TPS65217x Single-Chip PMIC for Battery-Powered …

1 DDR3 or DDR3 LMemoryVTT, VREFCAVACAC adapterDC 5-V V VVDDQ/2 TPS65217C, ALDO1 LDO2 VSYSS itara AM335xZCZP rocessorVDDS_DDRVDDA_ADC, VDDS_OSC, VDDS_PLL, VDDS_SRAM, VDDSHVx( ), VDDA1P8V_USB0 VDDS, VDDS_RTCVDD_CORESYSVUSBACUSBUSB direct connection100 mALS1/LDO3LS2 V100 V400 mA400 mABATPB_INI2C0_SCLI2C0_SDAVDDSHVx( ), VDDA3P3V_USB0 VDD, VDDQGNDBAT_SENSEPMIC_PWR_ENEXT_WAKEUPSCL SDAPWR_ENnWAKEUPC opyright 2018, Texas Instruments IncorporatedProductFolderOrderNowTechnic alDocumentsTools &SoftwareSupport &CommunityReferenceDesignAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand NOVEMBER2011 REVISEDMARCH2018 TPS65217xSingle-ChipPMIC for battery -PoweredSystems11 Features1 Chargerand PowerPath 2-A OutputCurrenton PowerPath LinearCharger.

2 700-mAMaximumChargeCurrent 20-VTolerantUSBand AC Inputs ThermalRegulation,SafetyTimers TemperatureSenseInput Step-DownConverter(DCDC1,DCDC2,DCDC3) ThreeStep-DownConverterWithIntegratedSwi tchingFETs Power-SaveModeat Light-LoadCurrent OutputVoltageAccuracyin PWMMode 2% 100%DutyCyclefor LowestDropout Typical15- A Quiescentper Converter PassiveDischargeto GroundWhenDisabled LDOR egulators(LDO1,LDO2) Two AdjustableLDOs LDO2can be Configuredto TrackDCDC3 Typical15- A QuiescentCurrent LoadSwitches(LDO3,LDO4) Two IndependentLoadSwitchesThatCan BeConfiguredas LDOs WLEDD river InternallyGeneratedPWMfor DimmingControl 38-VOpen-LEDP rotection SupportsTwo Stringsof up to 10 LEDsat25 mA Each InternalLow-SideCurrentSinks Protection UndervoltageLockoutand BatteryFaultComparator Always-OnPush-ButtonMonitor HardwareResetPin PasswordProtectedI2C Registers Interface I2C Interface(Address0x24) Password-ProtectedI2C Registers2 Applications Sitara AM335xProcessorPower PortableNavigationSystems TabletComputing 5-V IndustrialEquipment3 DescriptionThe TPS65217xis a single-chippowermanagementIC (PMIC)

3 Specificallydesignedto powerthe AM335xARM Cortex -A8 processorin portableand 5-V single-cellLi-ionandLi-polymerbatteries, dual-inputpowerpath,threestep-downconver ters,four low-dropout(LDO)regulators,and a high-efficiencyboostconverterto powertwostringsof up to 10 systemcan besuppliedby any combinationof USBport,5-V ACadaptor,or deviceis characterizedacrossa 40 C to +105 C temperaturerangewhichmakesit suitablefor corevoltage,memory,and I/O voltagefor a TPS65217xdevicecomesin a 48-pin leadlesspackage(6-mm 6-mmVQFN) (1)PARTNUMBERPACKAGEBODYSIZE(NOM)TPS6521 7 AVQFN(48) (1) For all availablepackages,see the orderableaddendumatthe end of the NOVEMBER2011 :TPS65217 SubmitDocumentationFeedbackCopyright 2011 2018,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE.

4 Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (June2017)to RevisionIPage Changedthe diagramin Changedthe lists in thePower-UpSequencingsectionto logicalsentencesfor Addeda descriptionof thealways-onpowersupplyin thePush-ButtonMonitor(PB_IN) Fixedtyposin Changedthe list of accesstypesto be moresimpleand addeda notefor reservedbits in Changedthe first paragraphin the5-V OperationWithouta (January2015)to RevisionHPage Addeda ReferenceDesignbuttonto the top of the first RevisedFigure4 ..20 ReversedSTROBE14 and STROBE15 in the secondparagraphof SpecialStrobes(STROBE14 and 15) ..22 ChangedPFMEN xbit valuerequiredto forcePWMoperationat light loadsfrom0 to ChangedFigure24.

5 39 Changedtext in Addeda row to Table37 ..78 NOVEMBER2011 REVISEDMARCH2018 ProductFolderLinks:TPS65217 SubmitDocumentationFeedbackCopyright 2011 2018,TexasInstrumentsIncorporatedChanges fromRevisionF (April2013)to RevisionGPage AddedESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and NOVEMBER2011 :TPS65217 SubmitDocumentationFeedbackCopyright 2011 2018,TexasInstrumentsIncorporated(1)For moreinformation,seeRESETin thePMICS tatessection.(1)Strobe15 (LDO1)is the first rail to be enabledin a sequence,followedby strobe1 throughstrobe7.

