User's Guide SLVU681A–February2012–RevisedJuly2019 DRV8818EVM Evaluation Module This document serves as a supplement to the DRV8818 data sheet. It details the hardware implementationoftheDRV8818EVMevaluationmodule(EVM). Contents 1 BlockDiagram................................................................................................................ 3 1.1 Introduction.......................................................................................................... 3 1.2 PowerConnectors.................................................................................................. 3 1.3 TestStakes.......................................................................................................... 3 1.4 Jumpers.............................................................................................................. 4 1.5 MotorOutputs....................................................................................................... 4 2 GUISoftwareInstallation .................................................................................................. 4 2.1 SystemRequirements.............................................................................................. 4 2.2 InstallationProcedure.............................................................................................. 4 3 MenuOptions .............................................................................................................. 15 4 WindowsApplication....................................................................................................... 17 4.1 ConnectingtheEVM.............................................................................................. 18 4.2 InitialConfiguration................................................................................................ 18 4.3 OperatingtheGUI................................................................................................. 19 5 SchematicandBillofMaterials........................................................................................... 22 5.1 Schematics......................................................................................................... 22 5.2 BillofMaterials.................................................................................................... 24 ListofFigures 1 Setup_DRV8818_EVM.exe................................................................................................. 5 2 InstallationInitialization..................................................................................................... 5 3 LicenseAgreement.......................................................................................................... 6 4 NILicenseAgreement...................................................................................................... 6 5 InstallationDirectoryScreen............................................................................................... 7 6 ComponentSelection....................................................................................................... 7 7 Configure Proxy.............................................................................................................. 8 8 ReadytoInstall .............................................................................................................. 8 9 DownloadingRTE........................................................................................................... 9 10 LabVIEWRTESelfExtraction............................................................................................. 9 11 LabVIEWRTEInstallationInitialization ................................................................................. 10 12 InstallationofLabVIEWRTEinProgress............................................................................... 11 13 FTDIInstallationInitialization............................................................................................. 12 14 DriverInstallationWizard.................................................................................................. 12 15 LicenseAgreementforFTDIDriver...................................................................................... 13 16 DriverInstallationCompletion............................................................................................ 14 17 InstallationComplete...................................................................................................... 14 18 ReadmeWindow........................................................................................................... 15 19 FileMenu.................................................................................................................... 15 20 DebugMenu................................................................................................................ 16 SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 1 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com 21 Schematic................................................................................................................... 16 22 HelpMenu .................................................................................................................. 16 23 AboutPage ................................................................................................................. 17 24 DRV8818EVM.exeMainScreen......................................................................................... 18 25 Schematic1of2........................................................................................................... 22 26 Schematic2of2 ........................................................................................................... 23 Trademarks Alltrademarksarethepropertyoftheirrespectiveowners. 2 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com BlockDiagram 1 Block Diagram VM Power Test Stakes s t u p t u O r DRV8818 o t o M USB MSP430F1612 1.1 Introduction TheDRV8818EVMisacompletesolutionforevaluatingtheDRV8818micro-stepping,bipolarstepper driver.ItincludesaUSBlinktoprovideeasycontrolfromapersonalcomputer(PC),aMSP430 microcontrollerthatinterpretsserialcommandsfromthePCandgeneratescontrolsignalstothedriver device,andtheDRV8818devicewithaccesstoallsignalsforacompleteevaluation. 1.2 Power Connectors TheDRV8818EVMusesacombinationofterminalblocksandtestclipsfortheapplicationandmonitoring ofpower.TheonlypowerrailthattheusermustsupplyisVMforthedevice’spowerstage.VDDforlogic levelsisinternallygeneratedfromtheUSBconnection. UsersmustapplyVM(8Vto35V)accordingtodatasheetrecommendedparameters. 1.3 Test Stakes Everypinonthedevicehasbeenbroughtouttoateststake.Alabelonthesilkscreenidentifieseach signal. SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 3 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

BlockDiagram www.ti.com 1.4 Jumpers TwostylesofjumpersareontheDRV8818EVM:two-pinjumpersandthree-pinjumpers. Userscanconfigurethree-pinjumpersindependentlyfromothertwo-orthree-pinjumpers.However,two- pinjumpersmustallbeclosedorleftopen. 1.4.1 VREFSELECT,JP1 ToconfiguretheVREFSELECTjumper:(a)SelectananalogvoltagederivedfromVDDthroughavoltage dividerimplementedasapotentiometerR4.(b)SelectananalogvoltagederivedfromtheMSP430’s digital-to-analogconverter(DAC)channel0(DAC0).Setasthefollowinginsetshowsin(b)ifyouwantto usetheGUItocontroltheVREFvoltage. T T T T O N O N P I P I (a) (b) 1.4.2 DECAYSELECT,JP6 ToconfiguretheDECAYSELECTjumper:(a)SelectananalogvoltagederivedfromVDDthrougha voltagedividerimplementedasapotentiometerR6.(b)Selectananalogvoltagederivedfromthe MSP430’sDACchannel1(DAC1).Setasthefollowinginsetshowsin(b)ifyouwanttousetheGUIto controltheDECAYmodes. T T T T O N O N P I P I (a) (b) 1.5 Motor Outputs UserscanconnectthebipolarsteppermotorintotheDRV8818EVMinthreeways:four-pinheader(J2), four-positionterminalblock(J3),ortestclips.Eachconnectionstyleoffersidenticalconnectivitytothe device’soutputterminals.Therecommendedway,however,istousetheheaderorterminalblock becausetheteststakestracesareoflow-currenthandlingcapability. 2 GUI Software Installation Thefollowingsectionexplainsthelocationoffilesandtheprocedureforinstallingthesoftwarecorrectly. NOTE: EnsurethatnoUSBconnectionsaremadetotheEVMuntiltheinstallationiscompleted. TheinstallerwillalsoinstallLabVIEWRTE2014andFTDIDriver,alongwiththeGUI. 2.1 System Requirements • SupportedOS– Windows7(32Bit,64Bit).ThewindowtextsizeshouldbeSmaller-100%(Default) • RecommendedRAM-4GBorhigher • RecommendedCPUOperatingSpeed –3.3GHzorhigher 2.2 Installation Procedure ThefollowingprocedurehelpsyouinstalltheDRV8818GUI 1. DoubleclickontheSetup_DRV8818_EVM.exeasshowninFigure1. 4 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com GUISoftwareInstallation Figure1.Setup_DRV8818_EVM.exe 2. ThescreenshowninFigure2appears,indicatinginstallerinitialization.Clickthe Nextbutton. Figure2.InstallationInitialization 3. Inthenewlyopeninstallationpop-upwindow,clickNext.Thelicenseagreementwillbedisplayed. Please,readthroughitcarefullyandenablethe"IAccepttheAgreement"radiobuttonandpress Next. SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 5 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

