127.
875RT1:RT0=11andforothercasesRT1:RT0=00.
Whenthedigitalfilteristurnedonandextendedresolutionenabled:RT1hasaweightof0.
0625andRT0hasaweightof0.
03125°C2:000[Reserved]Thesebitsareunusedandalwaysreadas0.
31HEXAND32HEXUNSIGNEDREMOTEDIODETEMPERATUREREGISTERSCopyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback29ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comAddressRead/PORBitsNameDescriptionHexWriteValueMostSignificantByteoftheUnsignedFormatRemoteDiodeTemperatureReadingThemostsignificant8-bitsoftheunsignedformatvalue,representingthe31R7:0N/ARTU12:RTU5temperatureoftheremotediodeconnectedtotheLM96063.
Bit7hasaweightof128°C,bit6hasaweightof64°C,andbit0hasaweightof1°C.
ThisbytetobereadbeforetheLSB.
LeastSignificantByteoftheUnsignedFormatRemoteDiodeTemperatureReadingThisistheLSBoftheunsignedvalue,representingthetemperatureoftheremote7:3N/ARUT4:RUT0diodeconnectedtotheLM96063.
Bit4hasaweight0.
5°C,bit3hasaweightof32R0.
25°C,andbit2hasaweightof0.
125°C.
ifthedigitalfilteristurnedoffRUT1:RUT0haveavalueof00.
Whenthedigitalfilteristurnedon:bit1hasaweightof0.
0625andbit0hasaweightof0.
03125°C2:000[Reserved]Thesebitsareunusedandalwaysreadas0.
11HEXAND12HEXREMOTETEMPERATUREOFFSETREGISTERS11R/W7:00x00RTO10:RTO3RemoteTemperatureOffset(MSBandLSB)Theseregisterscontainthevalueaddedtoorsubtractedfromtheremotediode'sreadingtocompensateforthedifferentnon-idealityfactorsofdifferentprocessors,diodes,etc.
The2'scomplementvalue,intheseregistersisaddedtoR/W7:5000RTO2:RTO1theoutputoftheLM96063'sADCtoformthetemperaturereadingcontainedin12registers01and10.
TheseregistershavethesameformatastheMSBandLSBRemoteDiodeTemperatureReadingregisterswiththedigitalfilteroff.
R4:0000[Reserved]Thesebitsarenotusedandalwaysreadas0.
07(0D)HEXAND13HEXREMOTEHIGHSETPOINTREGISTERS0x69RemoteHIGHSetpoint(MSBandLSB)07(0D)R/W7:0(105°RHS10:RHS3Highsetpointtemperatureforremotediode.
SameformatasUnsignedRemoteC)TemperatureReading(registers31and32)orSignedRemoteTemperatureReading(registers01and10)withthedigitalfilteroff.
IsitprogrammablebytheR/W7:5000RHS2:RHS0USFbitfoundintheEnhancedconfigurationRegister.
13R4:00x00[Reserved]Thesebitsarenotusedandalwaysreadas0.
08(0E)HEXAND14HEXREMOTELOWSETPOINTREGISTERS00RemoteLOWSetpoint(MSBandLSB)08(0E)R/W7:0RTS10:RTS3(0°C)Lowsetpointtemperatureforremotediode.
SameformatasSignedRemoteTemperatureReading(registers01and10)withthedigitalfilteroff.
R/W7:5000RTS2:RTS014R4:00x00[Reserved]Thesebitsarenotusedandalwaysreadas0.
19HEXREMOTEDIODET_CRITSETPOINTREGISTERRemoteDiodeT_CRITSetpointLimitThis8-bitintegerstorestheT_CRITlimitandisnominally110°C.
ThevalueofthisregistercanbelockedbysettingT_CRITLimitOverride(bit1)intheConfigurationregistertoa0,thenprogramminganewT_CRITvalueintothisregister.
Theformatofthisregisterisprogrammable.
WhentheUSFbitintheEnhancedConfigurationregisteriscleared:0x6ELCS7istheSIGNbit19R/W7:0(110°RCS7:RCS0LCS6hasabitweightof64°CC)LCS5hasabitweightof32°CLCS4hasabitweightof16°CLCS3hasabitweightof8°CLCS2hasabitweightof4°CLCS1hasabitweightof2°CLCS0hasabitweightof1°C21HEXT_CRITHYSTERESISREGISTER7RTH7Thisbitisunused.
OKtowrite1or0.
RemoteDiodeT_CRITHysteresisT_CRITstaysactivateduntiltheremotediodetemperaturegoesbelow[(T_CRITLimit)—(T_CRITHysteresis)].