6 For moreinformation,see theWake-Upand DeviceComparisonTable(1)The devicecomparisontablesummarizesthe defaultregulatoroutputvoltagesand sequencingordersettingsforthe four availablevariantsof the detailson the preprogrammedregistermapvaluesthatdeterm inethesevoltageandstrobesequencesettings ,referto RegisterMaps. For detailson specificapplications,referto thePoweringthe AM335xwith the TPS65217xuser's (TARGETEDAT AM335x- ZCE)TPS65217B(TARGETEDAT AM335x- ZCZ)TPS65217C(TARGETEDAT AM335x- ZCZ)TPS65217D(TARGETEDAT AM335x- ZCZ)VOLTAGE(V)SEQUENCE(STROBE)VOLTAGE(V) SEQUENCE(STROBE)VOLTAGE(V)SEQUENCE(STROB E)VOLTAGE(V)SEQUENCE(STROBE) (1) (LDO,200 mA) (LDO,400 mA) (LDO,400 mA)2LS2 (LDO,200 mA) (LDO,400 mA) (LDO,400 mA)

7 4 ThermalPad48 INT_LDO13nWAKEUP1 VLDO236 ISET247 BYPASS14 MUX_IN2 VINLDO35 ISET146 LDO_PGOOD15NC3 VLDO134 ISINK145nINT16 MUX_OUT4 BAT33 ISINK244nRESET17NC5 BAT32 VIN_DCDC343LS2_OUT18 VIO6 BAT_SENSE31 L342LS2_IN19 VDCDC17 SYS30 PGND41 AGND20L18 SYS29 VDCDC340LS1_OUT21 VIN_DCDC19 PWR_EN28 SCL39LS1_IN22 VIN_DCDC210AC27 SDA38FB_WLED23L211TS26 PGOOD37L424 VDCDC212 USB25 NOVEMBER2011 REVISEDMARCH2018 ProductFolderLinks:TPS65217 SubmitDocumentationFeedbackCopyright 2011 2018,TexasInstrumentsIncorporated6 Pin Configurationand FunctionsRSLP ackage48-PinVQFNWithExposedThermalPadTop ViewNC No internalconnectionPin pin to an externaldc Analogground(GND).

8 Connectthe AGNDpin to the , 5 to the BAT_SENSEpin to the BATpin directlyat the voltage( ). TI doesnot recommendconnectingany externalload to this for the pin is also connectedto the anodeof voltage( V). TI doesnot recommendconnectingany externalload to this Connectthis pin to a resistorto groundto set the Connectthis pin to a resistorto groundto set the NOVEMBER2011 :TPS65217 SubmitDocumentationFeedbackCopyright 2011 2018,TexasInstrumentsIncorporatedPin Functions(continued) the pin to the cathodeof the SINK1pin equalscurrentthroughthe ISINK2pin. If only one WLED stringis used,shortthe ISINK1and ISINK2pins the pin to the cathodeof the SINK1pin equalscurrentthroughthe ISINK2pin.

9 If only one WLED stringis used,shortthe ISINK1and ISINK2pins for pin to the for pin to the for pin to the of the pin to the the LDOregulator(LDO1and LDO2only).This pin is a pin is pulledlow wheneitherthe LDO1or LDO2regulatoris out of for load switch1 (LS1)or LDO3LS1_OUT40 OOutputvoltagepin for load switch1 (LS1)or LDO3LS2_IN42 IInputvoltagepin for load switch2 (LS2)or LDO4LS2_OUT43 OOutputvoltagepin for load switch2 (LS2)or LDO4 MUX_IN14 OInputto analogmultiplexerMUX_OUT16 OOutputpin of analogmultiplexerNC15, 17 Not pin is an active-low, pin is pulledlow if an interruptbit is set. The outputgoeshigh afterthe bit causingthe interruptin the INT registeris be maskedin the INT register,suchthat no interruptis generatedwhenthecorrespondinginterruptbi t is This pin is an pin low causesthe PMICto shut pin returnsto a high voltagelevel,the PMIC powersup in its defaultstateaftera the host to indicatea pin is an active-low, pin is typicallyconnectedto a momentaryswitchto is an pin to the pin is a pin is pulledlow whenany of the powerrails are out of the DCDC1,DCDC2,and DCDC3converters,and the LDO1,LDO2,LDO3, this pin high to startthe the I2C interfaceSDA27I/ODataline for the I2C interfaceSYS7.

10 8 OSystemvoltagepin and outputof the voltageregulatorsare typicallypoweredfromthis pin to the NTCthermistorto sensethe pin workswith 10-k and 100-k moreinformation,see pin to an externalvoltagefroma feedbackvoltage-senseinputVDCDC224 IDCDC2outputand feedbackvoltage-senseinputVDCDC329 IDCDC3outputand feedbackvoltage-senseinputVINLDO2 IInputvoltagefor LDO1and LDO2 VIN_DCDC121 IInputvoltagefor pin mustbe connectedto the pin mustbe connectedto the pin mustbe connectedto the outputbuffersVLDO13 OOutputvoltageof NOVEMBER2011 REVISEDMARCH2018 ProductFolderLinks:TPS65217 SubmitDocumentationFeedbackCopyright 2011 2018,TexasInstrumentsIncorporatedPin Functions(continued) LDO2 Thermalpad Power-groundconnectionfor the thermalpad to the groundplane.