GUISoftwareInstallation www.ti.com Figure3.LicenseAgreement 4. AscreenasshowninFigure4appears,displayingthelicenseagreementofNationalInstruments. Pleasereadthroughtheagreementcarefullyandenablethe “IAccepttheLicenseAgreement” radio buttonandpresstheNextbutton. Figure4.NILicenseAgreement 5. SetthedefaultdirectoryfortheGUIInstallationandclick Next. 6 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com GUISoftwareInstallation Figure5.InstallationDirectoryScreen NOTE: Itishighlyrecommendedtokeepthedefaultvaluesasprovidedintheinstaller. 6. AscreenasshowninFigure6appears.Thisscreenistoselectthecomponentstoinstall.Selectthe ComponentstoInstallandClickNexttocontinueinstallation.TheLabVIEWRTEcomponentchecks outiftheLabVIEWRTE2014isalreadyinstalledonthePC. Figure6.ComponentSelection 7. IfLabVIEWRTEisselectedasacomponenttoinstall,ascreenappearsasshowninFigure7. Configuretheproxysettingsasrequired.ThisscreenistodownloadtheLabVIEWRTE2014from ni.com,ClickNexttocontinuetheinstallation. SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 7 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

GUISoftwareInstallation www.ti.com Figure7.ConfigureProxy 8. AscreenasshowninFigure8appears.ClickNexttobegintheinstallation. Figure8.ReadytoInstall 9. IftheLabVIEWRTE2014isselectedasacomponenttoinstall,LabVIEWRTEdownloadsand performsasilentmodeinstallation. 8 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com GUISoftwareInstallation Figure9.DownloadingRTE 10. OncetheDownloadcompletes,LabVIEWbeginswiththeself-extractionasshowninFigure10. Figure10.LabVIEWRTESelfExtraction 11. AScreenappearsasshowninFigure11.ItinitializestheLabVIEWRTEInstallation. SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 9 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

GUISoftwareInstallation www.ti.com Figure11.LabVIEWRTEInstallationInitialization 12. AdisplayasshowninFigure12appearswhichindicatestheprogressofLabVIEWRTEinstallation. 10 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com GUISoftwareInstallation Figure12.InstallationofLabVIEWRTEinProgress 13. OncetheLabVIEWRTE2014isinstalled,DRV8818EVMGUIcomponentinstalls. 14. AfterDRV8818Installation,FTDIInstallationbegins.AscreenasshowninFigure13 appears,click Extract toproceed. SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 11 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

GUISoftwareInstallation www.ti.com Figure13.FTDIInstallationInitialization 15. AscreenasshowninFigure14appears,clickNexttoproceed. Figure14.DriverInstallationWizard 12 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com GUISoftwareInstallation 16. TheLicenseAgreementappearsonscreenasshowninFigure15. 17. ReadthroughtheLicenseAgreementcarefullyandenablethe “IAcceptthisAgreement”radiobutton andClickonNext. Figure15.LicenseAgreementforFTDIDriver 18. ClickFinishtocompletetheDriverInstallation. SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 13 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

GUISoftwareInstallation www.ti.com Figure16.DriverInstallationCompletion 19. Figure17appearsdenotingthecompletionofDRV8818EVMGUIInstallation.Click Finish. Figure17.InstallationComplete 20. AreadmewindowasshowninFigure18appearsdisplayingthelinkforLV2014RTE. 14 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com MenuOptions Figure18.ReadmeWindow WARNING The DRV8818 EVM GUI requires the LabVIEW Run-Time Engine 2014 to be installed before the GUI executes. Please note the application is not compatible with other versions of LabVIEW Runtime Engine. You can download National Instruments LabVIEW Run-Time Engine 2014 fromthebelowlink: LabVIEWRun-TimeEngine2014 NOTE: DRV8818EVMGGUIexecutablehasbeenbuiltinLabVIEW2014(32-bit)version,andit expectstheLabVIEWRun-TimeEngineversiontobeLabVIEWRun-TimeEngine(32-bit version). 3 Menu Options • File-TheFilemenucontainstheoptionExitasshowninFigure19below. Figure19.FileMenu • Debug-TheDebugoptioncanbeusedforthefollowingoperations. SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 15 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

