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TIDRV8301三相马达驱动解决方案关键字：工业控制,马达控制TI公司的DRV8301是用于三相马达的栅极驱动器,包括三个半桥驱动器(每个可驱动两个N沟MOSFET),一个用于高边和一个用于低边的驱动器.支持2.3A沉电流和1.7A源峰值电流,单电源8V-60V工作,支持100%占空比.对外接MOSFET可编程过流保护,主要用在三相无刷DC马达和永磁同步马达,CPAP和泵,电动自行车,医院病床,轮椅以及电钻,搅拌机和切碎机.本文介绍了DRV8301主要特性,方框图,应用案例电路图以及DRV8301-HC-C2-KIT评估板主要特性和马达驱动和控制解决方案框图.TheDRV8301isagatedriverICforthreephasemotordriveapplications.Itprovidesthreehalfbridgedrivers,eachcapableofdrivingtwoN-typeMOSFETs,oneforthehigh-sideandoneforthelowside.Itsupportsupto2.3Asinkand1.7Asourcepeakcurrentcapabilityandonlyneedsasinglepowersupplywithawiderangefrom8to60V.TheDRV8301usesbootstrapgatedriverswithtricklechargecircuitrytosupport100%dutycycle.ThegatedriverusesautomatichandshakingwhenhighsideFETorlowsideFETisswitchingtopreventcurrentshootthrough.VdsofFETsissensedtoprotectexternalpowerstageduringovercurrentconditions.TheDRV8301includestwocurrentshuntamplifiersforaccuratecurrentmeasurement.DRV8301主要特性:OperatingSupplyVoltage8V–60V2.3ASinkand1.7ASourceGateDriveCurrentCapabilityIntegratedDualShuntCurrentAmplifiersWithAdjustableGainandOffsetIntegratedBuckConvertertoSupportupto1.5AExternalLoadIndependentControlof3or6PWMInputsBootstrapGateDriverWith100%DutyCycleSupportProgrammableDeadTimetoProtectExternalFETsfromShootThroughSlewRateControlforEMIReductionProgrammableOvercurrentProtectionofExternalMOSFETsSupportBoth3.3Vand5VDigitalInterfaceSPIInterfaceThermallyEnhanced56-PinTSSOPPadDownDCAPackageDRV8301应用:3-PhaseBrushlessDCMotorandPermanentMagnetSynchronousMotorCPAPandPumpE-bike,HospitalBed,WheelChairPowerDrill,Blender,Chopper图1.DRV8301方框图图2.DRV8301简化应用电路图图3.DRV8301应用案例电路图DRV8301-HC-C2-KIT评估板TheDRV8301-HC-C2-KITisamotorcontrolevaluationkitforspinningthreephasebrushlessDCandandbrushlessAC(BLAC)-oftenreferredtoaspermanentmagnetsynchronous(PMSM)–motorswithexamplesofbothsensorlessFieldOriented/VectorControl(FOC)andTI’sInstaSPIN-BLDCsensorlessBLDCsolution.TheDRV8301-HC-C2-KITisahigh-performance,power-efficient,cost-effectiveplatformthatspeedsdevelopmentforquickertimetomarket.ApplicationsincludeCPAPandpumps,E-bikes,E-scooters,medicalpumpsanddrills,powertools,androbotics.DRV8301-HC-C2-KIT评估板主要特性:DRV83022.3Asink/1.7Asource,threephaseinverterwithintegratedbuckconverterfor1.5Aexternalloads.C2000PiccoloF28035MCUcontrolCARD–preflashedwithcodetospinmotorsusingGUIIsolatedXDS100EmulationCCStudiov4.xIntegratedDevelopmentEnvironmentAO-Electronics傲壹电子官网：中文网：图5.马达驱动和控制解决方案框图