VNH3SP30-E中文资料

February2008Rev71/3333VNH3SP30-EAutomotivefullyintegratedH-bridgemotordriverFeatures■Outputcurrent:30A■5Vlogiclevelcompatibleinputs■Undervoltageandovervoltageshutdown■Overvoltageclamp■Thermalshutdown■Cross-conductionprotection■Linearcurrentlimiter■Verylowstandbypowerconsumption■PWMoperationupto10kHz■ProtectionagainstlossofgroundandlossofVCC■Package:ECOPACK®DescriptionTheVNH3SP30-Eisafull-bridgemotordriverintendedforawiderangeofautomotiveapplications.Thedeviceincorporatesadualmonolithichigh-sidedriver(HSD)andtwolow-sideswitches.TheHSDswitchisdesignedusingSTMicroelectronicsproprietaryVIPower™M0-3technologythatefficientlyintegratesatruePowerMOSFETwithanintelligentsignal/protectioncircuitonthesamedie.Thelow-sideswitchesareverticalMOSFETsmanufacturedusingSTMicroelectronicsproprietaryEHD(“STripFET™”)process.ThethreecircuitsareassembledinaMultiPowerSO-30packageonelectricallyisolatedleadframes.Thispackage,specificallydesignedfortheharshautomotiveenvironment,offersimprovedthermalperformancethankstoexposeddiepads.Moreover,itsfullysymmetricalmechanicaldesignprovidessuperiormanufacturabilityatboardlevel.TheinputsignalsINAandINBcandirectlyinterfacewiththemicrocontrollertoselectthemotordirectionandthebrakecondition.PinsDIAGA/ENAorDIAGB/ENB,whenconnectedtoanexternalpull-upresistor,enableonelegofthebridge.Theyalsoprovideafeedbackdigitaldiagnosticsignal.ThenormalconditionoperationisexplainedinThespeedofthemotorcanbecontrolledinallpossibleconditionsbythePWMuptokHz.Inallcases,alowlevelstateonthePWMpinwillturnoffboththeLSAandLSBswitches.WhenPWMrisestoahighlevel,LSAorLSBturnonagaindependingontheinputpinstate.TypeRDS(on)IoutVccmaxVNH3SP30-E45mΩmax(perleg)30A40VMultiPowerSO-30™Table1.DevicesummaryPackageOrdercodesTubeTape&reelMultiPowerSO-30VNH3SP30-EVNH3SP30TR-E(valuesaccordingtothePCBheatsinkarea).....................264.1.3Thermalcalculationintransientmode..........................264.1.4Singlepulsethermalimpedancedefinition(valuesaccordingtothePCBheatsinkarea).....................265Packageandpackinginformation.............................295.1ECOPACK®packages.......................................295.2MultiPowerSO-30packagemechanicaldata......................295.3Packinginformation.........................................316Revisionhistory...........................................32VNH3SP30-EListoftables3/33ListoftablesTable1.Devicesummary..........................................................1Table2.Blockdescription..........................................................5Table3.Pindefinitionsandfunctions.................................................6Table4.Pinfunctionsdescription....................................................7Table5.Absolutemaximumratings..................................................8Table6.Powersection...........................................................9Table7.Logicinputs(INA,INB,ENA,ENB)...........................................9Table8.PWM..................................................................10Table9.Switching(VCC=13V,RLOAD=1.1Ω,unlessotherwisespecified)..................10Table10.Protectionanddiagnostic..................................................10Table11.Truthtableinnormaloperatingconditions.....................................13Table12.Truthtableinfaultconditions(detectedonOUTA)...............................13Table13.Electricaltransientrequirements............................................14Table14.Thermalcalculationinclockwiseandanti-clockwiseoperationinsteady-statemode....26Table15.Thermalparameters......................................................28Table16.MultiPowerSO-30mechanicaldata..........................................30Table17.Documentrevisionhistory.................................................32ListoffiguresVNH3SP30-E4/33ListoffiguresFigure1.Blockdiagram............................................................5Figure2.Configurationdiagram(topview).............................................6Figure3.Currentandvoltageconventions.............................................8Figure4.Definitionofthedelaytimesmeasurement....................................11Figure5.Definitionofthelowsideswitchingtimes.....