MenuOptions www.ti.com Figure20.DebugMenu • – Demo-ByselectingtheDemointhesubmenu,theGUIrunsinsimulationmode,andby unselectingit,theGUIrunsinconnectedmode. – LogtoFile-ThelogtofilesubmenuisusedtologtheGUIactivitiestoalogfilethatisspecified. – Debuglog-TheDebuglogoptionenablestologalltheactivitiesoftheuser.Ifthatisnotselected, onlythehigh-leveloperationslog. • View-SelectView-> Schematics->DRV8818toviewtheGUIsschematics Figure21.Schematic • Help – ClickingtheAboutintheHelpMenu Figure22.HelpMenu – TheAboutPageprovidesthedetailsliketheNameoftheGUI,GUIversion,SupportedOSand 16 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com WindowsApplication CopyrightInformation. Figure23.AboutPage 4 Windows Application TheDRV8818WindowsapplicationisthesoftwarecounterpartfortheDRV8818EVM.Thisapplicationis inchargeofconnectingtotheMSP430microcontrollerbyanUSBconnection,whichinturnselectsthe properlogicstatefortheDRV8818controlsignals. Thedesignofthegraphicaluserinterface(GUI)allowsforalloftheDRV8818device’sfunctionalitytobe testedwithouthavingtointervenewiththehardware,exceptfortheproperconfigurationofjumpers,when necessary. Figure24showstheDRV8818EVM.exemainscreen.Itcontainsmenuitemstoconfigureandenableand disabletheserialport,frameswithGPIOcontrolfortheDRV8818ControlSignals,StepperMotorcontrol forstartandstopandspeed,andcurrentanddecaycontrolthroughtheMSP430DACs. SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 17 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

WindowsApplication www.ti.com Figure24.DRV8818EVM.exeMainScreen 4.1 Connecting the EVM TheGUIauto-detectstheporttowhichtheUSBhasconnectedonconnectionoftheUSBcablebetween theEVMandanavailableportonyourPC.Thisisdisplayedinthewindow.Clickthe Connectbutton.If thisdoesnotwork,possiblesourcesoferrorareasfollows: • FTDIdriverswerenotinstalledproperlyandtheFTDI-USBchipisnotrecognized.Checkfor connectioninControlPanel→System→Hardware→DeviceManager→Portsforavalidconnection. • ClosetheGUI,andreopenittoproperlyidentifytheopenport. 4.2 Initial Configuration First,gointotheFilemenu.SelectFile→ConfigureParameters,andthefollowingboxdisplays: 18 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com WindowsApplication Rsenseshowsthedefaultof 100.IfanymodificationsaremadetotheEVM,besuretochangethese fieldssothatcurrentisproperlyregulated. 4.3 Operating the GUI 4.3.1 PinInformationControl ControlpinsappearinREDorGREEN.Clickonthesepinstochangethestateofthepin;thisshowsthe currentstate.Usingthefollowingkey,youcanseethataRED colorindicatesthatthepinisalogiclow, andaGREENcolorindicatesitislogichigh. PWP (HTSSOP) PACKAGE ISENA 1 28 VMA HOME 2 27 SLEEPn DIR 3 26 ENABLEn AOUT1 4 25 AOUT2 DECAY 5 24 CP2 RCA 6 23 CP1 GND 7 GND 22 VCP (PPAD) VREF 8 21 GND RCB 9 20 VGD VCC 10 19 STEP BOUT1 11 18 BOUT2 USM1 12 17 RESETn USM0 13 16 SRn ISENB 14 15 VMB Non-Control Pin Control Pin (HI) Control Pin (LOW) SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 19 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

WindowsApplication www.ti.com 4.3.2 BasicConfigurationandControlButtons Whereasclickingtheindividualpinschangesthestateofthepins,youcanalsousethecontrolboxesat thebottomtochangethestateofthepins. Forexample,clickontheFullStepradiobuttoninthebottomrightcornerofthehighlightedbox.What happenstothepictureonthetop? 4.3.3 CurrentControlandDecayModes Thissetofboxescontrolsthereferencecurrentandthecurrentdecaymodesoncethiscurrentthreshold isreached. • DecayControl:ThesliderallowsyoutocontrolthevoltageontheDECAYpin.Thiscontrolswhich modethedeviceisinwhenthecurrentisdecreasingthroughtheloadonthefallingedgeofthe sinusoidalcurrent.InFULLStepmode,thiscontroldoesnotapply.Thetableshowsthemodesasit correspondstothevoltageappliedontheDECAYpin.Forexample,avoltagelessthan0.7Vfixesthe deviceinaFastdecaymode.Avoltagegreaterthan2VputsthedeviceinaSlowdecaymore.A voltagebetween0.7Vand2Vselectsamixeddecaywitharatiooffastdecayfollowedbyslowdecay dependingonthevoltagesetbetween0.7Vand2V.Thisiseasiertoseeonanoscilloscopecapture. • CurrentControl:ThisslidersetsthevoltageonVREF.Thecurrentdisplaysonthescreenbasedon thefollowingcalculation: Iref=Vref/8× Rsense 20 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com WindowsApplication 4.3.4 MotionControl ConstantSpeedMode: • StartingSpeed(PPS): Thefollowingdiscussiondefinespulses-per-secondorPPS.Apulseisasingle stepinthelogictable.Thisisnotnecessarilyamechanicalstep.Ifyouchangemicro-steppingmodes, youmustdoublethisforthesamespeed(in1/2step),x4for1/4step,andsoon. • DesiredSpeed(PPS):Thisisthefinalspeedthatthemotorrampstoandholds,otherwiseknownas thetargetspeed. • AccelerationRate(PPSPS): Thisishowfastthedevicerampsfromthestartingspeedtothedesired speed.Thisisalsothedecelerationrateonceyoupausestepping. • StartStepsButton: Pressthisbuttontospin.Pressitagaintostop,orpause,spinning. • UpdateSpeedButton: Whilespinning,youcanchangetheDesiredSpeedfieldandnothingwill happenuntilyouclickUpdateSpeed. IndexingMode: • #ofSteps:InFullStepmode,thisisthenumberofmechanicalstepsyouwanttotake.Forexample, ifthemotoronyourbenchhas200stepsinarevolutionandyouwanttomoveonerevolution,you choose200steps.Ifyouarein1/2stepmode,youneedtodoublethisto400forafullrevolution. • StepsToStop: Whenthenumberofstepstakenachievesthispoint,themotorstartstodecelerateat therategiveninthe AccelerationRatefield. • StoppingSpeed:Afterthestepsinthe StepsToStop fieldisreachedandthemotorbeginsto decelerate,themotorrotatesatthisspeed(onceitisreached)untilthevalueinthe #ofStepsis reached. • MoveStepsButton:Clickthistobeginindexing.Onceindexingiscomplete,youcanclickitagainto repeatthecycle. SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 21 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

