DRV8802 DC Motor Driver IC - TI.com

1 PHASEC urrent LvlDecay V to 45 VControllerM+ + DRV8802 Current ControlStepper Motor AENBLnFAULTP roductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityDRV8802 SLVSAM9D APRIL2011 REVISEDDECEMBER2015 DRV8802DC MotorDriverIC1 Features3 DescriptionTheDRV8802providesan integratedmotordriver1 45-VOperatingSupplyVoltageRangesolutionf or printers,scanners,and otherautomated devicehas two H-bridge DriveTwo DC Motorsdrivers,andis intendedto driveDC eachconsistsof N-channel BrakeModepowerMOSFET s configuredas H-bridgesto drive FourLevelWindingCurrentControlthe DRV8802can supplyup to 24 V and (withproper25 Cheatsinkingat 24 V and 25 C) per H-bridge.

2 IndustryStandardParallelDigitalControlIn terfaceA simpleparalleldigitalcontrolinterfaceis compatible Low allowbrakingor coastingof the SmallPackageFootprintInternalshutdownfun ctionsare providedfor over ProtectionFeaturescurrentprotection,shor tcircuitprotection,under OvercurrentProtection(OCP)voltagelockout and overtemperature. ThermalShutdown(TSD)TheDRV8802is availablein a 28-pinHTSSOP VM UndervoltageLockout(UVLO)packagewith PowerPAD (Eco-friendly:RoHS& no FaultConditionIndicationPin (nFAULT)Sb/Br). ThermallyEnhancedSurfaceMountPackageDevi ceInformation(1)PARTNUMBERPACKAGEBODYSIZ E(NOM)2 ApplicationsDRV8802 HTSSOP(28) Printers(1) For all availablepackages,see the orderableaddendumat Scannersthe end of the datasheet.

3 OfficeAutomationMachines GamingMachines FactoryAutomation RoboticsSimplifiedSchematic1An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand APRIL2011 Contents1 Applicationand Pin Configurationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (August2013)to RevisionDPage AddedESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,ApplicationandImplem entationsection,PowerSupplyRecommendatio nssection,Layoutsection,DeviceandDocumen tationSupportsection,andMechanical,Packa ging, 2011 2015,TexasInstrumentsIncorporatedProduct FolderLinks.

4 DRV8802123456789101112131415161718192827 26252423222120 GND(PPAD) APRIL2011 REVISEDDECEMBER20155 Pin Configurationand FunctionsPWPP ackage28-PinPackageTop ViewPin FunctionsPINEXTERNALCOMPONENTSI/O(1)DESC RIPTIONOR CONNECTIONSNAMEPINPOWERANDGROUNDCP11 IOChargepumpflyingcapacitorConnecta F 50-VcapacitorbetweenCP1and , 28 DevicegroundConnecta F 16-VceramiccapacitorandVCP3 IOHigh-sidegatedrivevoltagea 1-M resistorto BridgeA powersupplyConnectto motorsupply( V to 45 V). Bothpins mustbe connectedto the samesupply,bypassedwith a F capacitorto GND,VMB11 BridgeB powersupplyand connectedto GNDwith a F, be usedto enableLogichigh to enablebridgeAAI024 ISetsbridgeA current:00 = 100%,BridgeA currentset01 = 71%,10 = 38%,11 = 0AI125 IAPHASE20 IBridgeA phase(direction)Logichigh sets AOUT1high,AOUT2lowReferencevoltagefor be drivenindividuallywith an externalAVREF12 IBridgeA currentset referenceinputDACfor microstepping,or tied to a reference(for example,V3P3 OUT).

5 BENBL22 IBridgeB enableLogichigh to enablebridgeBBI026 ISetsbridgeB current:00 = 100%,BridgeB currentset01 = 71%,10 = 38%,11 = 0BI127 IBPHASE23 IBridgeB phase(direction)Logichigh sets BOUT1high,BOUT2lowReferencevoltagefor be drivenindividuallywith an externalBVREF13 IBridgeB currentset referenceinputDACfor microstepping,or tied to a reference(for example,V3P3 OUT).Low = brake(slowdecay),DECAY19 IDecay(brake)modehigh = coast(fastdecay)Active-lowresetinputinit ializesinternallogicnRESET16 IResetinputand disablesthe H-bridgeoutputs(1)Directions:I = input,O = output,OZ = tri-stateoutput,OD = open-drainoutput,IO = input/outputCopyright 2011 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks.

