DRV83x2 Three-Phase PWM Motor Driver (Rev. E)

1 GVDDGVDDPVDDMC ontrollerRESET_APWM_BOC_ADJGNDGND_AGND_B OUT_BPVDD_BAGNDVREGM3M2 BST_BNCNCGNDRESET_CRESET_BVDDGVDD_COUT_C PVDD_CBST_CGVDD_CPWM_CGND_CM1 GNDGVDD_BOTWFAULTPWM_AGVDD_ABST_APVDD_AO UT_AProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityReferenceDesignAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand ,DRV8332 SLES256E MAY2010 REVISEDDECEMBER2014 DRV83x2 three -PhasePWM MotorDriver11 Features1 High-EfficiencyPowerStage(up to 97%)WithLow RDS(on)MOSFETs(80 m at TJ= 25 C) OperatingSupplyVoltageup to 50 V(70-AAbsoluteMaximum) DRV8312(PowerPad Down):up to ( ) DRV8332(PowerPad Up).

2 Up to 8-A ContinuousPhaseCurrent(13-APeak) IndependentControlof ThreePhases PWMO peratingFrequencyup to 500 kHz IntegratedSelf-ProtectionCircuitsIncludi ngUndervoltage,Overtemperature,Overload, andShortCircuit ProgrammableCycle-by-CycleCurrentLimitPr otection IndependentSupplyand GroundPinsfor EachHalf Bridge IntelligentGateDriveand CrossConductionPrevention No ExternalSnubberor SchottkyDiodeisRequired2 Applications BLDCM otors three -PhasePermanentMagnetSynchronousMot ors Inverters Half BridgeDrivers RoboticControlSystems3 DescriptionTheDRV83x2arehigh-performance , the low RDS(on)

3 Of the powerMOSFET sandintelligentgatedrivedesign,the efficiencyofthesemotordriverscan be up to 97%.Thishighefficiencythe useof smallerpowersuppliesandheatsinks,and the devicesare powersupplies,oneat12 V for GVDDand VDD,and anotherup to 50 V DRV83x2can operateat up to 500-kHzswitchingfrequencywhilestill maintainingprecisecontroland devicesalso haveaninnovativeprotectionsystemsafeguar dingthe deviceagainsta widerangeof faultconditionsthat coulddamagethe short-circuitprotection,overcurrentprote ction,undervoltageprotection.

4 Current-limitingcircuitthat preventsdeviceshutdownduringload transientssuchas programmableovercurrentdetectorallowsadj ustablecurrentlimitand protectionlevelto DRV83x2haveuniqueindependentsupplyandgro undpins for makeitpossibleto providecurrentmeasurementthroughexternal shuntresistorand supporthalf bridgedriverswith (1)PARTNUMBERPACKAGEBODYSIZE(NOM)DRV8312 HTSSOP(44) (36) (1) For all availablepackages,see the orderableaddendumatthe end of the SimplifiedApplicationDiagram2 DRV8312,DRV8332 SLES256E MAY2010 :DRV8312 DRV8332 SubmitDocumentationFeedbackCopyright 2010 2014,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand (DRV8312).

5 Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (January2014)to RevisionEPage AddedESDR atingstable,FeaturesDescriptionsection,D eviceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand (October2013)to RevisionDPage ChangedGND_A,GND_B,and GND_Cpins descriptionto removetext "requiresclosedecouplingcapacitorto ground". 4 ChangedM2 pin descriptionFrom:Modeselectionpin.

6 4 Addedthe Addedtext to the Overcurrent(OC)Protectionsection- "It is importantto " ..12 Addedtext to the Overcurrent(OC)Protectionsection- "The valuesin Table2 " ..12 ChangesfromRevisionB (September2013)to RevisionCPage Changedtext in the Overcurrent(OC)ProtectionsectionFrom:"ca usethe deviceto shutdownimmediately." To:"causethe deviceto shutdown."..12 ChangedChangedtext in the Overcurrent(OC)ProtectionsectionFrom:"RE SET_B,and / or mustbe asserted."To: ", and mustbe asserted"..12 Changedparagraphin the DEVICERESET"A ".