RTH6hasabitweightof64°C0x0A21R/WRTH5hasabitweightof32°C(10°C)6:0RTH6:RTH0RTH4hasabitweightof16°CRTH3hasabitweightof8°CRTH2hasabitweightof4°CRTH1hasabitweightof2°CRTH0hasabitweightof1°C30SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013AddressRead/PORBitsNameDescriptionHexWriteValueBFHEXREMOTEDIODETEMPERATUREFILTERANDCOMPARATORMODER/W7:600[Reserved]Thesebitsareunusedandalwayswrite0.
R5:3000[Reserved]Thesebitsareunusedandalwaysreadas0.
RemoteDiodeTemperatureFilterControl00:FilterDisabled01:FilterLevel2(minimalfiltering,sameas10;LikeLM63,LM63Level1not2:100RDTF1:RDTF0supported)BF10:FilterLevel2(minimalfiltering,sameas01;likeLM63,LM63Level1notsupported)R/W11:FilterEnhancedLevel2(maximumfiltering)ComparatorMode0:theALERTpinfunctionsnormally.
00ALT/CMP1:theALERTpinbehavesasacomparator,assertingitselfwhenanALERTconditionexists,de-assertingitselfwhentheALERTconditiongoesaway.
ALERTStatusandMaskRegistersAddressRead/PORBitsNameDescriptionHexWriteValue02HEXALERTSTATUSREGISTER(8-bits)(AllAlarmsarelatcheduntilread,thenclearedifalarmconditionwasremovedatthetimeoftheread.
)Busy70BUSY0:theADCisnotconverting.
1:theADCisperformingaconversion.
ThisbitdoesnotaffectALERTstatus.
LocalHighAlarm0:theinternaltemperatureoftheLM96063isatorbelowtheLocalHighSetpoint.
60LHIGH1:theinternaltemperatureoftheLM96063isabovetheLocalHighSetpoint,andanALERTistriggered.
50[Reserved]Thisbitisunusedandalwaysreadas0.
RemoteHighAlarm0:thetemperatureoftheRemoteDiodeisatorbelowtheRemoteHighSetpoint.
40RHIGH1:thetemperatureoftheRemoteDiodeisabovetheRemoteHighSetpoint,andanALERTistriggered.
RemoteLowAlarm0:thetemperatureoftheRemoteDiodeisatorabovetheRemoteLowSetpoint.
30RLOW1:thetemperatureoftheRemoteDiodeisbelowtheRemoteLowSetpoint,andanALERTistriggered.
0x02RRemoteDiodeFaultAlarm0:theRemoteDiodeappearstobecorrectlyconnected.
20RDFA1:theRemoteDiodemaybedisconnectedorshortedtoground.
ThisAlarmdoesnottriggeranALERToraTCRIT.
RemoteT_CRITAlarmWhenthisbitisa0,thetemperatureoftheRemoteDiodeisatorbelowthe10RCRITT_CRITLimit.
Whenthisbitisa1,thetemperatureoftheRemoteDiodeisabovetheT_CRITLimit,ALERTandTCRITaretriggered.
TachAlarmWhenthisbitisa0,theTachometercountislowerthanorequaltotheTachometerLimit(theRPMofthefanisgreaterthanorequaltotheminimum00TACHdesiredRPM).
Whenthisbitisa1,theTachometercountishigherthantheTachometerLimit(theRPMofthefanislessthantheminimumdesiredRPM),andanALERTistriggered.
16HEXALERTMASKREGISTER(8-bits)Copyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback31ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comAddressRead/PORBitsNameDescriptionHexWriteValueR71[Reserved]Thisbitisunusedandalwaysreadas1.
LocalHighAlarmMaskR/W60LHAM0:aLocalHighAlarmeventwillgenerateanALERT.
1:aLocalHighAlarmwillnotgenerateanALERTR51[Reserved]Thisbitisunusedandalwaysreadas1.
RemoteHighAlarmMask40RHAM0:RemoteHighAlarmeventwillgenerateanALERT.
1:aRemoteHighAlarmeventwillnotgenerateanALERT.
R/WRemoteLowAlarmMask1630RLAM0:aRemoteLowAlarmeventwillgenerateanALERT.
1:aRemoteLowAlarmeventwillnotgenerateanALERT.
R21[Reserved]Thisbitisunusedandalwaysreadas1.
RemoteT_CRITAlarmMask10RTAM0:aRemoteT_CRITeventwillgenerateanALERT.
1:aRemoteT_CRITeventwillnotgenerateanALERT.
R/WTACHAlarmMask00TCHAMWhenthisbitisa0,aTachAlarmeventwillgenerateanALERT.
Whenthisbitisa1,aTachAlarmeventwillnotgenerateanALERT.
33HEXPOWERONRESETSTATUSREGISTERPowerOnResetStatus7NR0:PowerOnResetcycleoverpartready33R—1:PowerOnResetcycleinprogresspartnotready6:0[Reserved]Thesebitsareunusedandwillalwaysreport0.
