DRV91680RGZR_无刷电动工具驱动_核心MSP430

TIConfidential–NDARestrictionsDRV91680SLDS196A–MARCH2014–REVISEDNOVEMBER2014DRV91680IntegratedMotorControllerandPredriver1Features2Applications1•OperatingVoltageRange8.0Vto26V•3PhaseBLDCMotorsorPMSMcontrols•AnalogPeripheralFeatures•RemoteControlledSemi-ProfessionalToys•LowNoiseIndustrialFansandPumps–6IndependentIntegratedPre-drivers•PowerTools–16Channel10-bitADC–2.4VADCReferenceForExternalUse3Description–10-bitDACwith1.2V/2.4VFullScaleforOverTI’sDRV91680integratedmotorcontrollerandCurrent(OC)Controlpredriverisa26Vsinglesupplywith6internal–25MHzSerialInterfaceBetweenCPUandregulators,three47Vhighsidefloatingpredrivers,AnalogPeripheralsthree7VlowsidepredriversandthreeinternalChargePumps(CP).Suitableapplicationsforthis–USCI–SPI/UARTforExternaldeviceareBrushed(BDC)orBrushless(BLDC)Communicationmotorsystems.Thisproductalsoallowsanexternal–28GPIOPortsfailsafeprotectionschemetopreventaccidental–22LowVoltage(3.3V)GPIOsrunoffofthemotor.Thebuilt–inprotectionfunctionsincludeover-voltage,over-current,under-voltage.–6MediumVoltage(7V)GPIOs–ControlsMotorSpeedwithDigitalPWMorThesixPWMsindependentlyallowcontrolofthehighAnaloglinearInputandlowsideoftheexternalPowerFETs.ThecontrollercanbeconfiguredtooperateinHalf-–SupportsDigitalHallSensorandSensorlessBridge(HB),Full-Bridge(FB)and3Phasemode.TheModeofOperationPredrivers’sinkandsourcecapabilitygivesfastTurn–3DedicatedComparatorsforBEMFSensingOn/Turn-Offat20KHZtotheexternalFETswith–InternalCenterTap(CT)VoltageGenerationGatechargesupto133nC.–ProgrammableDifferentialSenseAmp(DSA)Theintegratedanalogperipheralsystemiscombinedwitha16-bitRISCmicrocontroller,andassembledas–750KHzBandwidthamulti-chipmodule(MCM)withformfactorof48-pin–DCShuntResistorConfigurationRGZpackageandPowerPAD™heatsink.32KBof–PowerFETRdsonSensingConfigurationsingle-cycleFlashmemoryisembeddedwiththe–3ChargePumpstoSupport100%DutyCycledigitalmicrocontrollersub-system.The16-bitmicrocontrollerisinstructionsetcompatiblewithTI’s–ProgrammableOverCurrent(OC)ProtectionMSP430F5438family.–OverTemperature(OT)Protection–POR/BOR/UVLOMonitorsDeviceInformationORDERNUMBERPACKAGEBODYSIZE•MicrocontrollerFeatures:DRV91680RGZTVQFN(48)7.00mmx7.00mm–16-BitRISCArchitecture–UpTo25MIPS–HighEndurance32KBFLASH–25MHzSingleCycleAccess–2KBSRAM–Spi-Bi-WireforDeviceProgramming–DeadTimeGenerator–CodeProtectionLockout1AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.TIConfidential–NDARestrictionsDRV91680SLDS196A–MARCH2014–REVISEDNOVEMBER2014(USCI)......................................................................241Features..................................................................17.7DRV91680InterDieSerialProtocol.......................252Applications...........................................................17.8AnalogSPIRegistersandDefinitions.....................313Description.............................................................17.9VoltageRegulators..................................................384RevisionHistory.....................................................27.10PowerFaultResetAndVoltageMonitor...............395TerminalConfigurationandFunctions................37.11InternalOscillator..................................................416Specifications.........................................................57.12BandgapVoltage...................................................426.1AbsoluteMaximumRatings.....................................57.13GeneralPurposeI/O(GPIO).................................436.2HandlingRatings.......................................................67.14DAC/ADCREFout..................................................466.3RecommendedOperatingConditions......................67.15MotorSpeedControl.............................................486.4ThermalInformation..................................................67.16Sleep/Wake...........................................................486.5Stand-byMode..........................................................67.17HallSensor/BEMFDescription............................496.6DCCharacteristics....................................................77.18CurrentSenseandOver-Current(OC)Detection.516.7ElectricalCharacteristics..........................................87.19Analog-to-DigitalConverter...................................586.8ElectricalCharacteristics..........................................87.20IntegratedPredrivers...........................................646.9USCI(SPIMasterMode)-Electrical7.21RevisionRegister..................................................69Characteristics...........................................................97.22RecommendedExternalComponents..................697DetailedDescription............................................108DeviceandDocumentationSupport..................707.1Overview.................................................................108.1Trademarks........