7 13 ChangesfromRevisionA (July2013)to RevisionBPage Changedthe descriptionof pin M3 From:AGND connectionis recommendedTo: VREG connectionis 43 DRV8312, MAY2010 REVISEDDECEMBER2014 ProductFolderLinks:DRV8312 DRV8332 SubmitDocumentationFeedbackCopyright 2010 2014,TexasInstrumentsIncorporatedChanges fromOriginal(May2010)to RevisionAPage Changedtext in the OC_ADJPin sectionFrom:"For accuratecontrolof the " To: "Foraccuratecontrolof the "..2412345678911101213141516171836353433 3231302928262725242322212019 GVDD_BFAULTRESET_ARESET_CPWM_BPWM_CRESET _BOTWGNDPWM_AAGNDOC_ADJVREGVDDGVDD_CM3M2 M1 GVDD_ABST_APVDD_AOUT_AGND_AGND_BOUT_BPVD D_BBST_BNCNCGNDGNDGND_COUT_CPVDD_CBST_CG VDD_C12345678910111213141516171819202122 GVDD_CVDDNCNCPWM_CRESET_CRESET_BOC_ADJGN DAGNDVREGM3M2M1 PWM_BRESET_APWM_ANCFAULTNCOTWGVDD_BGVDD_ CBST_CNCPVDD_CPVDD_COUT_CGND_CGNDGNDNCNC BST_BPVDD_BOUT_BGND_BGND_AOUT_APVDD_APVD D_ANCBST_AGVDD_A444342414039383736353433 323130292827262524234

8 DRV8312,DRV8332 SLES256E MAY2010 :DRV8312 DRV8332 SubmitDocumentationFeedbackCopyright 2010 2014,TexasInstrumentsIncorporated6 Pin Configurationand FunctionsDV8312 HTSSOP(DDW)(TopView)DRV8312:44-pinTSSOP powerpad packagecontainsathermalpad that is locatedon the bottomside of the devicefor (DKD)(TopView)DRV8332 packagecontainsa thickheatslugthat is locatedon the top side of the devicefor dissipatingheatthroughheatsink.(1)I = input,O = output,P = power,T = thermalPin FunctionsPINI/O TYPE(1)DESCRIPTIONNAMEDRV8312 DRV8332 AGND129 PAnaloggroundBST_A2435 PHighside bootstrapsupply(BST),externalcapacitorto OUT_ArequiredBST_B3328 PHighside bootstrapsupply(BST),externalcapacitorto OUT_BrequiredBST_C4320 PHighside bootstrapsupply(BST)

9 ,externalcapacitorto OUT_CrequiredGND13, 36, 378 PGroundGND_A2932 PPowergroundfor half-bridgeAGND_B3031 PPowergroundfor half-bridgeBGND_C3823 PPowergroundfor half-bridgeCGVDD_A2336 PGate-drivevoltagesupplyGVDD_B221 PGate-drivevoltagesupplyGVDD_C1, 4418, 19 PGate-drivevoltagesupplyM1813 IModeselectionpinM2912 IReservedmodeselectionpin. AGND connectionis recommendedM31011 IReservedmodeselectionpin, VREG connectionis recommendedNC3, 4, 19, 20, 25,34, 35, 4226, 27-No connectionpin. Groundconnectionis recommendedOC_ADJ147 OAnalogovercurrentprogrammingpin, requiresresistorto AGNDOTW212 OOvertemperaturewarningsignal,open-drain , internalpullupresistorto VREG( V) is providedon 5-V logiccan beobtainedby addingexternalpullupresistorto 5 VOUT_A2833 OOutput,half-bridgeAOUT_B3130 OOutput,half-bridgeBOUT_C3922 OOutput,half-bridgeC5 DRV8312, MAY2010 REVISEDDECEMBER2014 ProductFolderLinks.

10 DRV8312 DRV8332 SubmitDocumentationFeedbackCopyright 2010 2014,TexasInstrumentsIncorporatedPin Functions(continued)PINI/O TYPE(1)DESCRIPTIONNAMEDRV8312 DRV8332 PVDD_A26, 2734 PPowersupplyinputfor half-bridgeA requiresclosedecouplingcapacitorto half-bridgeB requiresclosedecouplingcapacitorto , 4121 PPowersupplyinputfor half-bridgeC requiresclosedecouplingcapacitorto half-bridgeAPWM_B156 IInputsignalfor half-bridgeBPWM_C516 IInputsignalfor half-bridgeCRESET_A165 IResetsignalfor half-bridgeA, active-lowRESET_B715 IResetsignalfor half-bridgeB, active-lowRESET_C615 IResetsignalfor half-bridgeC, active-lowFAULT183 OFaultsignal.