ConversionRateandOne-ShotRegistersAddressRead/PORBitsNameDescriptionHexWriteValue04(0A)HEXCONVERSIONRATEREGISTER(8-bits)R7:4[Reserved]Thesebitsareunusedandwillalwaysbesetto0.
ConversionRateSetstheconversionrateoftheLM96063.
0000=0.
05Hz0001=0.
1Hz0010=0.
204Hz0011=0.
406Hz04(0A)0x08R/W3:0CONV3:CONV00100=0.
813Hz0101=1.
625Hz0110=3.
25Hz0111=6.
5Hz1000=13Hz1001=26HzAllothervalues=26Hz0FHEXONE-SHOTREGISTER(8-bits)OneShotTriggerWrite0F7:0N/AWiththeLM96063intheSTANDBYmodeasinglewritetothisregisterwillOnlyinitiateonecompletetemperatureconversioncycle.
Anyvaluemaybewritten.
IDRegistersAddressRead/PORBitsNameDescriptionHexWriteValueFEHEXMANUFACTURER'SIDREGISTER(8-bits)FER7:00x01Manufacturer'sID0x01=TexasInstrumentsFFHEXSTEPPING/DIEREVISIONIDREGISTER(8-bits)Stepping/DieFFR7:00x49VersionofLM96063RevisionID32SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013ApplicationNotesFANCONTROLDUTYCYCLEVS.
REGISTERSETTINGSANDFREQUENCYThefollowingtableistrueonlywhenthe22.
5kHzPWMfrequencyhighresolutiondutycycleisnotselected.
PWMPWMActualDutyPWMPWMPWMPWMStepFreqatFreqatCycle,%FreqValueValueValueResolution,360kHz1.
4kHzWhen4D4C[5:0]4C[5:0]for4C[5:0]%InternalInternal75%is[4:0]for100%about75%for50%Clock,kHzClock,HzSelected0Address0ismappedtoAddress1150211180.
0703.
150.
022543290.
00351.
675.
0316.
765360.
00234.
483.
3412.
586445.
00175.
875.
0510.
0108536.
00140.
680.
068.
33129630.
00117.
275.
077.
141411725.
71100.
478.
686.
251612822.
5087.
975.
095.
561814920.
0078.
177.
8105.
0020151018.
0070.
375.
0114.
5422171116.
3663.
977.
27124.
1624181215.
0058.
675.
00133.
8526201313.
8554.
176.
92143.
5728211412.
8650.
275.
00153.
3330231512.
0046.
976.
67163.
1332241611.
2543.
975.
00172.
9434261710.
5941.
476.
47182.
7836271810.
0039.
175.
00192.
633829199.
4737.
076.
32202.
504030209.
0035.
275.
00212.
384232218.
5733.
576.
19222.
274433228.
1832.
075.
00232.
174635237.
8230.
676.
09242.
084836247.
5029.
375.
00252.
005038257.
2028.
176.
00261.
925239266.
9227.
075.
00271.
855441276.
6726.
075.
93281.
795642286.
4225.
175.
00291.
725844296.
2124.
275.
86301.
676045306.
0023.
475.
00311.
616247315.
8122.
775.
81Thefollowingtableistrueonlywhenthe22.
5kHzPWMfrequencywithhighresolutiondutycycleisselectedbysettingbit4(PHR)oftheEnhancedConfigurationregister(0x45),clearingbit3(PWCKSL)ofthePWMandRPMConfigurationregister(0x4A)andsettingPWMFrequency(0x4D)registerto0x08.
ActualDutyPWMPWMPWMPWMPWMPWMCycle,%StepValueValueValueFreqatFreqatFreqWhenResolution,4C[7:0]4C[7:0]for4C[7:0]360kHz1.
4kHz4DApproximately%for100%about75%for50%InternalInternal[4:0]75%is(Hex)(Hex)(Hex)Clock,kHzClock,HzSelected80.
392FFBF8022.
50NotAvailable74.
902Copyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback33ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
ti.
comComputingDutyCyclesforaGivenFrequencySelectaPWMFrequencyfromthefirstcolumncorrespondingtothedesiredactualfrequencyincolumns6or7.
NotethePWMValuefor100%DutyCycle.
FindtheDutyCyclebytakingthePWMValueofRegister4Candcomputing:(1)Example:ForaPWMFrequencyof24,aPWMValueat100%=48andPWMValueactual=28,thentheDutyCycleis(28/48)*100%=58.
3%.
LUTFANCONTROLTheLM96063fancontrolusesatemperaturetodutycyclelook-uptable(LUT)thathas12indexes.
Highresolutiondutycycle(0.
392%)isavailablewhenthePWMfrequencyissetto22.
5kHz.
InadditionrampratecontrolisavailabletoacousticallysmooththedutycycletransitionbetweenLUTsteps.