6 DRV8802 DRV8802 SLVSAM9D APRIL2011 Functions(continued)PINEXTERNALCOMPONENT SI/O(1)DESCRIPTIONOR CONNECTIONSNAMEPINL ogichigh to enabledevice,logiclow to enternSLEEP17 ISleepmodeinputlow-powersleepmodeSTATUSL ogiclow whenin fault condition(overtemp,nFAULT18 ODFaultovercurrent)OUTPUTAOUT15 OBridgeA output1 Connectto motorwindingAAOUT27 OBridgeA output2 BOUT110 OBridgeB output1 Connectto motorwindingBBOUT28 OBridgeB output2 ISENA6 IOBridgeA ground/ IsenseConnectto currentsenseresistorfor bridgeAISENB9 IOBridgeB ground/ IsenseConnectto currentsenseresistorfor bridgeB6 (unlessotherwisenoted)(1) (2)MINMAXUNITVMxPowersupplyvoltage sDigitalpin voltage voltage(3) ,t < 1 SInternallylimitedAContinuousmotordriveo utputcurrent(4) 40150 CTAO peratingambienttemperature 4085 CTstgStoragetemperature 60150 C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.

7 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)All voltagevaluesare with respectto networkgroundterminal.(3)Transientsof 1 V for less than25 ns are acceptable(4)Powerdissipationand thermallimitsmustbe (HBM),per ANSI/ESDA/JEDECJS-001,all pins(1) 2000V(ESD)ElectrostaticdischargeVCharged devicemodel(CDM),per JEDEC specificationJESD22-C101, 500all pins(2)(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a 2011 2015, APRIL2011 (unlessotherwisenoted)MINNOMMAXUNITVMM otorpowersupplyvoltagerange(1) (2) current1mA(1)All VMpins mustbe connectedto the samesupplyvoltage.

8 (2)Operationalat VREF between0 V and 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, 2011 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks: DRV8802 DRV8802 SLVSAM9D APRIL2011 (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITPOWERSUPPLIESIVMVM operatingsupplycurrentVM= 24 V, fPWM< 50 kHz58mAIVMQVM sleepmodesupplycurrentVM= 24 V1020 AVUVLOVM 0 to 1 mA, VM= 24 V, TJ= 25 0 to 1 currentVIN = 0 2020 AIIHI nputhigh currentVIN = V100 AnFAULTOUTPUT(OPEN-DRAINOUTPUT)VOLO utputlow voltageIO= 5 leakagecurrentVO= V1 ADECAYINPUTVILI nputlow thresholdvoltageFor thresholdvoltageFor fast decaymode2 VIINI nputcurrent 40 AH-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)

9 LS FET on resistance VM= 24 V, IO= 1 A, TJ= 85 2020 stRRisetimeVM= 24 V100360nstFFall timeVM= 24 sPROTECTIONCIRCUITSIOCPO vercurrentprotectiontrip temperature150160180 CCURRENTCONTROLIREFxVREF inputcurrentxVREF= V 33 AxVREF= V, 100%currentsetting635660685 VTRIPxISENSE trip voltagexVREF= V, 71%currentsetting445469492mVxVREF= V, 38%currentsetting225251276 AISENSEC urrentsenseamplifiergainReferenceonly5V/ V6 SubmitDocumentationFeedbackCopyright 2011 2015,TexasInstrumentsIncorporatedProduct FolderLinks:DRV8802800100012001400160018 0020001015202530354045 RDS(ON) HS + LS (m ) V(VMx) (V) -40 C25 C85 C125 CC003 800100012001400160018002000 50 25 0255075100125 RDS(ON) HS + LS (m ) TA ( C) 10 V24 V45 VC004 (mA) V(VMx) (V) 25 C85 C125 CC001 678910111213141015202530354045 IVMQ ( A) V(VMx) (V) -40 C25 C85 C125 CC002 APRIL2011 IVMxvs V(VMx)Figure2.

10 IVMxQvs V(VMx)Figure4. RDS(ON)vs TemperatureFigure3. RDS(ON)vs V(VMx)Copyright 2011 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLinks: DRV8802 DRV8802 SLVSAM9D APRIL2011 DRV8802is an integratedmotordriversolutionfor two brushedDC deviceintegratestwoNMOSH-bridges,current sense,regulationcircuitry,and detailedfault DRV8802can be poweredwith a V to 45 V and is capableof providingan outputcurrentup to PHASE/ENBL interfaceallowsfor simpleinterfacingto the windingcurrentcontrolallowsthe externalcontrollerto adjustthe regulatedcurrentthat is providedto the currentregulationishighlyconfigurable,wi th two decaymodesof slowdecaycan be selecteddependingon low-powersleepmodeis includedwhichallowsthe systemto savepowerwhennot drivingthe 2011 2015,TexasInstrumentsIncorporatedProduct FolderLinks.