LEDstatusmonitor

ApplicationsPWMdriverforinductiveloads(e.
g.
6/12Vrelays,actuators,electrovalves)from24ViC-GEandiC-GE100arePWMdriversforinductiveloads,suchasrelays,valvesandotherinductiveactuators.
Thesetpointsforthecoil'senergizingandholdcurrentarepre-setbymeansofexternalresistorsRACTandRHOLD.
Thesecurrentscanbesetinarangefrom100mAto1A(iC-GE)resp.
10to100mA(iC-GE100).
Thedriversintrinsicallyswitchfromenergizingtoholdmodeafter50ms,providedthattheenergizingcurrenthasbeenreached.
AcapacitoratTACTprolongsthetimebeforetheswitchingtoholdmodeoccurs(iC-GEonly).
Thechangeoverbetweenenergizingandholdmodesissuitablefortypicalrelays,requiringapowerfulinitialenergizingcurrent,whichcanthenbereducedafterclosingtheairgapinthemag-neticcircuit.
Thequadraticdependenceonthecurrentmeansthatreducingthecurrentbye.
g.
30%reducesthepowerdissipationbymorethan50%.
SWVBiC-GERHOLDTACTENLSWSYNCIACTCACTLEDRMIHOLD0.
01.
.
10HVBRACTGNDGNDRACTCVBDIAGRHOLDCACTCVBiC-GE100*)*iC-GEonlyFeaturesCurrentcontrolforinductiveactuatorsat24V(10to36V)Highefficientcurrentcontrolupto1A(iC-GE100:100mAmax.
)PowersavingandpowerdissipationreducedswitchingIndividualsettingofenergizingandholdcurrentEnergizingtimeof50msprolongablewithexternalcapacitor(iC-GEonly)Monitoringofcoilcurrent,supplyvoltageandchiptemperatureStatusindicationviaLEDorlogicoutputContactpreservingzeroloadswitchingofrelaysShutdownwithovertemperatureandundervoltageFastdemagnetisingdueto15VcountervoltageHighPWMfrequencywithspreadingforlowEMIThedeviceisshutdownbyaLowsignalatinputENortheremovalofthepowersupply;thecurrentdepletioninthecoilissupportedbyswitchingthefree-wheelingcircuittoahighervoltage.
TothisendaZenerdiodeisactivatedforaquickerdemagnetisingofthecoil.
ThestatusindicatorLEDisconstantlyONwhenholdmodeisfunctioningcorrectlyandflasheswithlowvoltage,excessivetemperatureorwhenthecoilcurrentinenergizemodehasnotreachedthesetpoint.
Thedriveroutputisshutdownwithlowvoltageorexcessivetemperature.
AlternativelytousingitasanLEDoutputDIAGsignalsthecor-rectoperatingbyoutputtingalogichighsignal.
TheinputsignalatENcanbesynchronisedwiththezerocrossingatinputSYNC.
ThusbyusinganexternalR/Cnetwork,theswitchingofthecoilcanbesynchronisedwiththeloadcurrentofe.
g.
arelay.
Thispreliminaryinformationisnottantamounttoaguaranteeofdevicecharacteristics.
Allrightstotechnicalchangesreserved.
PinFunctionsiC-GENo.
NameFunction1ENEnableInput2-4GNDGround5-7SWPWMOutput8-10VB+10.
.
.
36VSupplyVoltage11DIAGStatusOutput12SYNCSyncInput13RMReferenceGroundforRACTandRHOLD14TACTEnergizingTimeProlongation15IHOLDHoldCurrentSetup16IACTEnergizingCurrentSetupPinFunctionsiC-GE100No.
NameFunction1GNDGround2SWPWMOutput3VB+10.
.
.
36VSupplyVoltage4IHOLDHoldCurrentSetup5IACTEnergizingCurrentSetup6DIAGStatusOutput7SYNCSyncInput8ENEnableInputKeySpecificationsTotalDevicePermissibleSupplyVoltageRange10.
.
.
36VDriverOutputSWPWM-CurrentRangeiC-GEiC-GE100100.
.
.
1000mA10.
.
.
100mAStatusMonitorDIAGFrequencyonErrortyp.
2.
4HzThermalShutdownTemperature140.
.
.
170°CReferenceIACTandIHOLDReferenceVoltageatIACTandIHOLDtyp.
1.
27TransferValueforEnergizingCurrentRACT=K1/I(SW)acttyp.
5000TransferValueforHoldCurrentRHOLD=K2/I(SW)holdtyp.
5000EnergizingTimeProlongationTACTPropagationDelayfromEN=hitochangeoverfromIACTtoIHOLDTACTnotconnectedtyp.
50msEnergizingTimeProlongation(iC-GEonly)tpPWM=tpPWMlo+K3*CACTtyp.
1ms/nFOscillatorMeanOscillatorFrequencytyp.
80kHzFrequencyVariation12.
.
.
15%PinConfigurationQFN16-4x4/DFN8-3x312345678GE100code.
.
.
.
.
.
12161514131211109876543GEcode.
.
.
.
.
.
ApplicationExample!