DC Motor Driver IC (Rev. D) - TI.com

1 To 45 VDRV8840H-Bridge Motor DriverENBLPHASEnFAULTC ontrollerCurrent ControlCurrent Control5 ADecay Mode+-ProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityDRV8840 SLVSAB7D MAY2010 REVISEDDECEMBER2015 DRV8840DC MotorDriverIC1 Features3 DescriptionTheDRV8840providesan integratedmotordriver1 SingleH-BridgeCurrent-ControlMotorDriver solutionfor printers,scanners,and otherautomated devicehas one H-bridge Five Bit CurrentControlAllowsup to 32 Currentdriver,and is intendedto driveone DC eachconsistsof N-channelpowerMOSFET sconfiguredas full H-bridgesto drive Low MOSFETRDS(on) (HS + LS)the DRV8840can supplyup to 5-A MaximumDriveCurrentat 24 V, TA= 25 C5-Apeakor (withproper 24 V and 25 C).

2 ParallelDigitalControlInterfaceA simpleparalleldigitalcontrolinterfaceis compatible allowbrakingor coastingof the ProtectionFeatures:motorwhendisabled. OvercurrentProtection(OCP)Internalshutdo wnfunctionsareprovidedfor ThermalShutdown(TSD)overcurrentprotectio n,short-circuitprotection, VM UndervoltageLockout(UVLO)undervoltageloc kout,and overtemperature. FaultConditionIndicationPin (nFAULT)TheDRV8840is availablein a 28-pinHTSSOP packagewith PowerPAD (Eco-friendly:RoHS& no2 ApplicationsSb/Br).

3 PrintersDeviceInformation(1) ScannersPARTNUMBERPACKAGEBODYSIZE(NOM) OfficeAutomationMachinesDRV8840 HTSSOP(28) GamingMachines(1) For all availablepackages,see the orderableaddendumat FactoryAutomationthe end of the datasheet. RoboticsSimplifiedSchematic1An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand MAY2010 Contents1 Applicationand Pin Configurationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE.

4 Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (August2013)to RevisionDPage AddedPinConfigurationandFunctionssection ,ESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,ApplicationandImplem entationsection,PowerSupplyRecommendatio nssection,Layoutsection,DeviceandDocumen tationSupportsection,andMechanical,Packa ging, AddedMIN valuefor ISENSE xrow from V to V ..42 SubmitDocumentationFeedbackCopyright 2010 2015,TexasInstrumentsIncorporatedProduct FolderLinks:DRV8840123456789101112131415 16171819282726252423222120 GND(PPAD) MAY2010 REVISEDDECEMBER20155 Pin Configurationand FunctionsPWPP ackage28-PinHTSSOPTop ViewPin FunctionsPINEXTERNALCOMPONENTSI/O(1)DESC RIPTIONOR , 28 DevicegroundConnectto motorsupply( - 45 V).

5 BothVM4, 11 BridgeA powersupplypins mustbe connectedto GNDwith a F, be usedto F 50-VcapacitorbetweenCP1and F 16-VceramiccapacitorandVCP3 IOHigh-sidegatedrivevoltagea 1-M resistorto sets OUT1high, (direction) to a percentageof full-I225 ICurrentset = brake(slowdecay),high = coast(fastDECAY19 IDecay(brake)modedecay).Internalpulldown and logicandnRESET16 IResetinputdisablesthe to enabledevice,logiclow to ,13 ICurrentset referenceinputBothpins mustbe connectedtogetheron thePCB.(1)Directions:I = input,O = output,OZ = tri-stateoutput,OD = open-drainoutput,IO = input/outputCopyright 2010 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks.

6 DRV8840 DRV8840 SLVSAB7D MAY2010 Functions(continued)PINEXTERNALCOMPONENT SI/O(1)DESCRIPTIONOR whenin fault conditionnFAULT18 ODFault(overtemperature,overcurrent)OUTP UTC onnectto , 9 IOBridgeground/ Isensemustbe connectedtogetheron the mustbeOUT15, 10 OBridgeoutput1connectedtogetheron the mustbeOUT27, 8 OBridgeoutput2connectedtogetheron the (unlessotherwisenoted)(1)(2)MINMAXUNITVM xPowersupplyvoltage voltage voltage(3) ,t < 1 SInternallylimitedAContinuousmotordriveo utputcurrent(4)05 AContinuoustotal powerdissipationSeeThermalInformationTJO peratingvirtualjunctiontemperature 40150 CTAO peratingambienttemperature 4085 CTstgStoragetemperature 60150 C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute maximum ratedconditionsfor extendedperiodsmay affectdevicereliability.

7 (2)All voltagevaluesare with respectto networkgroundpin.(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,all 500pins(2)(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (unlessotherwisenoted)MINMAXUNITVMM otorpowersupplyvoltage(1) (2) current01mAfPWME xternallyappliedPWMfrequency0100kHz(1)Al l VMpins mustbe connectedto the samesupplyvoltage.

8 (2)Operationalat VREF between0 V and 1 V, but accuracyis 2010 2015, MAY2010 (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:DRV8840 DRV8840 SLVSAB7D MAY2010 (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITPOWERSUPPLIESIVMVM operatingsupplycurrentVM= 24 V, fPWM< 50 kHz58mAIVMQVM sleepmodesupplycurrentVM= 24 V1020 AVUVLOVM 0 to 1 currentVIN = 0 2020 AIIHI nputhigh currentVIN = V33100 ARPDI nternalpulldownresistance100k nFAULTOUTPUT(OPEN-DRAINOUTPUT)VOLO utputlow voltageIO= 5 leakagecurrentVO= V1 ADECAYINPUTVILI nputlow thresholdvoltageFor slowdecay(brake) thresholdvoltageFor fast decay(coast)

9 Mode2 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)LS FET on resistance VM= 24 V, IO= 1 A, TJ= 85 4040 stRRisetime30200nstFFall time30200nsPROTECTIONCIRCUITSIOCPO vercurrentprotectiontrip level6 AtTSDT hermalshutdowntemperatureDie temperature150160180 CCURRENTCONTROLIREFVREF inputcurrentVREF= V 33 AVTRIPISENSE trip voltageVREF= V, 100%currentsetting635660685mVVREF= V, 5% currentsetting 25%25%VREF= V, 10%- 34%currentsetting 15%15%Currenttrip accuracy ITRIP(relativeto programmedvalue)

10 VREF= V, 38%- 67%currentsetting 10%10%VREF= V, 71%- 100%currentsetting 5%5%AISENSEC urrentsenseamplifiergainReferenceonly5V/ V6 SubmitDocumentationFeedbackCopyright 2010 2015,TexasInstrumentsIncorporatedProduct FolderLinks:DRV8840150200250300350400813 182328333843 RDS(ON) HS + LS (m ) V(VMx) (V) -40 C25 C85 C125 CC001 150175200225250275300325350 50 25 0255075100125 RDS(ON) HS + LS (m ) TA ( C) 8 V24 V45 VC002 V(VMx) (V)IVM (mA) (VMx) (V)IVMQ (PA) MAY2010 IVMxvs V(VMx)Figure2. IVMxQvs V(VMx)Figure4.