USB Power Delivery - Compliance Tests - Texas …

1 1 SLVA892 May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTestsApplicationReportSLVA892 May 2017 USBP owerDelivery- ComplianceTestsABSTRACTTheUSBP ower-DeliveryCertificationprocessrequire sall PD end-productsusingTexasInstruments TPS6598xto complywiththe USB-IF s deterministicandcommunication-engineMOI, in additiontovariousotherload and applicationreportexplainsthe setupof threeextensivelyusedUSB-PDtestersand configurationof the PDVendorInformationFileas per the product s PD Ellisys ..23 GettingStarted of Figures1 Port Information- SystemConfiguration(0x28) AutonegotiateSink(0x37) ControlConfiguration(0x29) ControlConfiguration(0x29) ControlConfiguration(0x29) (0x47) Power - TransmitSourceCapabilities(0x32) TransmitSourceCapabilities(0x32) TransmitSourceCapabilities(0x32) TransmitSourceCapabilities(0x32) TransmitSourceCapabilities(0x32) TransmitSourceCapabilities(0x32) TransmitSourceCapabilities(0x32) MaximumVoltage- TransmitSourceCapabilities(0x32) TransmitSourceCapabilities(0x32) Power - TransmitSinkCapabilities(0x33) USBS uspend- AutonegotiateSink(0x37) AutonegotiateSink(0x37) TransmitSinkCapabilities(0x33)

2 TransmitSinkCapabilities(0x33) Voltage- TransmitSinkCapabilities(0x33) TransmitSinkCapabilities(0x33) MaximumVoltage- TransmitSinkCapabilities(0x33) ControlConfiguration(0x29) ControlConfiguration(0x29) (0x47) May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTests28 Type-CCurrent- SystemConfiguration(0x28) SystemConfiguration(0x28) SystemConfiguration(0x28) SystemConfiguration(0x28) SystemConfiguration(0x28) USBD eviceand Host- TransmitIdentity(0x47) Examinerand UUT- Ellisys - Ellisys Ellisys Capability- SystemConfiguration(0x28) SystemConfiguration(0x28) of TablesTrademarksBoosterPackis a trademarkof TexasInstruments, (EX350)is a trademarkof a registeredtrademarkof ,Windowsare registeredtrademarksof a trademarkof TotalPhase, a trademarkof USBI mplementersForum, othertrademarksare the propertyof TPS6598xdeviceis a standalone,USBType-C , Power - Delivery (PD)controllerthat providescable-plug and orientationdetectionat the ,the TPS6598xdevicecommunicateson the CC wire usingthe ,the TPS6598xenablesthe appropriatepowerpathsand configuresalternatemodesettingsfor internaland external(optional)

3 Devicemustcomplywith the USB-IF s PD specificationsand test plans,and thereare variousUSB-PD testersor examinersthat test the device s documentdescribesthe setupof threeextensivelyusedUSB-PDtestersand the executionof theirvariouscompliancetest Ellisys Ellisys USBE xplorer350 (EX350) is the comprehensiveprotocoltest and analysissystemfor , , and USBPD. This sectionlists the instructionsfor settingup the tester,theunit undertest(UUT),and the host and controlsystemfor executingthe EllisysUSBE xplorer350 protocoltest and analysissystem USBVIF generator TPS65982 BoosterPack EVM AardvarkI2C/SPI adapter PC runningMicrosoft Windows Ellisys 3 SLVA892 May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTests(1)ContactyourTI representativeto requestaccessto the installthe followingdriversand toolsif not yet installedon the WindowsPC.

4 EllisysUSBE xplorer350 examiner EllisysUSBE xplorer350 analyzer This is optionaland only requiredfor collectedPD logs. TPS6598xConfigurationTool TPS6598xHostInterface(HI) UtilityToolfor the devicetype usedfor the Tests (alsoavailablefromtheaccesscontroll ersecuresite(1))NOTE:This guideassumesthat all TI toolsare installedat locationC:\ProgramFiles\ UUTfor the TestsIf the servicepackor applicationbinariesare alreadyprogrammedon TPS6598xEVMor customer splatform,proceedto latestversionof theTPS6598xConfigurationtool and generatea test binaryto beprogrammedon the detailedinstructionson generatingthe binariesand programmingthe sameon the Ellisys VendorInformationFileVendorInformationFi le(VIF)

5 Definesthe capabilitiesof the UUTand is a mediumfor the Ellisystesterapplicationto detectthe UUTand its testerusesthis informationto assignsomeof thetestsand example,if the UUTis configuredtonotacceptanyDR Swapto DFPrequests,thetesterwill fail the correspondingtest casesif the UUTacceptssucha ,the testerselectivelyincludesor excludesthe testsdependingon the UUT s Generatortool for creatinga VIF for the formatof the VIF and informationaboutits variousfieldsare detailedin the VIF userguide(VIF-UG),whichis part of the tool s ,and relatesthemto TPS65982 s configurationsand features:IntroFields UUT_Device_Type: This field definesthe type of UUT,and a suitableor validoptionmustbe set forthe samedependingon the device s example,if thePort Informationfield of theSystemConfigurationregisteris set as Figure1, the field in VIF mustbe set to3 : PortInformation- SystemConfiguration(0x28)Register Otherfieldsin this tab definethe vendorand productnameor ID of the VIF-UGfordetailsand fill Ellisys May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTestsGeneralPD Fields PD_Specification_Revision.