ShowninFigure12isanexampleofthe12-pointLUTtemperaturetoPWMtransferfunctionthatcanberealizedwithoutsmoothingenabled.
ThetableiscomprisedoftwelveDuty-CycleandTemperatureset-pointpairs.
NoticethatthetransitionsbetweenoneindexoftheLUTtothenexthappeninstantaneously.
IfthePWMlevelsaresetfarenoughapartthiscanbeacousticallyverydisturbing.
Thetypicalacousticalthresholdofchangeindutycycleis2%.
Figure13hasanoverlaidcurve(solidline)showingwhatoccursatthetransitionswhensmoothingisenabled.
ThedashedlinesshowninFigure13aretheretopointoutthatmultipleslopescanberealizedeasily.
AtthetransitionsthedutycycleincrementsinLSb(0.
39%forthecaseshown)steps.
IntheexampleshowninFigure13thefirstpairissetforaduty-cycleof31.
25%andatemperatureof0°C.
Fortemperatureslessthan0°Cthedutycycleissetto0.
Whenthetemperatureisgreaterthan0°Cbutislessthan91°Cthedutycyclewillremainat31.
25%.
Thenextpairissetat37.
5%and91°C.
Oncethetemperatureexceeds91°CthedutycycleonthePWMoutputwillgraduallytransitionfrom31.
25%to37.
5%in0.
39%stepsattheprogrammedtimeinterval.
TheLUTcomparisontemperatureresolutionisprogrammabletoeither1°Cor0.
5°C.
ForthecurvesofFanControlTransferFunctionExamplethecomparisonresolutionissetto0.
5°Cthatiswhytheactualdutycycletransitionshappen0.
5°ChigherthantheactualLUTentry.
ThedutycycletransitiontimeintervalisprogrammableandisshowninthetabletitledTable8.
CareshouldbetakensothattheLUTPWMandTemperaturevaluesaresetupinascendingweight.
FanControlTransferFunctionExampleFigure12.
WithoutsmoothingFigure13.
WithsmoothingAlsoincludedisprogrammablehysteresisthatisnotdescribedbythecurvesofFanControlTransferFunctionExample.
Thehysteresistakeseffectastemperatureisdecreasingandmovesallthetemperatureset-pointsdownbytheprogrammedamount.
Fortheexampleshownhereifthehysteresisissetto1°Candifthetemperatureisdecreasingfrom96.
5°Cthedutycyclewillremainat68.
75%andwillnottransitionto62.
5%untilthetemperaturedropsbelow95.
5°C.
34SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013IfatanytimetheTCRIToutputweretoactivatethePWMdutycyclewillbeinstantaneouslyforcedto100%thusforcingthefanstofullon.
Table8.
PWMSmoothingTimeIntervals0-100%DCTimeTimeIntervalw/6.
25%resolutionw/0.
39%resolution(seconds)(seconds)Seconds0.
1822.
91343.
70.
0911.
45621.
60.
0460.
72810.
90.
0230.
3645.
45TheTable8tabledescribestheprogrammabletimeintervalpreventingabruptchangesinthePWMoutputdutycycleandthuspreventingabruptacousticalnoisechangesaswell.
Thethresholdofacousticallydetectingfannoisetransitionisatabouta2%dutycyclechange.
ThetabledescribesthetimeintervalsthatcanbeprogrammedandthetotalamountoftimeitwilltakeforthePWMoutputtochangefrom0%to100%foreachtimeinterval.
Forexampleifthetimeintervalforeachstepissetto0.
091secondsthetimeitwilltaketomakea0to100%dutycyclechangewillbe21.
6secondswhenthedutycycleresolutionissetto0.
39%or1.
46secondswhentheresolutionis6.
25%.
OnesettingwillapplytoallLUTtransitions.
COMPUTINGRPMOFTHEFANFROMTHETACHCOUNTTheTachCountRegisters46HEXand47HEXcountthenumberofperiodsofthe90kHztachometerclockintheLM96063forthetachometerinputfromthefanassuminga2pulseperrevolutionfantachometer,suchasthefanssuppliedwiththeIntelboxedprocessors.
TheRPMofthefancanbecomputedfromtheTachCountRegisters46HEXand47HEX.
Thiscanbestbeshownthroughanexample.
Example:Given:thefanusedhasatachometeroutputwith2perrevolution.
Let:Register46(LSB)isBFHEX=Decimal(11x16)+15=191andRegister47(MSB)is7HEX=Decimal(7x256)=1792.
ThetotalTachCount,indecimal,is191+1792=1983.
TheRPMiscomputedusingtheformulawheref=1for2pulses/revfantachometeroutput;f=2for1pulse/revfantachometeroutput,andf=2/3for3pulses/revfantachometeroutput(2)Forourexample(3)Copyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback35ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
ti.
comDIODENON-IDEALITYTheLM96063canbeappliedeasilyinthesamewayasotherintegrated-circuittemperaturesensors,anditsremotediodesensingcapabilityallowsittobeusedinnewwaysaswell.