SchematicandBillofMaterials www.ti.com 5 Schematic and Bill of Materials 5.1 Schematics VDDTP25 1 V3P3 1J 12 SLEEPnVMTP22TP24 11 SLEEPn VM VM C5C4 0.1uF100uF 6JSRn1SREETn2US0M3USM14DIR5OHME6SLEEPn7ENABLEn8STEP96 3J 1234 En ENABLTP21 1 ENABLEn GNDTP29 1 GND B AOUT1AUT2OOUBT2OUBT1 CCAP2P1OUT2TP18TP19TP20 111 ACCOPP12UT2 NDGGGGNDNDDNTPTPTPTP23272826 1111 GNDGNDGNDGND V SM1 VM R3 2.2K D1BV GND 2JAOUT11AUT2O2OUBT23OUT1B4 OUT1SSSRnOUT2STEPCPCBUUIRBVBSS0ENBEEnTRM1M95TPTP10TP11TP12TP13TP14TP1TP16TP17TP8 1111111111 BUURIRSSBVSTOROCSSCEEEMMnPSBUUNPETT01BT12n VMV3P3C1C200.1uF.1uFVM C3 0.1uFVMVMV3P30.1uFC6DU1RV881D8000VR1012ISENACACBREFECAYCPGDISENAVMA822SLHOEEPnMEHOMESLEEPn7V32ENABLEnDIRDIRENABLEn642AOUT2AOUT1RAOUTAOUT12552.22uFC7CP1DECACP2Y4R62CP2RCACP13.22uFC872GNDVCP282VREFGND1.22uFC992SRCBVGD0U1TEP19VCCSTEP0B11BOUT2OUT1SM0BOUTBOUT112811RESETnRnUSM1RESE2Tn7U11S18EVMUSM0SRn6311PISENBISENBVMB54T0.1R2.10 0.1uFC10 GNDGNDGNDGNDGND VMVM 33S605S60MMD33D4BRDBRS60MBR JP3JP4JP5OUT2OUT2AOUT1BB3S60MMD7BRDBRD9BRS3608360S MThis section can be populatedfor asynchronous recirculationmodes of operation. DRV8818EVMInpuVoltVCC5Vtage:InputVoltageVDD:3.to 3V5VInputVoltagVM:8Vto e32V 88 VM V IROUT1CDARAVREFDECAYTP3TP4TP5TP6TP7 11111 DARVDORICERUCAEFATY1 DRV8818 V JP1000GVREFREFVC4REF_SELET D JP6RGDECECAYAY6DECAY_SECTLEC12 pf RCAVMCB R5 S3604M7KD2BR JP2AOUT136S60MDBR R R7 47K OMEHTP2 1 HOME V3P3 R 5K GND V3P3 R 5K 1 GND C11 pf 1 GND C13 1000pf GND SENATP1 1 ISENA GVDTP30 1 VGD I Figure25.Schematic1of2 22 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com SchematicandBillofMaterials P1MJ 11-2JTG_PWR22-3TRG_PWR3WRSelect P V3p3 F C15 0.1u GND SRnRESETnUSM0USM1IRDOMEHSLEEPnNABLEnE TEPS J5 R101R102R103R104R105R106R107R108 R109 2468101214AG TX 135791113TJ 48474645444342414039383736353433 4.7KR8 GND TSR GND 91532471406039285555566555664556 210TU3SSKNKTKIKSCIDAAAMUUSMLCLISLC2///TCCOCNV210OTVTTV/M...AODT/A2S666ATX/T/SPPPDSV6IDX/.RT/55HT.P5TPUOBT/7.5P5.4/MCLKDVCCPP6.3/A3P5.3/UCLK1P6.4/A4P5.2/SOMI1P6.5/A5P5.1/SIMO1P6.6/A6/DACP5.0/STE10P4.7/TBCLKP6.7/A7/DAC1/SVSINVREF+P4.6/TB6MSP430F2917XINP4.5/TB5P4.4/TB4XOUTVeREF+P4.3/TB3VREF-/VeREP4.2/TB2F-P4.1/TB1P1.0/TACLKP1.1/TA0P4.0/TB0P3.7/URXD1P1.2/TA10P1.3/TA2P3.6/UTXD1EAP1.4/SMCLKP3.5/URXD0MD0L/AKACDLTSKS21C//TLAA/00200CUCTTDK1KIOM0//NOSCLX1L0M0E210OIOCAACADTTAAAAAICRUCCUSSAASTTTTT////////////////7250361472503614................1223312223122233PPPPPPPPPPPPPPPP 98786251147003921222312223122223 XR 12345678901111213141516 JP7 MCUPWR V3p3 C16 10uFC170.1uF TSC18R 10uFGNDP6M5GVREFGDECAYS1 SW-PBY11201MHZ8C2C2 33pF33pFGND GND DRV8818EVMInpoutVltageVCC:5VInputVoltagVDD:te3.3Vo 5VInputVoltageVM:8Vto 32V V3p3 P6M5 R9 330 D10 GND 10 R 330 11C22 10uF D1112 GNDGND K K OSCOOSCI CBUS0CUSB1 SREET USBDMUSBDP R 196 R 110 GND 5VCCSConnUBB110mHL1USB5VVCC2USBDMDMDD3USBDPLLDPHH4GNDSS C1456 0.1uF GND V3p35VCC2U21TX8TXDOSCO22DTR7DTROSCI326SRTRTSTEST425VCCIOAGND452RXRXDNC6RI32RICBUS0722GNDCBUS1182NCGNDSRD092DSRVCC9011CDDDCDRSTCST1118CTSGND2CUSB4117CBUS43V3OCUS11B236CBUS2USBDM3US11CB45CBUS3USBDPC19FTD232R0.1uF GND 5VCCV3P3 U4PGNDPGEN*FBINOUTINOUTS77701T 0.1ufC23 GND J4 Figure26.Schematic2of2 SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 23 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

