DRV8829 5-A 45-V Single H-Bridge Motor Driver

1 PHASEC urrent scalarDecay to 45 VControllerDRV8829 Single H-Bridge Motor Driver5 AENBLBDCBDCC urrent RegProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityDRV8829 SLVSA74E MAY2010 REVISEDSEPTEMBER2015 DRV88295-A 45-V SingleH-BridgeMotorDriver1 Features3 DescriptionThe DRV8829is a brushed-DCmotoror 1/2 bipolar1 SingleH-BridgePWMM otorDriverstepperdriverfor device SingleBrushed-DCMotorDriveroutputstageco nsistsof an N-channelpower 1/2 DRV8829is capableofdrivingup to 5-A peakcurrentor current 5-A peakor OutputCurrent(withproperprinted-circuit- boardgroundplanefor to 45-VOperatingSupplyVoltageRangethermaldi ssipationand at 24 V and TA= 25 C). SimplePH/ENControlInterfaceThe PH/ENpinsprovidea simplecontrolinterface. MultipleDecayModesAn internalsenseamplifierallowsfor adjustable low-powersleepmodeis providedfor verylowquiescentcurrentstandbyusinga FastDecaymodecan be set to slow,fast, or mixeddecay.

2 Low-CurrentSleepMode(10 A)Internalprotectionfunctionsareprovided for SmallPackageand Footprintundervoltage,overcurrent,short- circuits,and 28 HTSSOP(PowerPAD) indicatedby aSPACEnFAULTpin. ProtectionFeaturesDeviceInformation(1) VM UndervoltageLockout(UVLO)PARTNUMBERPACKA GEBODYSIZE(NOM) OvercurrentProtection(OCP) DRV8829 HTSS0P(28) ThermalShutdown(TSD)(1) For all availablepackages,see the orderableaddendumat FaultConditionIndicationPin (nFAULT)the end of the Applications AutomaticTellerand MoneyHandlingMachines VideoSecurityCameras Multi-FunctionPrintersand Scanners OfficeAutomationMachines GamingMachines FactoryAutomationand Robotics StageLightingEquipmentSimplifiedSchemati c1An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand MAY2010 Contents1 Applicationand Pin Configurationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE.

3 Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (June2015)to RevisionEPage Increasedthe powersupplyvoltagemaximumto 50 ..5 ChangesfromRevisionC (August2013)to RevisionDPage AddedESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,ApplicationandImplem entationsection,PowerSupplyRecommendatio nssection,Layoutsection,DeviceandDocumen tationSupportsection,andMechanical,Packa ging, 2010 2015,TexasInstrumentsIncorporatedProduct FolderLinks:DRV8829128 GNDCP12CP13 VCP4VM5 OUT16 OUT27 OUT28 OUT19 ISEN10VM11 VREF1227I426I325I224I123I022NC21 ENBL20 PHASE19 DECAY18nFAULT17nSLEEPP owerPAD - MAY2010 REVISEDSEPTEMBER20155 Pin Configurationand FunctionsPWPP ackage28-PinHTSSOPTop ViewPin FunctionsPINEXTERNALCOMPONENTSI/O(1)DESC RIPTIONOR , 28 DevicegroundConnectto motorsupply( V to 45 v ). BothpinsVM4, 11 Bridgepowersupplymustbe connectedto GNDwith a F to be usedto F to 50-VcapacitorbetweenCP1and F to 16-VceramiccapacitorandVCP3 IOHigh-sidegatedrivevoltage1-M resistorto to sets OUT1high,OUT2low.