Itcanbesolderedtoaprintedcircuitboard,andbecausethepathofbestthermalconductivityisbetweenthedieandthepins,itstemperaturewilleffectivelybethatoftheprintedcircuitboardlandsandtracessolderedtotheLM96063'spins.
Thispresumesthattheambientairtemperatureisalmostthesameasthesurfacetemperatureoftheprintedcircuitboard;iftheairtemperatureismuchhigherorlowerthanthesurfacetemperature,theactualtemperatureoftheLM96063diewillbeatanintermediatetemperaturebetweenthesurfaceandairtemperatures.
Again,theprimarythermalconductionpathisthroughtheleads,sothecircuitboardtemperaturewillcontributetothedietemperaturemuchmorestronglythanwilltheairtemperature.
TheLM96063incorporatesremotediodetemperaturesensingtechnologyallowingthemeasurementofremotetemperatures.
ThisdiodecanbelocatedonthedieofatargetIC,allowingmeasurementoftheIC'stemperature,independentoftheLM96063'sdietemperature.
Adiscretediodecanalsobeusedtosensethetemperatureofexternalobjectsorambientair.
Rememberthatadiscretediode'stemperaturewillbeaffected,andoftendominated,bythetemperatureofitsleads.
Mostsilicondiodesdonotlendthemselveswelltothisapplication.
ItisrecommendedthatanMMBT3904transistorbaseemitterjunctionbeusedwiththecollectortiedtothebase.
TheLM96063canmeasureadiode-connectedtransistorsuchastheMMBT3904orthethermaldiodefoundinanAMDprocessororanyotherdevice(ASIC,CPUorFPGA)builtonanSOIprocessaccurately.
DiodeNon-IdealityFactorEffectonAccuracyWhenatransistorisconnectedasadiode,thefollowingrelationshipholdsforvariablesVBE,TandIF:where(5)q=1.
6*1019Coulombs(theelectroncharge),T=AbsoluteTemperatureinKelvink=1.
38*1023joules/K(Boltzmann'sconstant),ηisthenon-idealityfactoroftheprocessthediodeismanufacturedon,IS=SaturationCurrentandisprocessdependent,If=ForwardCurrentthroughthebase-emitterjunctionVBE=Base-EmitterVoltagedrop(5)Intheactiveregion,the-1termisnegligibleandmaybeeliminated,yieldingthefollowingequation(6)InEquation6,ηandISaredependantupontheprocessthatwasusedinthefabricationoftheparticulardiode.
Byforcingtwocurrentswithaverycontrolledratio(IF2/IF1)andmeasuringtheresultingvoltagedifference,itispossibletoeliminatetheISterm.
Solvingfortheforwardvoltagedifferenceyieldstherelationship:(7)SolvingEquation7fortemperatureyields:(8)36SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013Equation8holdstruewhenadiodeconnectedtransistorsuchastheMMBT3904isused.
Whenthis"diode"equationisappliedtoanintegrateddiodesuchasaprocessortransistorwithitscollectortiedtoGNDasshowninFigure14itmayyieldawidenon-idealityspread.
Thiswidenon-idealityspreadisnotduetotrueprocessvariationbutduetothefactthatEquation8isanapproximation.
Figure14.
ThermalDiodeCurrentPathsCalculatingTotalSystemAccuracyThevoltageseenbytheLM96063alsoincludestheIFRSvoltagedropoftheseriesresistance.
Thenon-idealityfactor,η,istheonlyotherparameternotaccountedforanddependsonthediodethatisusedformeasurement.
SinceΔVBEisproportionaltobothηandT,thevariationsinηcannotbedistinguishedfromvariationsintemperature.
Sincethenon-idealityfactorisnotcontrolledbythetemperaturesensor,itwilldirectlyaddtotheinaccuracyofthesensor.
Asanexample,assumeatemperaturesensorhasanaccuracyspecificationof±1.
0°Catatemperatureof80°C(353Kelvin)andtheprocessordiodehasanon-idealityvariationof±0.
39%.
Theresultingsystemaccuracyoftheprocessortemperaturebeingsensedwillbe:TACC=±0.
75°C+(±0.
39%of353K)=±2.
16°C(9)Thenexterrortermtobediscussedisthatduetotheseriesresistanceofthethermaldiodeandprintedcircuitboardtraces.
Thethermaldiodeseriesresistanceisspecifiedonmostprocessordatasheetsandisintherangeofseveralohms.
TheLM96063doesnotneedtobecompensatedforseriesresistanceerrorsifthemanufacturerofthethermaldiodesaysthatthediodetheyprovidematchestheperformanceofanMMBT3904.