SchematicandBillofMaterials www.ti.com 5.2 Bill of Materials QTY Designator Value Description Manufacturer MFGPartNumber 11 C1,C2,C3,C5,C6,C10, 0.1uF Capacitor Kemet C0805C104K5RACTU C14,C15,C17,C19,C23 1 C4 100uF 100uF,50VElectrolyticCap Panasonic ECA-1HM101 3 C7,C8,C9 .22uF Capacitor Kemet C0805C224K5RACTU 3 C11,C12,C13 1000pf Capacitor Kemet C0805C102K5RACTU 3 C16,C18,C22 10uF 10uF,25VElectrolyticCap(Radial) Nichicon UVR1E100MDD 2 C20,C21 33pF Capacitor Yageo CC0805JRNP09BN330 3 D1,D10,D11 LEDRED LEDREDClear1206SMD StanleyElectric&Co HBR1105W-TR DNI D2,D3,D4,D5,D6,D7,D8, MBR360 3A,60V,SchottkyDiode OnSemiconductor MBRS360T3G D9 1 J1 2Pos TerminalBlock,2Pos,200milpitch OnShoreTechnologyInc. OSTTA024163 1 J2 4PosHeader SingleLine,4Pos,100milpitchHeaderConnector Sullins PBC04SAAN 1 J3 4Pos TerminalBlock,4Pos,200milpitch OnShoreTechnologyInc. OSTTA044163 1 J4 USBB USBBStyleConnector Molex 67068-8000 1 J5 14PosHeader Header,7-Pin,Dualrow,RightAngle Sullins PBC07DAAN 1 J6 9PosHeader Control SullinsConnectorSolutions PBC09SAAN 1 JMP1 3PosHeader SingleLine,3Pos,100milpitchHeaderConnector Sullins PBC03SAAN 2 JP1,JP6 3PosHeader SingleLine,3Pos,100milpitchHeaderConnector Sullins PBC03SAAN DNI JP2,JP3,JP4,JP5 2PosHeader SingleLine,2Pos,100milpitchHeaderConnector Sullins PBC02SAAN 1 JP14 0.230"(5.84mm) TwoPinJumper SullinsConnectorSolutions PBC02SAAN 1 L1 10mH FerriteBead1.5A40ohm0805SMD Steward MI0805K400R-10 1 PCB1 N/A CPG001PCBBareBoard N/A N/A 2 R1,R2 0.1 Resistor Bourns CRA2512-FZ-R100ELF 1 R3 2.2K Resistor Yageo RC0805JR-072K2L 2 R4,R6 5K Potentiometer MurataElectronics PV37Y502C01B00 2 R5,R7 47K Resistor Yageo RC0805JR-0747KL 1 R8 4.7K Resistor Yageo RC0805JR-074K7L 2 R9,R10 330 Resistor Yageo RC0805JR-07330RL 1 R11 196K Resistor Yageo 9C08052A1963FKHFT 1 R12 110K Resistor Yageo RC0805JR-07110KL 9 R101,R102,R103,R104, 3300 Resistor Yageo RC0603FR-073K3L R105,R106,R107,R108, R109 1 S1 PushButton Switch Panasonic EVQ-11A04M 24 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

www.ti.com SchematicandBillofMaterials QTY Designator Value Description Manufacturer MFGPartNumber 23 TP1,TP2,TP3,TP4,TP5, TestStakeWhite GlassBeadedTestPoint Kobiconn 151-101-RC TP6,TP7,TP8,TP9,TP10, TP11,TP12,TP13,TP14, TP15,TP16,TP17,TP18, TP19,TP20,TP21,TP22, TP30 5 TP23,TP26,TP27,TP28, TestStakeBlack GlassBeadedTestPoint Kobiconn 151-103-RC TP29 2 TP24,TP25 TestStakeRed GlassBeadedTestPoint Kobiconn 151-107-RC 1 U1 Driver BipolarStepperMotorDriverWithIndexer TexasInstruments DRV8818PWP 1 U2 USBDriver USBChip FTDI 604-00043 1 U3 MSP430MCU MSp430Microcontroller TexasInstruments MSP430F2617TPMR 1 U4 LDO 750mALDO8-SOIC TexasInstruments TPS77701D 1 Y1 Crystal CrystalOscillator ECSInc. ECS-80-20-4 SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 25 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