4 InternalPHASE20 IBridgephase(direction) a percentageof = slowdecay,open= mixeddecay,DECAY19 IDecaymodehigh = fast decayInternalpulldownand to enabledevice,logiclow to windingcurrentset. BothVREF12, 13 ICurrentset referenceinputpins mustbe connectedtogetheron the whenin fault conditionnFAULT18 ODFault(overtemperature,overcurrent)(1)D irections:I = input,O = output,OZ = tri-stateoutput,OD = open-drainoutput,IO = input/outputCopyright 2010 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks: DRV8829 DRV8829 SLVSA74E MAY2010 Functions(continued)PINEXTERNALCOMPONENT SI/O(1)DESCRIPTIONOR mustISEN6, 9 IOBridgeground/ Isensebe connectedtogetheron the , 10 OBridgeoutput1 Connectto mustbeconnectedtogetheron the , 8 OBridgeoutput24 SubmitDocumentationFeedbackCopyright 2010 2015, MAY2010 REVISEDSEPTEMBER20156 (unlessotherwisenoted)(1) (2)MINMAXUNITVMP owersupplyvoltage voltage voltage ,t < 1 sInternallylimitedAContinuousmotordriveo utputcurrent(3)5 AContinuoustotal powerdissipationSeeThermalInformationTJO peratingvirtualjunctiontemperature 40150 CTAO peratingambienttemperature 4085 CTstgStoragetemperature 60150 C(1)

5 StressesbeyondthoselistedunderAbsoluteMa ximumRatingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute maximum ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)All voltagevaluesare with respectto networkgroundterminal.(3)Powerdissipatio nand thermallimitsmustbe (HBM),per ANSI/ESDA/JEDECJS-001,all pins(1) 2000V(ESD)ElectrostaticdischargeVCharged devicemodel(CDM),per JEDEC specificationJESD22-C101,all 500pins(2)(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (unlessotherwisenoted)MINNOMMAXUNITVMM otorpowersupplyvoltagerange(1) (2) current01mAfPWME xternallyappliedPWMfrequency0100kHz(1)Al l VMpins mustbe connectedto the samesupplyvoltage.

6 (2)Operationalat VREF from0 V to 1 V, but accuracyis (1)PWP(HTSSOP)UNIT28 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/WR JC(bot)Junction-to-case(bottom) C/W(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorandICPackageThermalMetri csapplicationreport, 2010 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks: DRV8829 DRV8829 SLVSA74E MAY2010 (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITPOWERSUPPLIESIVMVM operatingsupplycurrentVM= 24 V, fPWM< 50 kHz58mAIVMQVM sleepmodesupplycurrentVM= 24 V1020 AVUVLOVM 0 to 1 currentVIN = 0 2020 AIIHI nputhigh currentVIN = V100 ARPDI nternalpulldownresistance100k nFAULTOUTPUT(OPEN-DRAINOUTPUT)VOLO utputlow voltageIO= 5 leakagecurrentVO= V1 ADECAYINPUTVILI nputlow thresholdvoltageFor thresholdvoltageFor fast decaymode2 VIINI nputcurrent 40 ARPUI nternalpullupresistance130k RPDI nternalpulldownresistance80k H-BRIDGEFETSVM= 24 V, IO= 1 A, TJ= 25 (ON)HS FET on resistance VM= 24 V, IO= 1 A, TJ= 85 24 V, IO= 1 A, TJ= 25 (ON)

7 LS FET on resistance VM= 24 V, IO= 1 A, TJ= 85 4040 stRRisetime30200nstFFall time30200nsPROTECTIONCIRCUITSIOCPO vercurrentprotectiontrip level66 AtTSDT hermalshutdowntemperatureDie temperature150160180 CCURRENTCONTROLIREFVREF inputcurrentVREF= V 33 AVTRIPISENSE trip voltageVREF= V, 100%currentsetting635660685mVVREF= , 5% - 34%currentsetting 15%15%VREF= V, 38%- 67%currentCurrenttrip accuracy 10%10% ITRIP setting(relativeto programmedvalue)VREF= V, 71%- 100%current 5%5%settingAISENSEC urrentsenseamplifiergainReferenceonly5V/ V6 SubmitDocumentationFeedbackCopyright 2010 2015,TexasInstrumentsIncorporatedProduct FolderLinks:DRV8829V(VMx) (V)IVM (mA) (VMx) (V)IVMQ (2A) MAY2010 ActiveSupplyCurrentOverSupplyVoltageandF igure2. SleepCurrentOverSupplyVoltageandTemperat ureTemperatureCopyright 2010 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 FbulkPower CP2 CP1 LDO FCharge F1 mAControl InputsPHASEENBLnSLEEP OutputnFAULT GND GND PPADnRESET F+VMISEN RSENSEPWMGate DriveAnalog InputsVREFP rotectionOvercurrentUndervoltageThermalC ore LogicVM VREF DECAYI[4:0] BDC DACVREFI[4.]