Iftheyprovideatypicalseriesresistancenumberthatdoesnothavetobecompensatedforbecauseitistakenintoaccount.
Theerrorthatisnotaccountedforisthespreadoftheprocessor'sseriesresistanceandadditionalPCBtraceresistance.
Theequationusedtocalculatethetemperatureerror(TER)duetothermaldiodeseriesresistancevariationissimply:(10)SolvingEquation10forRPCBequalto-1.
5to2.
5resultsintheadditionalerrorduetothespreadinthisseriesresistanceof-0.
93°Cto+1.
55°C.
Thespreadinerrorcannotbecanceledout,asitwouldrequiremeasuringeachindividualthermaldiodedevice.
Thisisquitedifficultandimpracticalinalargevolumeproductionenvironment.
Equation10canalsobeusedtocalculatetheadditionalerrorcausedbyseriesresistanceontheprintedcircuitboard.
SincethevariationofthePCBseriesresistanceisminimal,thebulkoftheerrortermisalwayspositiveandcansimplybecancelledoutbysubtractingitfromtheoutputreadingsoftheLM96063usingtheRemoteTemperatureOffsetregister.
Copyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback37ProductFolderLinks:LM96063LM96063SNIS149B–NOVEMBER2011–REVISEDMARCH2013www.
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comPCBLAYOUTFORMINIMIZINGNOISEFigure15.
IdealDiodeTraceLayoutInanoisyenvironment,suchasaprocessormotherboard,layoutconsiderationsareverycritical.
NoiseinducedontracesrunningbetweentheremotetemperaturediodesensorandtheLM96063cancausetemperatureconversionerrors.
KeepinmindthatthesignalleveltheLM96063istryingtomeasureisinmicrovolts.
Thefollowingguidelinesshouldbefollowed:1.
Usealow-noise+3.
3VDCpowersupply,andbypasstoGNDwitha0.
1Fceramiccapacitorinparallelwitha100pFceramiccapacitor.
The100pFcapacitorshouldbeplacedascloseaspossibletothepowersupplypin.
Abulkcapacitanceof10FneedstobeinthevicinityoftheLM96063'sVDDpin.
2.
A100pFdiodebypasscapacitorisrecommendedtofilterhighfrequencynoisebutmaynotbenecessary.
Placetherecommended100pFdiodecapacitorascloseaspossibletotheLM96063'sD+andDpins.
Makesurethetracestothe100pFcapacitorarematched.
TheLM96063canhandlecapacitanceupto3nFplacedbetweentheD+andD-pins,SeeFigure3inTypicalPerformanceCharacteristics.
3.
Ideally,theLM96063shouldbeplacedwithin10cmoftheProcessordiodepinswiththetracesbeingasstraight,shortandidenticalaspossible.
Traceresistanceof1Ωcancauseasmuchas0.
62°Coferror.
ThiserrorcanbecompensatedbyusingtheRemoteTemperatureOffsetRegisters,sincethevalueplacedintheseregisterswillautomaticallybesubtractedfromoraddedtotheremotetemperaturereading.
4.
DiodetracesshouldbesurroundedbyaGNDguardringtoeitherside,aboveandbelowifpossible.
ThisGNDguardshouldnotbebetweentheD+andDlines.
Intheeventthatnoisedoescoupletothediodelinesitwouldbeidealifitiscoupledcommonmode.
ThatisequallytotheD+andDlines.
5.
Avoidroutingdiodetracesincloseproximitytopowersupplyswitchingorfilteringinductors.
6.
Avoidrunningdiodetracesclosetoorparalleltohighspeeddigitalandbuslines.
Diodetracesshouldbekeptatleast2cmapartfromthehighspeeddigitaltraces.
7.
Ifitisnecessarytocrosshighspeeddigitaltraces,thediodetracesandthehighspeeddigitaltracesshouldcrossata90degreeangle.
8.
TheidealplacetoconnecttheLM96063'sGNDpinisascloseaspossibletotheProcessor'sGNDassociatedwiththesensediode.
9.
LeakagecurrentbetweenD+andGNDshouldbekepttoaminimum.
Thirteennano-amperesofleakagecancauseasmuchas0.
2°Coferrorinthediodetemperaturereading.
Keepingtheprintedcircuitboardascleanaspossiblewillminimizeleakagecurrent.
Noisecouplingintothedigitallinesgreaterthan400mVp-p(typicalhysteresis)andundershootlessthan500mVbelowGND,maypreventsuccessfulSMBuscommunicationwiththeLM96063.
SMBusnoacknowledgeisthemostcommonsymptom,causingunnecessarytrafficonthebus.
AlthoughtheSMBusmaximumfrequencyofcommunicationisratherlow(100kHzmax),carestillneedstobetakentoensureproperterminationwithinasystemwithmultiplepartsonthebusandlongprintedcircuitboardtraces.