26 DRV8818EVMEvaluationModule SLVU681A–February2012–RevisedJuly2019 SubmitDocumentationFeedback

www.ti.com SchematicandBillofMaterials IMPORTANTNOTICEANDDISCLAIMER TIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCE DESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES“ASIS” ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANY IMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRD PARTYINTELLECTUALPROPERTYRIGHTS. TheseresourcesareintendedforskilleddevelopersdesigningwithTIproducts.Youaresolelyresponsiblefor(1)selectingtheappropriate TIproductsforyourapplication,(2)designing,validatingandtestingyourapplication,and(3)ensuringyourapplicationmeetsapplicable standards,andanyothersafety,security,orotherrequirements.Theseresourcesaresubjecttochangewithoutnotice.TIgrantsyou permissiontousetheseresourcesonlyfordevelopmentofanapplicationthatusestheTIproductsdescribedintheresource.Other reproductionanddisplayoftheseresourcesisprohibited.NolicenseisgrantedtoanyotherTIintellectualpropertyrightortoanythird partyintellectualpropertyright.TIdisclaimsresponsibilityfor,andyouwillfullyindemnifyTIanditsrepresentativesagainst,anyclaims, damages,costs,losses,andliabilitiesarisingoutofyouruseoftheseresources. TI’sproductsareprovidedsubjecttoTI’sTermsofSale(www.ti.com/legal/termsofsale.html)orotherapplicabletermsavailableeitheron ti.comorprovidedinconjunctionwithsuchTIproducts.TI’sprovisionoftheseresourcesdoesnotexpandorotherwisealterTI’sapplicable warrantiesorwarrantydisclaimersforTIproducts. MailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265 Copyright©2019,TexasInstrumentsIncorporated SLVU681A–February2012–RevisedJuly2019 DRV8818EVMEvaluationModule 27 SubmitDocumentationFeedback Copyright©2012–2019,TexasInstrumentsIncorporated

STANDARDTERMSFOREVALUATIONMODULES 1. Delivery:TIdeliversTIevaluationboards,kits,ormodules,includinganyaccompanyingdemonstrationsoftware,components,and/or documentation which maybe providedtogether orseparately (collectively,an “EVM”or “EVMs”)totheUser (“User”)inaccordance withthetermssetforthherein.User'sacceptanceoftheEVMisexpresslysubjecttothefollowingterms. 1.1 EVMsareintendedsolelyforproductorsoftwaredevelopersforuseinaresearchanddevelopmentsettingtofacilitatefeasibility evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For clarification,anysoftwareorsoftwaretoolsprovidedwiththeEVM(“Software”)shallnotbesubjecttothetermsandconditions setforthhereinbutrathershallbesubjecttotheapplicabletermsthataccompanysuchSoftware 1.2 EVMsarenotintendedforconsumerorhouseholduse.EVMsmaynotbesold,sublicensed,leased,rented,loaned,assigned, or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production system. 2 LimitedWarrantyandRelatedRemedies/Disclaimers: 2.1 ThesetermsdonotapplytoSoftware.Thewarranty,ifany,forSoftwareiscoveredintheapplicableSoftwareLicense Agreement. 2.2 TIwarrantsthattheTIEVMwillconformtoTI'spublishedspecificationsforninety(90)daysafterthedateTIdeliverssuchEVM toUser.Notwithstandingtheforegoing,TIshallnotbeliableforanonconformingEVMif(a)thenonconformitywascausedby neglect,misuseormistreatmentbyanentityotherthanTI,includingimproperinstallationortesting,orforanyEVMsthathave beenalteredormodifiedinanywaybyanentityotherthanTI,(b)thenonconformityresultedfromUser'sdesign,specifications or instructions for such EVMs or improper system design, or (c) User has not paid on time. Testing and other quality control techniques are used to the extent TI deems necessary. TI does not test all parameters of each EVM. User'sclaimsagainstTIunderthisSection2arevoidifUserfailstonotifyTIofanyapparentdefectsintheEVMswithinten(10) businessdaysafterdelivery,orofanyhiddendefectswithten(10)businessdaysafterthedefecthasbeendetected. 2.3 TI's sole liability shall be at its option to repair or replace EVMs that fail to conform to the warranty set forth above, or credit User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the warranty periodtotheaddressdesignatedbyTIandthataredeterminedbyTInottoconformtosuchwarranty.IfTIelectstorepairor replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall be warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day warrantyperiod. WARNING Evaluation Kits are intended solely for use by technically qualified, professional electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components, systems, and subsystems. User shall operate the Evaluation Kit within TI’s recommended guidelines and any applicable legal or environmental requirements as well as reasonable and customary safeguards. Failure to set up and/or operate the Evaluation Kit within TI’s recommended guidelines may result in personal injury or death or property damage. Proper set up entails following TI’s instructions for electrical ratings of interface circuits such as input, output and electrical loads. NOTE: EXPOSURETOELECTROSTATICDISCHARGE(ESD)MAYCAUSEDEGREDATIONORFAILUREOFTHEEVALUATION KIT;TIRECOMMENDSSTORAGEOFTHEEVALUATIONKITINAPROTECTIVEESDBAG.