8 0]VM+-OUT1 OUT1 OUT2 OUT2 AISEN1 M DRV8829 SLVSA74E MAY2010 DRV8829is an integratedmotordriversolutionfor bipolarsteppermotorsor deviceintegratesan NMOSH-bridgeand DRV8829can be poweredwith to 45 v , and is capableof providingan outputcurrentup to 5-A peakor currentwill dependon ambienttemperature,supplyvoltage,and simplePH/ENinterfaceallowseasyinterfacin gto the currentregulationis highlyconfigurable,with severaldecaymodesof decaymodecan beselectedas a fixedslow,mixed,or fast currentscalarfeatureallowsthe controllerto scalethe outputcurrentwithoutneedingto scalethe DACis controllerto savepowerby decreasingthe currentconsumptionwhennot low-powersleepmodeis includedwhichallowsthe systemto savepowerwhennot drivingthe 2010 2015, MAY2010 DRV8829containsone H-bridgemotordriverwith showsa blockdiagramof the bipolarsteppermotoris shown,but the drivercan also drivea DC MotorControlCircuitryThereare multipleVM, ISEN,OUT,and like-namedpins mustbe connectedtogetheron the currentis enabledin the H-Bridge ,the voltageon the ISENpin is ignoredfor a fixedperiodof timebeforeenablingthe blankingtime is fixedat s.

9 The blankingtime also sets theminimumon time of the nSLEEPO perationThe nRESETpin, whendrivenactivelow, resetsthe also disablesthe inputsare ignoredwhilenRESETis will put the deviceinto a this state,the H-bridgeis disabled,thegatedrivechargepumpis stopped,the V3P3 OUTregulatoris disabled,and all internalclocksare stateall inputsare ignoreduntil ,sometime(approximately1 ms) needsto passbeforethe approximately100 k . Thesesignalsneedto be drivento logichighfor DRV8829is fully protectedagainstundervoltage,overcurrent and (OCP)An analogcurrentlimit circuiton eachFETlimitsthe currentthroughthe FETby removingthe thisanalogcurrentlimitpersistsfor longerthanthe OCPtime,all FETsin the H-bridgewill be disabledand thenFAULTpin will be devicewill remaindisableduntileithernRESETpin is applied,or VM isremovedand bothhigh and low side devices;that is, a shortto ground,supply,or acrossthe motorwindingwill all resultin an overcurrentprotectiondoesnot use the currentsensecircuitryusedfor PWMcurrentcontrol,and is independentof the ISENSE resistorvalueor 2010 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback9 ProductFolderLinks:DRV8829I=CHOPVREFX5 RISENSE DRV8829 SLVSA74E MAY2010 (continued) (TSD)If the die temperatureexceedssafelimits,all FETsin the H-bridgewill be disabledand the nFAULTpin will bedrivenlow.

10 Oncethe die temperaturehas fallento a safe leveloperationwill (UVLO)If at any time the voltageon the VM pins falls belowthe undervoltagelockoutthresholdvoltage,all circuitryin thedevicewill be disabledand internallogicwill be resumewhenVMrisesabovethe currentthroughthe motorwindingis regulatedby a fixed-frequencyPWMcurrentregulation,or H-bridgeis enabled,currentrisesthroughthe windingat a rate dependenton the DCvoltageand inductanceof the currenthits the currentchoppingthreshold,the bridgedisablesthe currentuntil the beginningof the next steppingmotors,currentregulationis normallyusedat all times,and can changingthe currentcan be usedto microstepthe DC motors,currentregulationis usedto limit the start-upand stall currentof the currentregulationfeatureis not needed,it can be disabledby connectingthe ISENSE pinsdirectlytogroundand the VREF pins to PWMchoppingcurrentin eachbridgeis set by a comparatorwhichcomparesthe voltageacrossa currentsenseresistorconnectedto the ISENpin, multipliedby a factorof 5, with a referencevoltageis inputfromthe xVREF pins,and is scaledby a 5-bitDACthat allowscurrentsettingsof zeroto 100%inan full-scale(100%)choppingcurrentis calculatedin Equation1.