AnRClowpassfilterwitha3dBcornerfrequencyofabout40MHzisincludedontheLM96063'sSMBCLKinput.
AdditionalresistancecanbeaddedinserieswiththeSMBDATandSMBCLKlinestofurtherhelpfilternoiseandringing.
MinimizenoisecouplingbykeepingdigitaltracesoutofswitchingpowersupplyareasaswellasensuringthatdigitallinescontaininghighspeeddatacommunicationscrossatrightanglestotheSMBDATandSMBCLKlines.
38SubmitDocumentationFeedbackCopyright2011–2013,TexasInstrumentsIncorporatedProductFolderLinks:LM96063LM96063www.
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comSNIS149B–NOVEMBER2011–REVISEDMARCH2013REVISIONHISTORYChangesfromRevisionA(March2013)toRevisionBPageChangedlayoutofNationalDataSheettoTIformat38Copyright2011–2013,TexasInstrumentsIncorporatedSubmitDocumentationFeedback39ProductFolderLinks:LM96063PACKAGEOPTIONADDENDUMwww.
ti.
com10-Dec-2020Addendum-Page1PACKAGINGINFORMATIONOrderableDeviceStatus(1)PackageTypePackageDrawingPinsPackageQtyEcoPlan(2)Leadfinish/Ballmaterial(6)MSLPeakTemp(3)OpTemp(°C)DeviceMarking(4/5)SamplesLM96063CISD/NOPBACTIVEWSONDSC101000RoHS&GreenSNLevel-1-260C-UNLIM-40to85T63SLM96063CISDX/NOPBACTIVEWSONDSC104500RoHS&GreenSNLevel-1-260C-UNLIM-40to85T63S(1)Themarketingstatusvaluesaredefinedasfollows:ACTIVE:Productdevicerecommendedfornewdesigns.
LIFEBUY:TIhasannouncedthatthedevicewillbediscontinued,andalifetime-buyperiodisineffect.
NRND:Notrecommendedfornewdesigns.
Deviceisinproductiontosupportexistingcustomers,butTIdoesnotrecommendusingthispartinanewdesign.
PREVIEW:Devicehasbeenannouncedbutisnotinproduction.
Samplesmayormaynotbeavailable.
OBSOLETE:TIhasdiscontinuedtheproductionofthedevice.
(2)RoHS:TIdefines"RoHS"tomeansemiconductorproductsthatarecompliantwiththecurrentEURoHSrequirementsforall10RoHSsubstances,includingtherequirementthatRoHSsubstancedonotexceed0.
1%byweightinhomogeneousmaterials.
Wheredesignedtobesolderedathightemperatures,"RoHS"productsaresuitableforuseinspecifiedlead-freeprocesses.
TImayreferencethesetypesofproductsas"Pb-Free".
RoHSExempt:TIdefines"RoHSExempt"tomeanproductsthatcontainleadbutarecompliantwithEURoHSpursuanttoaspecificEURoHSexemption.
Green:TIdefines"Green"tomeanthecontentofChlorine(Cl)andBromine(Br)basedflameretardantsmeetJS709Blowhalogenrequirementsof<=1000ppmthreshold.
Antimonytrioxidebasedflameretardantsmustalsomeetthe<=1000ppmthresholdrequirement.
(3)MSL,PeakTemp.
-TheMoistureSensitivityLevelratingaccordingtotheJEDECindustrystandardclassifications,andpeaksoldertemperature.
(4)Theremaybeadditionalmarking,whichrelatestothelogo,thelottracecodeinformation,ortheenvironmentalcategoryonthedevice.
(5)MultipleDeviceMarkingswillbeinsideparentheses.
OnlyoneDeviceMarkingcontainedinparenthesesandseparatedbya"~"willappearonadevice.
IfalineisindentedthenitisacontinuationofthepreviouslineandthetwocombinedrepresenttheentireDeviceMarkingforthatdevice.
(6)Leadfinish/Ballmaterial-OrderableDevicesmayhavemultiplematerialfinishoptions.
Finishoptionsareseparatedbyaverticalruledline.
Leadfinish/Ballmaterialvaluesmaywraptotwolinesifthefinishvalueexceedsthemaximumcolumnwidth.
ImportantInformationandDisclaimer:TheinformationprovidedonthispagerepresentsTI'sknowledgeandbeliefasofthedatethatitisprovided.
TIbasesitsknowledgeandbeliefoninformationprovidedbythirdparties,andmakesnorepresentationorwarrantyastotheaccuracyofsuchinformation.
Effortsareunderwaytobetterintegrateinformationfromthirdparties.
TIhastakenandcontinuestotakereasonablestepstoproviderepresentativeandaccurateinformationbutmaynothaveconducteddestructivetestingorchemicalanalysisonincomingmaterialsandchemicals.
