DRV8711 Stepper Motor Controller IC (Rev. G) - …

1 V to 52 VMCU+ -1/256 stepStepper MotorPre-DriverDIRnFAULTM+ -N-ChannelMOSFETsSenseGate DriveProductFolderOrderNowTechnicalDocum entsTools &SoftwareSupport &CommunityReferenceDesignAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand JUNE2013 REVISEDMAY2017 DRV8711 StepperMotorControllerIC11 Features1 PulseWidthModulation(PWM)MicrosteppingMo torDriver Built-In1/256-StepMicrosteppingIndexer DrivesExternalN-ChannelMOSFETs OptionalSTEP/DIRPins OptionalPWMC ontrolInterfacefor DC Motors FlexibleDecayModes.

2 IncludingAutomaticMixedDecayMode StallDetectionWithOptionalBEMFO utput HighlyConfigurableSPI SerialInterface InternalReferenceand TorqueDAC 8-V to 52-VOperatingSupplyVoltageRange ScalableOutputCurrent ThermallyEnhancedSurface-MountPackage 5-V RegulatorCapableof 10-mALoad Protectionand DiagnosticFeatures OvercurrentProtection(OCP) OvertemperatureShutdown(OTS) UndervoltageLockout(UVLO) IndividualFaultConditionIndicationBits FaultConditionIndicationPin2 Applications OfficeAutomationMachines FactoryAutomation TextileMachines Robotics3 DescriptionTheDRV8711deviceis a steppermotorcontrollerthat usesexternalN-channelMOSFETsto driveabipolarsteppermotoror two brushedDC integrated,whichis capableof step modesfromfull step to 1 ultra-smoothmotionprofilecan be achievedusingadaptiveblankingtimeandvari ouscurrentdecaymodes.

3 Includingan is reportedwith an simplestep/directionor PWMinterfaceallowseasyinterfacingto SPI serialinterfaceis usedto programthe (torque),stepmode,decaymode,and stalldetectionfunctionsare all programmablethroughaSPI ,short-circuitprotection,undervoltageloc kout, indicatedthrougha FAULT npin, andeachfaultconditionis reportedthrougha dedicatedbit DRV8711is packagedin a PowerPAD 38-pinHTSSOP packagewiththermalpad(Eco-friendly:RoHSa nd no Sb/Br).DeviceInformation(1)PARTNUMBERPAC KAGEBODYSIZE(NOM) DRV8711 HTSSOP(38) (1) For all availablepackages,see the orderableaddendumatthe end of the JUNE2013 : DRV8711 SubmitDocumentationFeedbackCopyright 2013 2017,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE.

4 Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (July2016)to RevisionGPage Changedthe descriptionof the SCSpin in thePin Changedthe maximumvoltagesfor the chargepumpvoltage,high-sidegatedrivepin voltage,and phasenodepinvoltagein Changedthe OTSbit descriptionin the ClarifiedUVLObit operationwhendeviceis (March2015)to RevisionFPage Clarifiedthat the SMPLTHbit 10 is a write-onlybit in the Changedthe defaultvaluesfor the OCPTH,OCPDEG,IDRIVEN,and IDRIVEP bits in the AddedtheReceivingNotificationof (January2014)to RevisionEPage AddedESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and (December2013)

5 To RevisionDPage ChangedSTATUSR egisterbit descriptions3 / AIN1 BIN2 SCLKSDATISDATOFAULTnSTALLn / BEMFVnBEMFGNDAOUT1A1 HSA1 LSAISENPAISENNA2 LSA2 HSAOUT2 GNDBOUT1B1 HSB1 LSBISENPBISENNB2 LSB2 HSBOUT2 GND(PPAD)DIR / JUNE2013 REVISEDMAY2017 ProductFolderLinks: DRV8711 SubmitDocumentationFeedbackCopyright 2013 2017,TexasInstrumentsIncorporated(1)Dire ctions:I = input,O = output,OZ = 3-stateoutput,OD = open-drainoutput,IO = input/output5 Pin Configurationand FunctionsDCPP owerPAD Package38-PinHTSSOPTop ViewPin FunctionsPINI/O(1)

