ACPL-38JTavago汽车级隔离驱动光耦

ACPL-38JTAutomotiveGateDriveOptocouplerwithR2Coupler™Isolation,2.5AmpOutputCurrent,IntegratedDesaturation(VCE)DetectionandFaultStatusFeedbackDataSheetCAUTION:Itisadvisedthatnormalstaticprecautionsbetakeninhandlingandassemblyofthiscomponenttopreventdamageand/ordegradationwhichmaybeinducedbyESD.Lead(Pb)FreeRoHS6fullycompliantRoHS6fullycompliantoptionsavailable;-xxxEdenotesalead-freeproductDescriptionAvago’sautomotive2.5AmpGateDriveOptocouplerwithIntegratedDesaturation(VCE)DetectionandFaultStatusFeedbackmakesautomotiveIGBTVCEfaultprotectioncompact,affordable,andeasy-to-implementwhilesatis-fyingautomotiveAEC-Q100Grade1semiconductorre-quirement.AvagoR2Couplerisolationproductsprovidetherein-forcedinsulationandreliabilityneededforcriticalinauto-motiveandhightemperatureindustrialapplicationsFunctionalDiagramFigure1.ACPL-38JTFunctionalDiagramFeatures2.5AmaximumpeakoutputcurrentDriveIGBTsuptoIC=150A,VCE=1200VOpticallyisolated,FAULTstatusfeedbackSO-16packageCMOS/TTLcompatible500nsmax.switchingspeeds“Soft”IGBTturn-offIntegratedfail-safeIGBTprotection–Desat(VCE)detection–UnderVoltageLock-Outprotection(UVLO)withhysteresisUserconfigurable:inverting,noninverting,auto-reset,auto-shutdownWideoperatingVCCrange:15to30Volts-40°Cto+125°Coperatingtemperaturerange15kV/smin.CommonModeRejection(CMR)atVCM=1500VQualifiedtoAEC-Q100Grade1TestGuidelinesRegulatoryapprovals:–UL1577,CSA–IEC/EN/DINEN60747-5-5ApplicationsAutomotiveIsolatedIGBT/MOSFETInvertergatedriveAutomotiveDC-DCConverterACandbrushlessdcmotordrivesIndustrialinvertersforpowersuppliesandmotorcontrolsUn-interruptiblePowerSuppliesVLED2+SHIELDSHIELDDRIVERVEDESATVCC2VOUTVEEVCC1GND1RESETVIN+VIN–234511310149,121615DESATUVLOLED1LED211VCFAULTFAULT6VLED1–VLED1+782TypicalFaultProtectedIGBTGateDriveCircuitTheACPL-38JTisaneasy-to-use,intelligentgatedriverwhichmakesIGBTVCEfaultprotectioncompact,affordable,andeasy-to-implement.Featuressuchasuserconfigurableinputs,integratedVCEdetection,undervoltagelockout(UVLO),“soft”IGBTturn-offandisolatedfaultfeedbackprovidemaximumdesignflexibilityandcircuitprotection.Micro-ControllerBoundaryIsolationBoundaryIsolationBoundaryIsolationBoundaryIsolationBoundaryIsolationBoundaryIsolationBoundaryIsolationMDC-DCConverterBatteryMMBatteryBatteryFAULTTypicalApplicationBlockDiagramofamotorcontrolsystem.OrderingInformationACPL-38JTisULRecognizedwith5000Vrmsfor1minuteperUL1577.PartNumberRoHSCompliantPackageSurfaceMountTape&ReelQuantityACPL-38JT-000ESO-16X45pertube-500EXX850perreelToorder,chooseapartnumberfromthepartnumbercolumnandcombinewiththedesiredoptionfromtheoptioncolumntoformanorderentry.Example1:ACPL-38JT-500EtoorderproductofSO-16SurfaceMountRoHScompliantpackageinTapeandReelpackaging.Optiondatasheetsareavailable.ContactyourAvagosalesrepresentativeorauthorizeddistributorforinformation.3DescriptionofOperationduringFaultCondition1.DESATterminalmonitorstheIGBTVCEvoltagethroughDDESAT.2.WhenthevoltageontheDESATterminalexceeds7volts,theIGBTgatevoltage(VOUT)isslowlylowered.3.FAULToutputgoeslow,notifyingthemicrocontrollerofthefaultcondition.4.Microcontrollertakesappropriateaction.VIN+VIN-UVLO(VCC2-VE)DesatConditionDetectedonPin14Pin6(FAULT)OutputVOUTXXLowXXXActiveXXXYesXXLowXLowLowLowXHighXXXLowHighLowNotActiveNoHighHighOutputControlTheoutputs(VOUTandFAULT)oftheACPL-38JTarecon-trolledbythecombinationofVIN,UVLOandadetectedIGBTDesatcondition.Asindicatedinthebelowtable,theACPL-38JTcanbeconfiguredasinvertingornon-invert-ingusingtheVIN+orVIN-inputsrespectively.Whenaninvertingconfigurationisdesired,VIN+mustbeheldhighandVIN-toggled.Whenanon-invertingconfigurationisdesired,VIN-mustbeheldlowandVIN+toggled.OnceUVLOisnotactive(VCC2-VEVUVLO),VOUTisallowedtogohigh,andtheDESAT(pin14)detectionfeatureoftheACPL-38JTwillbetheprimarysourceofIGBTprotec-tion.UVLOisneededtoensureDESATisfunctional.OnceVUVLO+11.6V,DESATwillremainfunctionaluntilVUVLO-12.4V.Thus,theDESATdetectionandUVLOfeaturesoftheACPL-38JTworkinconjunctiontoensureconstantIGBTprotection.++RG100ΩCBLANKDDESATQ1Q2+VCE**RPULL-DOWNRF0.1μF0.1μF0.1μF0.1μF12345678161514131211109VEVLED2+DESATVCC2VEEVCVOUTVEEGND1VCC1VLED+VLEDVINFAULT+_C+VF***VIN+RESET+_μCTypicalde-saturationprotectedgatedrivecircuit,non-inverting.4ProductOverviewDescriptionTheACPL-38JT(showninFigure1)isahighlyintegratedpowercontroldevicethatincorporatesallthenecessarycomponentsforacomplete,isolatedIGBTgatedrivecircuitwithfaultprotectionandfeedbackintooneSO-16package.TTLinputlogiclevelsallowdirectinterfacewithamicrocontroller,andanopticallyisolatedpoweroutputstagedrivesIGBTswithpowerratingsofupto150Aand1200V.AhighspeedinternalopticallinkminimizesthepropagationdelaysbetweenthemicrocontrollerandtheIGBTwhileallowingthetwosystemstooperateatverylargecommonmodevoltagedifferencesthatarecommoninindustrialmotordrivesandotherpowerswitchingapplications.AnoutputICprovideslocalpro-tectionfortheIGBTtopreventdamageduringovercur-rents,andasecondopticallinkprovidesafullyisolatedfaultstatusfeedbacksignalforthemicrocontroller.Abuiltin“watchdog”circuitmonitors