www.ti.com 3 RegulatoryNotices: 3.1 UnitedStates 3.1.1 NoticeapplicabletoEVMsnotFCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write softwareapplicationsforusewiththeendproduct.Thiskitisnotafinishedproductandwhenassembledmaynotberesoldor otherwise marketed unless all required FCC equipment authorizations are first obtained. Operation is subject to the condition that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference. Unless theassembledkitis designedtooperateunder part 15,part 18 orpart 95 ofthischapter, theoperatorofthekitmust operateundertheauthorityofanFCClicenseholderormustsecureanexperimentalauthorizationunderpart5ofthischapter. 3.1.2 ForEVMsannotatedasFCC–FEDERALCOMMUNICATIONSCOMMISSIONPart15Compliant: CAUTION Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynot cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesiredoperation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operatetheequipment. FCCInterferenceStatementforClassAEVMdevices NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassAdigitaldevice,pursuanttopart15of theFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferencewhentheequipmentis operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operationofthisequipmentinaresidentialareaislikelytocauseharmfulinterferenceinwhichcasetheuserwillberequiredto correcttheinterferenceathisownexpense. FCCInterferenceStatementforClassBEVMdevices NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttopart15of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.Thisequipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordance withtheinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterference willnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,which canbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormore ofthefollowingmeasures: • Reorientorrelocatethereceivingantenna. • Increasetheseparationbetweentheequipmentandreceiver. • Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected. • Consultthedealeroranexperiencedradio/TVtechnicianforhelp. 3.2 Canada 3.2.1 ForEVMsissuedwithanIndustryCanadaCertificateofConformancetoRSS-210orRSS-247 ConcerningEVMsIncludingRadioTransmitters: ThisdevicecomplieswithIndustryCanadalicense-exemptRSSs.Operationissubjecttothefollowingtwoconditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may causeundesiredoperationofthedevice. ConcernantlesEVMsavecappareilsradio: LeprésentappareilestconformeauxCNRd'IndustrieCanadaapplicablesauxappareilsradioexemptsdelicence.L'exploitation estautoriséeauxdeuxconditionssuivantes:(1)l'appareilnedoitpasproduiredebrouillage,et(2)l'utilisateurdel'appareildoit acceptertoutbrouillageradioélectriquesubi,mêmesilebrouillageestsusceptibled'encompromettrelefonctionnement. ConcerningEVMsIncludingDetachableAntennas: UnderIndustryCanadaregulations,thisradiotransmittermayonlyoperateusinganantennaofatypeandmaximum(orlesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types listedintheuserguide with themaximumpermissible gainandrequiredantennaimpedance for eachantennatypeindicated. Antennatypesnotincludedinthislist,havingagaingreaterthanthemaximumgainindicatedforthattype,arestrictlyprohibited forusewiththisdevice. 2

www.ti.com ConcernantlesEVMsavecantennesdétachables Conformémentàlaréglementationd'IndustrieCanada,leprésentémetteurradiopeutfonctionneravecuneantenned'untypeet d'ungainmaximal(ouinférieur)approuvépourl'émetteurparIndustrieCanada.Danslebutderéduirelesrisquesdebrouillage radioélectriqueàl'intentiondesautresutilisateurs,ilfautchoisirletyped'antenneetsongaindesortequelapuissanceisotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manueld’usageetayantungainadmissiblemaximaletl'impédancerequisepourchaquetyped'antenne.Lestypesd'antenne noninclusdanscetteliste,oudontlegainestsupérieuraugainmaximalindiqué,sontstrictementinterditspourl'exploitationde l'émetteur 3.3 Japan 3.3.1 NoticeforEVMsdeliveredinJapan:Pleaseseehttp://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page日本国内に 輸入される評価用キット、ボードについては、次のところをご覧ください。 http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 3.3.2 NoticeforUsersofEVMsConsidered“RadioFrequencyProducts”inJapan:EVMsenteringJapanmaynotbecertified byTIasconformingtoTechnicalRegulationsofRadioLawofJapan. If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required to follow the instructionssetforthby Radio LawofJapan, which includes,butis notlimitedto,theinstructionsbelow with respecttoEVMs (whichfortheavoidanceofdoubtarestatedstrictlyforconvenienceandshouldbeverifiedbyUser): 1. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for EnforcementofRadioLawofJapan, 2. Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs,or 3. UseofEVMsonlyafterUserobtainstheTechnicalRegulationsConformityCertificationasprovidedinRadioLawofJapan withrespecttoEVMs.Also,donottransferEVMs,unlessUsergivesthesamenoticeabovetothetransferee.Pleasenote thatifUserdoesnotfollowtheinstructionsabove,UserwillbesubjecttopenaltiesofRadioLawofJapan. 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】開発キットの中には技術基準適合証明を受けて いないものがあります。技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 NoticeforEVMsforPowerLineCommunication:Pleaseseehttp://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧ください。http:/ /www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 3.4 EuropeanUnion 3.4.1 ForEVMssubjecttoEUDirective2014/30/EU(ElectromagneticCompatibilityDirective): ThisisaclassAproductintendedforuseinenvironmentsotherthandomesticenvironmentsthatareconnectedtoa low-voltagepower-supplynetworkthatsuppliesbuildingsusedfordomesticpurposes.Inadomesticenvironmentthis productmaycauseradiointerferenceinwhichcasetheusermayberequiredtotakeadequatemeasures. 3

