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1/26September2004VNH2SP30-EAUTOMOTIVEFULLYINTEGRATEDH-BRIDGEMOTORDRIVERRev.1Table1.GeneralFeatures■OUTPUTCURRENT:30A■5VLOGICLEVELCOMPATIBLEINPUTS■UNDERVOLTAGEANDOVERVOLTAGESHUT-DOWN■OVERVOLTAGECLAMP■THERMALSHUTDOWN■CROSS-CONDUCTIONPROTECTION■LINEARCURRENTLIMITER■VERYLOWSTAND-BYPOWERCONSUMPTION■PWMOPERATIONUPTO20KHz■PROTECTIONAGAINST:LOSSOFGROUNDANDLOSSOFVCC■CURRENTSENSEOUTPUTPROPORTIONALTOMOTORCURRENT■INCOMPLIANCEWITHTHE2002/95/ECEUROPEANDIRECTIVEDESCRIPTIONTheVNH2SP30-Eisafullbridgemotordriverintendedforawiderangeofautomotiveapplications.ThedeviceincorporatesadualmonolithicHigh-SidedriversandtwoLow-Sideswitches.TheHigh-SidedriverswitchisdesignedusingSTMicroelectronic’swellknownandprovenproprietaryVIPower™M0technologythatallowstoefficientlyintegrateonthesamedieatruePowerMOSFETwithanintelligentsignal/protectioncircuitry.Figure1.PackageTheLow-SideswitchesareverticalMOSFETsmanufacturedusingSTMicroelectronic’sproprietaryEHD(‘STripFET™’)process.ThethreediceareassembledinMultiPowerSO-30packageonelectricallyisolatedleadframes.Thispackage,specificallydesignedfortheharshautomotiveenvironmentoffersimprovedthermalperformancethankstoexposeddiepads.Moreover,itsfullysymmetricalmechanicaldesignallowssuperiormanufacturabilityatboardlevel.TheinputsignalsINAandINBcandirectlyinterfacetothemicrocontrollertoselectthemotordirectionandthebrakecondition.TheDIAGA/ENAorDIAGB/ENB,whenconnectedtoanexternalpull-upresistor,enableonelegofthebridge.Theyalsoprovideafeedbackdigitaldiagnosticsignal.Thenormalconditionoperationisexplainedinthetruthtableonpage14.TheCSpinallowstomonitorthemotorcurrentbydeliveringacurrentproportionaltoitsvalue.ThePWM,upto20KHz,letsustocontrolthespeedofthemotorinallpossibleconditions.Inallcases,alowlevelstateonthePWMpinwillturnoffboththeLSAandLSBswitches.WhenPWMrisestoahighlevel,LSAorLSBturnonagaindependingontheinputpinstate.Table2.OrderCodesTypeRDS(on)IoutVccmaxVNH2SP30-E19mΩmax(perleg)30A41VMultiPowerSO-30PackageTubeTapeandReelMultiPowerSO-30VNH2SP30-EVNH2SP30TR-EVNH2SP30-E2/26Figure2.BlockDiagramFigure3.ConfigurationDiagram(TopView)LOGICVCCOUTADIAGA/ENAINBINAGNDACSDIAGB/ENBLSACLAMPHSALSAHSAOVERTEMPERATUREAOVERTEMPERATUREBOV+UVCURRENTLIMITATIONAOUTBGNDBLSBHSBCURRENTLIMITATIONBDRIVERHSADRIVERLSBDRIVERHSBDRIVERCLAMPHSBCLAMPLSBCLAMPLSAPWM1/K1/KOUTAOUTAOUTAOUTBOUTBNcVCCNcINAENA/DIAGANcPWMCSENB/DIAGBINBNcNcVCCOUTBNcNcGNDAGNDAGNDANcVCCNcGNDBGNDBGNDB1151630VCCHeatSlug1OUTBHeatSlug2OUTAHeatSlug33/26VNH2SP30-ETable3.PinDefinitionsAndFunctionsNote:(*)GNDAandGNDBmustbeexternallyconnectedtogetherTable4.PinFunctionsDescriptionPinNoSymbolFunction1,25,30OUTA,HeatSlug2SourceofHigh-SideSwitchA/DrainofLow-SideSwitchA2,4,7,12,14,17,22,24,29NCNotconnected3,13,23VCC,HeatSlug1DrainofHigh-SideSwitchesandPowerSupplyVoltage6ENA/DIAGAStatusofHigh-SideandLow-SideSwitchesA;OpenDrainOutput5INAClockwiseInput8PWMPWMInput9CSOutputofCurrentsense11INBCounterClockwiseInput10ENB/DIAGBStatusofHigh-SideandLow-SideSwitchesB;OpenDrainOutput15,16,21OUTB,HeatSlug3SourceofHigh-SideSwitchB/DrainofLow-SideSwitchB26,27,28GNDASourceofLow-SideSwitchA(*)18,19,20GNDBSourceofLow-SideSwitchB(*)NameDescriptionVCCBatteryconnection.GNDAGNDBPowergrounds,mustalwaysbeexternallyconnectedtogether.OUTAOUTBPowerconnectionstothemotor.INAINBVoltagecontrolledinputpinswithhysteresis,CMOScompatible.Thesetwopinscontrolthestateofthebridgeinnormaloperationaccordingtothetruthtable(braketoVCC,BraketoGND,clockwiseandcounterclockwise).PWMVoltagecontrolledinputpinwithhysteresis,CMOScompatible.GatesofLow-SideFETSgetmodulatedbythePWMsignalduringtheirONphaseallowingspeedcontrolofthemotorENA/DIAGAENB/DIAGBOpendrainbidirectionallogicpins.Thesepinsmustbeconnectedtoanexternalpullupresistor.Whenexternallypulledlow,theydisablehalf-bridgeAorB.Incaseoffaultdetection(thermalshutdownofaHigh-SideFETorexcessiveONstatevoltagedropacrossaLow-SideFET),thesepinsarepulledlowbythedevice(seetruthtableinfaultcondition).CSAnalogcurrentsenseoutput.Thisoutputsourcesacurrentproportionaltothemotorcurrent.Theinformationcanbereadbackasananalogvoltageacrossanexternalresistor.VNH2SP30-E4/26Table5.BlockDescriptions(seeBlockDiagram)Table6.AbsoluteMaximumRatingFigure4.CurrentandVoltageConventionsNameDescriptionLOGICCONTROLAllowstheturn-onandtheturn-offoftheHighSideandtheLowSideswitchesaccordingtothetruthtable.OVERVOLTAGE+UNDERVOLTAGEShut-downthedeviceoutsidetherange[5.5V..16V]forthebatteryvoltage.HIGHSIDEANDLOWSIDECLAMPVOLTAGEProtecttheHighSideandtheLowSideswitchesfromthehighvoltageonthebatterylineinallconfigurationforthemotor.HIGHSIDEANDLOWSIDEDRIVERDrivethegateoftheconcernedswitchtoallowaproperRDS(on)forthelegofthebridge.LINEARCURRENTLIMITERLimitsthemotorcurrent,byreducingtheHighSideSwitchgate-sourcevoltagewhenshort-circuittogroundoccurs.OVERTEMPERATUREPROTECTIONIncaseofshort-circuitwiththeincreaseofthejunction’stemperature,shuts-downtheconcernedHighSidetopreventitsdegradationandtoprotectthedie.FAULTDETECTIONSignalizeanabnormalbehavioroftheswitchesinthehalf-bridgeAorBbypullinglowtheconcernedENx/DIAGxpin.SymbolParameter