TIandTIsuppliersconsidercertaininformationtobeproprietary,andthusCASnumbersandotherlimitedinformationmaynotbeavailableforrelease.
InnoeventshallTI'sliabilityarisingoutofsuchinformationexceedthetotalpurchasepriceoftheTIpart(s)atissueinthisdocumentsoldbyTItoCustomeronanannualbasis.
PACKAGEOPTIONADDENDUMwww.
ti.
com10-Dec-2020Addendum-Page2TAPEANDREELINFORMATION*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQReelDiameter(mm)ReelWidthW1(mm)A0(mm)B0(mm)K0(mm)P1(mm)W(mm)Pin1QuadrantLM96063CISD/NOPBWSONDSC101000178.
012.
43.
33.
31.
08.
012.
0Q1LM96063CISDX/NOPBWSONDSC104500330.
012.
43.
33.
31.
08.
012.
0Q1PACKAGEMATERIALSINFORMATIONwww.
ti.
com26-Mar-2013PackMaterials-Page1*AlldimensionsarenominalDevicePackageTypePackageDrawingPinsSPQLength(mm)Width(mm)Height(mm)LM96063CISD/NOPBWSONDSC101000210.
0185.
035.
0LM96063CISDX/NOPBWSONDSC104500367.
0367.
035.
0PACKAGEMATERIALSINFORMATIONwww.
ti.
com26-Mar-2013PackMaterials-Page2www.
ti.
comPACKAGEOUTLINEC1.
2±0.
110X0.
30.
210X0.
50.
40.
8MAX0.
050.
002±0.
12X28X0.
5A3.
12.
9B3.
12.
9(0.
2)TYPWSON-0.
8mmmaxheightDSC0010BPLASTICSMALLOUTLINE-NOLEAD4214926/A07/2014PIN1INDEXAREA0.
08SEATINGPLANE(OPTIONAL)PIN1ID161050.
1CAB0.
05CNOTES:1.
Alllineardimensionsareinmillimeters.
Anydimensionsinparenthesisareforreferenceonly.
DimensioningandtolerancingperASMEY14.
5M.
2.
Thisdrawingissubjecttochangewithoutnotice.
3.
Thepackagethermalpadmustbesolderedtotheprintedcircuitboardforthermalandmechanicalperformance.
0.
080.
1CAB0.
05CSCALE4.
000www.
ti.
comEXAMPLEBOARDLAYOUT0.
07MINALLAROUND0.
07MAXALLAROUND(1.
2)(2)10X(0.
65)10X(0.
25)(0.
35)TYP(0.
75)TYP(2.
75)()TYPVIA0.
28X(0.
5)WSON-0.
8mmmaxheightDSC0010BPLASTICSMALLOUTLINE-NOLEAD4214926/A07/2014SYMMSYMMLANDPATTERNEXAMPLESCALE:20X15610NOTES:(continued)4.
Thispackageisdesignedtobesolderedtoathermalpadontheboard.
Formoreinformation,seeTexasInstrumentsliteraturenumberSLUA271(www.
ti.
com/lit/slua271).
SOLDERMASKOPENINGMETALUNDERSOLDERMASKSOLDERMASKDEFINEDMETALSOLDERMASKOPENINGSOLDERMASKDETAILSNONSOLDERMASKDEFINED(PREFERRED)www.
ti.
comEXAMPLESTENCILDESIGN(1.
13)(0.
89)10X(0.
65)10X(0.
25)8X(0.
5)(2.
75)(0.
55)WSON-0.
8mmmaxheightDSC0010BPLASTICSMALLOUTLINE-NOLEAD4214926/A07/2014NOTES:(continued)5.
Lasercuttingapertureswithtrapezoidalwallsandroundedcornersmayofferbetterpasterelease.
IPC-7525mayhavealternatedesignrecommendations.
SYMMSYMMMETALTYPSOLDERPASTEEXAMPLEBASEDON0.
125mmTHICKSTENCILEXPOSEDPAD84%PRINTEDSOLDERCOVERAGEBYAREASCALE:25XIMPORTANTNOTICEANDDISCLAIMERTIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCEDESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES"ASIS"ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANYIMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRDPARTYINTELLECTUALPROPERTYRIGHTS.
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Theseresourcesaresubjecttochangewithoutnotice.
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Otherreproductionanddisplayoftheseresourcesisprohibited.
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TI'sproductsareprovidedsubjecttoTI'sTermsofSale(www.
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html)orotherapplicabletermsavailableeitheronti.
comorprovidedinconjunctionwithsuchTIproducts.
TI'sprovisionoftheseresourcesdoesnotexpandorotherwisealterTI'sapplicablewarrantiesorwarrantydisclaimersforTIproducts.
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