6 This field definesthe versionof the PD specificationsupportedby example,TPS65982is PD2compliant,so this field mustbe set to1 : USB_Comms_Capable:This field is usedby the testerto determineif the UUTis capableof field mustbe set to eitherYESorNOdependingon the settingofUSBC ommunicationCapablebit this field is configuredasYES, thenone of its companionfieldsType_C_Can_Act_As_Deviceo rType_C_Can_Act_As_HostinUSBType-Ctab ofVIF Generatortool will be set USBC ommunicationCapability- AutonegotiateSink(0x37)Register DR_Swap_To_DFP_SupportedandDR_Swap_To_UF P_Supported: Thesefieldsdefinethe data-roleswapcapabilityof the UUTand mustbe set in accordancewith the device s propertiesas definedintheControlConfigurationregister in DataRoleSwapCapability- ControlConfiguration(0x29) Ellisys 5 SLVA892 May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTests Unconstrained_Power.

7 This field indicatesthe testerthat the UUThas an externalor uninterruptedsourceof powerand mustbe set to eitherYESor NO dependingon the device s propertiesas definedin theControlConfigurationregisterin ExternallyPowered- ControlConfiguration(0x29)Register VCONN_Swap_To_On_SupportedandVCONN_Swap_ To_Off_Supported: ThesefieldsdefinetheVCONN swapcapabilityof the deviceand bothmustbe set to eitherYES orNOdependingon thedevice s settingas definedin theControlConfigurationregisterin VCONNSwapCapability- ControlConfiguration(0x29)RegisterGettin gStarted- Ellisys May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTests Responds_To_Discov_SOPandAttempts_Discov _SOP.

8 Thesefieldsdefinethe abilityof the devicetorespondor settoYESifTransmitIdentityObjectregister is set to a non-zerovalueas in Figure6 Attempts_Discov_SOPmustbe set toYESif the devicesupportsanyAlternateModes, TransmitIdentityDataObject(0x47)Register SOP*: This sectiondefinesthe capabilitiesof the deviceto handlethe SOP*protocoland mustbe setin accordanceto the device s TPS6598x,SOP_CapableandSOP_P_Capablemust beset Ellisys 7 SLVA892 May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTestsSourceFields PD_Power_as_Source: This field definesthe maximumPDPlevelin mW supportedby the source-capabledeviceand mustbe set per the settingsin ,if the devicehas two sourcePDOsas shownin Figure7, this field will be set to (3 A 12 V)= PD Power - TransmitSourceCapabilities(0x32)Register USB_Suspend_May_Be_Cleared.

9 This field indicatesthe connectedsink whetherit mustobeyUSBS uspendand mustbe set dependingon the settingsin Figure8 in the UUT(as a source)hasUSBS uspendSupportedset to 0, thenthe VIF mustset thisfield USBS uspendSupport- TransmitSourceCapabilities(0x32)Register GettingStarted- Ellisys May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTests Num_Src_PDOs: This field definesthe numberof sourcePDOssupportedby the UUTand mustbeset in accordanceto the devicepropertiesas definedin TotalSourcePDOs- TransmitSourceCapabilities(0x32)Register SourcePDOs:The followingfieldsrepresentthe parametersfor a singleSourcePDOwhere<X> is anintegerbetween1 and 7: Src_PDO_Supply_Type<X>: This field definesthe type of the sourcePDOand mustbe set toeither1 : Fixed,2 : Battery, or3 : Variabledependingon the settingsin Figure10 in SupplyType- TransmitSourceCapabilities(0x32) Ellisys 9 SLVA892 May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTests Src_PDO_Peak_Current<X>.

10 This field definesthe peakcurrentssupportedby the UUTfor shortperiodsand is indicatedas a percentof the mustbe set to one of the availableoptionsdependingon the settingsin Figure11 in PeakCurrent- TransmitSourceCapabilities(0x32)Register Src_PDO_Voltage<X>: This field definesthe outputvoltageof a sourcePDOin the unitsof 50 mVand mustbe set per the Figure12 configurationin ,for Figure12 settingsof PDO-1,this field mustbe set to 5000mV / 50 mV = takescareof this conversionwhengeneratingthe PDOV oltage- TransmitSourceCapabilities(0x32)Register Src_PDO_Max_Current: This field definesthe maximumoperatingcurrentof a sourcePDOin unitsof 10 mA and mustbe set per the Figure13 configurationin example,for Figure13 settingsof PDO-1,this field mustbe set to 3000mA / 10 mA = Generatortool takescareof this conversionwhengeneratingthe MaximumPDOC urrent- TransmitSourceCapabilities(0x32)Register GettingStarted- Ellisys May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedUSBP owerDelivery- ComplianceTests Sr