www.ti.com 4 EVMUseRestrictionsandWarnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITEDTOEVALUATIONSOFLIFESUPPORTAPPLICATIONS. 4.2 UsermustreadandapplytheuserguideandotheravailabledocumentationprovidedbyTIregardingtheEVMpriortohandling orusingtheEVM,includingwithoutlimitationanywarningorrestrictionnotices.Thenoticescontainimportantsafetyinformation relatedto,forexample,temperaturesandvoltages. 4.3 Safety-RelatedWarningsandRestrictions: 4.3.1 UsershalloperatetheEVMwithinTI’srecommendedspecificationsandenvironmentalconsiderationsstatedintheuser guide,otheravailabledocumentationprovidedbyTI,andanyotherapplicablerequirementsandemployreasonableand customarysafeguards.Exceedingthespecifiedperformanceratingsandspecifications(includingbutnotlimitedtoinput and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or property damage. If there are questions concerning performance ratings and specifications, User should contact a TI fieldrepresentativepriortoconnectinginterfaceelectronicsincludinginputpowerandintendedloads.Anyloadsapplied outside of the specified output range may also result in unintended and/or inaccurate operation and/or possible permanentdamagetotheEVMand/orinterfaceelectronics.PleaseconsulttheEVMuserguidepriortoconnectingany load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative. During normal operation, even with the inputs and outputs kept within the specified allowable ranges, some circuit componentsmayhaveelevatedcasetemperatures.Thesecomponentsincludebutarenotlimitedtolinearregulators, switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the informationintheassociateddocumentation.WhenworkingwiththeEVM,pleasebeawarethattheEVMmaybecome verywarm. 4.3.2 EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components, systems, and subsystems. UserassumesallresponsibilityandliabilityforproperandsafehandlinganduseoftheEVMbyUseroritsemployees, affiliates,contractorsordesignees.Userassumesallresponsibilityandliabilitytoensurethatanyinterfaces(electronic and/or mechanical) between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard. User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or designees. 4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal, state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local requirements. 5. AccuracyofInformation:TotheextentTIprovidesinformationontheavailabilityandfunctionofEVMs,TIattemptstobeasaccurate aspossible.However,TIdoesnotwarranttheaccuracyofEVMdescriptions,EVMavailabilityorotherinformationonitswebsitesas accurate,complete,reliable,current,orerror-free. 6. Disclaimers: 6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY MATERIALS PROVIDED WITH THE EVM (INCLUDING, BUT NOT LIMITED TO, REFERENCE DESIGNS AND THE DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL FAULTS."TIDISCLAIMSALLOTHERWARRANTIES,EXPRESSORIMPLIED,REGARDINGSUCHITEMS,INCLUDINGBUT NOTLIMITEDTOANYEPIDEMICFAILUREWARRANTYORIMPLIEDWARRANTIESOFMERCHANTABILITYORFITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADE SECRETSOROTHERINTELLECTUALPROPERTYRIGHTS. 6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD PARTY, TO USE THE EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY INVENTION, DISCOVERY OR IMPROVEMENT,REGARDLESSOFWHENMADE,CONCEIVEDORACQUIRED. 7. USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS LICENSORSANDTHEIRREPRESENTATIVESHARMLESSFROMANDAGAINSTANYANDALLCLAIMS,DAMAGES,LOSSES, EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS. THIS OBLIGATION SHALL APPLY WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY OTHER LEGAL THEORY,ANDEVENIFTHEEVMFAILSTOPERFORMASDESCRIBEDOREXPECTED. 4

www.ti.com 8. LimitationsonDamagesandLiability: 8.1 General Limitations. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE TERMS OR THE USE OF THE EVMS , REGARDLESS OF WHETHER TI HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST OF REMOVAL OR REINSTALLATION,ANCILLARYCOSTSTOTHEPROCUREMENTOFSUBSTITUTEGOODSORSERVICES,RETESTING, OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS, LOSS OF SAVINGS, LOSS OF USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE (12) MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED. 8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY USE OF AN EVM PROVIDED HEREUNDER, INCLUDING FROM ANY WARRANTY, INDEMITY OR OTHER OBLIGATION ARISING OUT OF OR IN CONNECTION WITH THESE TERMS, , EXCEED THE TOTAL AMOUNT PAID TO TI BY USER FOR THE PARTICULAR EVM(S)ATISSUEDURINGTHEPRIORTWELVE(12)MONTHSWITHRESPECTTOWHICHLOSSESORDAMAGESARE CLAIMED.THEEXISTENCEOFMORETHANONECLAIMSHALLNOTENLARGEOREXTENDTHISLIMIT. 9. ReturnPolicy.Exceptasotherwiseprovided,TIdoesnotofferanyrefunds,returns,orexchanges.Furthermore,noreturnofEVM(s) willbeacceptedifthepackagehasbeenopenedandnoreturnoftheEVM(s)willbeacceptediftheyaredamagedorotherwisenotin a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s), excludinganypostageorpackagingcosts. 10. GoverningLaw:ThesetermsandconditionsshallbegovernedbyandinterpretedinaccordancewiththelawsoftheStateofTexas, withoutreferencetoconflict-of-lawsprinciples.Useragreesthatnon-exclusivejurisdictionforanydisputearisingoutoforrelatingto these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas. Notwithstandingtheforegoing,anyjudgmentmaybeenforcedinanyUnitedStatesorforeigncourt,andTImayseekinjunctiverelief inanyUnitedStatesorforeigncourt. MailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265 Copyright©2019,TexasInstrumentsIncorporated 5

IMPORTANTNOTICEANDDISCLAIMER TIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCE DESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES“ASIS” ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANY IMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRD PARTYINTELLECTUALPROPERTYRIGHTS. TheseresourcesareintendedforskilleddevelopersdesigningwithTIproducts.Youaresolelyresponsiblefor(1)selectingtheappropriate TIproductsforyourapplication,(2)designing,validatingandtestingyourapplication,and(3)ensuringyourapplicationmeetsapplicable standards,andanyothersafety,security,orotherrequirements.Theseresourcesaresubjecttochangewithoutnotice.TIgrantsyou permissiontousetheseresourcesonlyfordevelopmentofanapplicationthatusestheTIproductsdescribedintheresource.Other reproductionanddisplayoftheseresourcesisprohibited.NolicenseisgrantedtoanyotherTIintellectualpropertyrightortoanythird partyintellectualpropertyright.TIdisclaimsresponsibilityfor,andyouwillfullyindemnifyTIanditsrepresentativesagainst,anyclaims, damages,costs,losses,andliabilitiesarisingoutofyouruseoftheseresources. TI’sproductsareprovidedsubjecttoTI’sTermsofSale(www.ti.com/legal/termsofsale.html)orotherapplicabletermsavailableeitheron ti.comorprovidedinconjunctionwithsuchTIproducts.TI’sprovisionoftheseresourcesdoesnotexpandorotherwisealterTI’sapplicable warrantiesorwarrantydisclaimersforTIproducts. MailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265 Copyright©2019,TexasInstrumentsIncorporated