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). PrintersDeviceInformation(1) ScannersPARTNUMBERPACKAGEBODYSIZE(NOM) OfficeAutomationMachinesDRV8840 HTSSOP(28) GamingMachines(1) For all availablepackages,see the orderableaddendumat FactoryAutomationthe end of the datasheet.

3 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: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.

4 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). 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).

5 Internalpulldownand 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: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)

6 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.(2)All voltagevaluesare with respectto networkgroundpin.(3)Transientsof 1 V for less than25 ns are acceptable.

7 (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.(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.

8 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)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)

9 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)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.

10 IVMxQvs V(VMx)Figure4. RDS(ON)vs TemperatureFigure3. RDS(ON)vs V(VMx)Copyright 2010 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLinks:DRV8840 DRV8840 SLVSAB7D MAY2010 DRV8840is an integratedmotordriversolutionfor printers,scanners,and deviceintegratesa singleNMOSH-bridge,chargepump,currentsen se,currentregulation, DRV8828can be poweredfroma V to 45 V, and iscapableof providinga continuousoutputcurrentup to 5 simplePHASE/ENBL interfaceallowsfor easyinterfacingto an 5 bit currentcontrolschemeallowsfor up to 32 currentregulationmethodis adjustablebetweenslowandfast deviceto monitorand protectagainstovercurrent,undervoltage.