6 DESCRIPTIONEXTERNALCOMPONENTSOR , 29,38,PPAD DevicegroundAll pins mustbe connectedto groundVM4 BridgeA powersupplyConnectto GNDwith a Fceramiccapacitorplus a 100- F GNDwith a 1- F regulatoroutput5-V GNDwith a F F X7 RcapacitorbetweenCP1and greaterthanappliedVM 1- F 16-VX7 Rceramiccapacitorto VMCONTROLSLEEPn8 ISleepmodeinputLogichigh to enabledevice,logiclow to enterlow-powersleepmodeSTEP/AIN110 IStepinput/BridgeA IN1 Indexermode:Risingedgecausesthe indexerto moveone :controlsbridgeA IN2 Indexermode:Levelsets the directionof :controlsbridgeA IN1 Indexermode:No functionExternalPWMmode:controlsbridgeB IN2 Indexermode:No functionExternalPWMmode:controlsbridgeB internallogicand disablesthe selectinputActivehigh to to part for of part for JUNE2013 : DRV8711 SubmitDocumentationFeedbackCopyright 2013 2017,TexasInstrumentsIncorporatedPin Functions(continued)PINI/O(1)DESCRIPTION EXTERNALCOMPONENTSOR detectmode:logiclow whenmotorstall detectmode.

7 Activelow whenvalidbackEMFmeasurementis whenin fault :OCP,PDF,OTS, 1-nFlow-leakagecapacitorto groundon this out 1 HS gateConnectto gateof HS FET for bridgeA out 1 AOUT137 IBridgeA output1 Connectto outputnodeof externalFETsof bridgeA out 1A1LS35 OBridgeA out 1 LS gateConnectto gateof LS FET for bridgeA out 1A2HS31 OBridgeA out 2 HS gateConnectto gateof HS FET for bridgeA out 2 AOUT230 IBridgeA output2 Connectto outputnodeof externalFETsof bridgeA out 2A2LS32 OBridgeA out 2 LS gateConnectto gateof LS FET for bridgeA out 2 AISENP34 IBridgeA Isense+ inConnectto

8 Currentsenseresistorfor bridgeAAISENN33 IBridgeA Isense inConnectto groundat currentsenseresistorfor bridgeAB1HS27 OBridgeB out 1 HS gateConnectto gateof HS FET for bridgeB out 1 BOUT128 IBridgeB output1 Connectto outputnodeof externalFETsof bridgeB out 1B1LS26 OBridgeB out 1 LS gateConnectto gateof LS FET for bridgeB out 1B2HS22 OBridgeB out 2 HS gateConnectto gateof HS FET for bridgeB out 2 BOUT221 IBridgeB output2 Connectto outputnodeof externalFETsof bridgeB out 2B2LS23 OBridgeB out 2 LS gateConnectto gateof LS FET for bridgeB out 2 BISENP25 IBridgeB Isense+ inConnectto currentsenseresistorfor bridgeBBISENN24 IBridgeB Isense inConnectto groundat currentsenseresistorfor JUNE2013 REVISEDMAY2017 ProductFolderLinks.

9 DRV8711 SubmitDocumentationFeedbackCopyright 2013 2017,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions. Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)All voltagevaluesare with respectto networkgroundterminal.(3)Powerdissipatio nand thermallimitsmustbe (unlessotherwisenoted)(1)(2)(3)MINMAXUNI TP owersupplyvoltage (CP2,VCP) + 12 VChargepumpvoltage(CP1) + regulatorvoltage(V5) (VINT) voltage(SLEEPn,RESET,STEP/AIN1,DIR/AIN2, BIN1,BIN2,SCS,SCLK,SDATI,SDATO,FAULTn,ST ALLn/BEMFVn) voltage(A1HS,A2HS,B1HS,B2HS) + 12 VLow-sidegatedrivepin voltage(A1LS,A2LS,B1LS,B2LS) voltage(AOUT1,AOUT2,BOUT1,BOUT2) + voltage(AISENP,AISENN,BISENP,BISENN) voltage(BEMF)

10 ,TJ 40150 CStoragetemperature,Tstg 60150 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHumanbodymode l(HBM),per ANSI/ESDA/JEDECJS-001(1) 4000 VChargeddevicemodel(CDM),per JEDEC specificationJESD22-C101(2) (unlessotherwisenoted)MINNOMMAXUNITVMM otorpowersupplyvoltage852 VIVSV5 externalload current010mATAO peratingambienttemperature-4085 C(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC (1) DRV8711 UNITDCP(HTSSOP)38 PINSR C/WR JC(top)