8-A Valley Current Synchronous Boost Converters …

1 SWVINENVOUTFBCCAGNDL11 PHC110 PFC222 PF x 3 OFFONPGNDLi-Ion VTPS61235 PINACTC opyright 2016, texas instruments IncorporatedOutput Current (A)Efficiency (%) V V V V InputProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand ,TPS61236 PSLVSCK4A SEPTEMBER2015 REVISEDMAY2016 TPS6123x8-A ValleyCurrentSynchronousBoostConvertersw ith ConstantCurrentOutputFeature11 Features1 Up to 97%EfficiencySynchronousBoost Up to 5-V Conversion 10-A14-m /14-m InternalPowerSwitches ProgrammableConstantOutputCurrent OutputCurrentMonitor 10- A IQunderLightLoadCondition BoostStatusIndication Truedisconnectionduringshutdown (TPS61235P) (TPS61236P)

2 1-MHzSwitchingFrequency Softstart,CurrentLimit,OverVoltageand OverThermalProtections mm x mm VQFNP ackage2 Applications PowerBanks,BatteryBackupUnits USBC hargingPort USBType-C BatteryPoweredUSBHub TabletPCs BatteryPoweredProducts3 DescriptionTheTPS6123xis a highcurrent,highefficiencysynchronousboo stconverterwithconstantoutputcurrentfeat urefor singlecell Li-Ionand Li-polymerbatterypoweredproducts,in a widerangeof powerbank,tablet, /14-m powerswitchesandiscapableof deliveringup to a 5-Vconversionwithup to 97% programmableconstantoutputcurrentto controlpowerdelivery,soto deviceonly consumesa 10- A quiescentcurrentundera lightloadcondition,andcanreportloadstatu sto the system,whichmakeit TPS6123x,a simpleandflexiblesystemdesigncanbe achieved,eliminatingexternalpowerpathcom ponents,savingPCBspace,and shutdown,the outputis completelydisconnectedfromthe input,and currentconsumptionis reducedtoless than1 A.

3 Otherfeatureslike soft startcontrol,reversecurrentblocking,over voltageprotection,andthermalshutdownprot ectionare built-infor availablein a (1)PARTNUMBERPACKAGEBODYSIZE(NOM)TPS6123 5 PVQFN(9) x (9) x (1) For all availablepackages,see the orderableaddendumatthe end of the (TPS61235P)2 TPS61235P,TPS61236 PSLVSCK4A SEPTEMBER2015 :TPS61235 PTPS61236 PSubmitDocumentationFeedbackCopyright 2015 2016,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationsand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (September2015)to RevisionAPage Changedpart numbersto TPS61235 Pand TPS61236 Pfor , SEPTEMBER2015 REVISEDMAY2016 ProductFolderLinks.

4 TPS61235 PTPS61236 PSubmitDocumentationFeedbackCopyright 2015 2016,TexasInstrumentsIncorporated5 VTPS61236 PAdjustable6 Pin Configurationand FunctionsRWLP ackage9-PinVQFNTop ViewPin switchpin of the is connectedto the drainof the Connecta resistorto this pin to programthe capacitorshouldbe connectedin parallelto stabilizethe pin to theAGNDpin to disablethe of adjustableversion(TPS61236P).Mustbe connectedto VOUTpin on fixedoutputvoltageversion(TPS61235). enablesthe disablesthe deviceand puts it pin mustbe terminatedand cannotbe left externalpull downresistorconnectedto this pin is be left float or connectedto AGNDpin if not ,TPS61236 PSLVSCK4A SEPTEMBER2015.

5 TPS61235 PTPS61236 PSubmitDocumentationFeedbackCopyright 2015 2016,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderabsolutemaximu mratingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder recommendedoperatingconditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmy affectdevicereliability.(2)All voltagesare with respectto (unlessotherwisenoted)(1)MINMAXUNITV oltage(2)VIN,EN, VOUT,CC, INACT,FB ,TJ 40150 CStoragetemperature,Tstg 65150 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.

6 (2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHuman-bodymod el(HBM),per ANSI/ESDA/JEDECJS-001(1) 4000 VCharged-devicemodel(CDM),per JEDEC specificationJESD22-C101(2) 1500(1)The maximuminputvoltageshouldbe outputvoltagein ConstantVoltageoperationfor the TPS6123xto functioncorrectly.(2) s deratingeffectunderbias shouldbe (1)Supplyvoltageat VIN (TPS61235P) (TPS61236P) HCIE ffectiveinputcapacitance(2) FCOE ffectiveoutputcapacitance(2)20 FCRCCC apacitorparallelwith the RCCresistorconnectedat CC pin110nFRINACTINACTpin pull up resistance1M RENEN pin pull downresistance1M TJOperatingjunctiontemperature 40125 C(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC (1)TPS61235 PUNITTPS61236 PRWL(VQFN)9 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/WR JC(bottom)

7 Junction-to-case(bottom) C/W5 TPS61235P, SEPTEMBER2015 REVISEDMAY2016 ProductFolderLinks:TPS61235 PTPS61236 PSubmitDocumentationFeedbackCopyright 2015 2016, 40 C to 125 C and VIN= V. Typicalvaluesare at TJ= 25 C, VINIC enabled,No Load,No switching,VOUT= V511 AQuiescentcurrentinto VOUT530 AISDS hutdowncurrentinto VINIC disabled,TJ= 40 C to 85 , , , , FB pinTPS61235P,VFB= V4000nATPS61236P,VFB= SW pinIC disabled,TJ= 40 C to 85 C,VSW= AILKG_VOUTL eakagecurrentinto VOUTpinIC disabled,TJ= 40 C to 85 C,VOUT= ALine regulationIOUT= 2A, VIN= V to V,VOUT= A to 3 A, VIN= V,VOUT= (on)

8 Highside MOSFETon resistanceVOUT= V1430m Low side MOSFETon resistanceVOUT= V1430m fswSwitchingfrequencyVOUT= V, PWMmode75010001250kHzConstantoutputcurre ntlimit accuracyRCC= 124 k ,TJ= 25 C 15%15%RCC= ,TJ= 25 C 10%10%RCC= ,TJ= 20 C to 125 C 15%15%ILIMS witchvalleycurrentlimitTJ= 20 C to 100 0 V,TJ= 0 C to 125 2 3 V50mAtINACT_delayDeglitchdelayVOUT= V15msTSDT hermalshutdownthresholdTJrising140 CHysteresis15 C6 TPS61235P,TPS61236 PSLVSCK4A SEPTEMBER2015 :TPS61235 PTPS61236 PSubmitDocumentationFeedbackCopyright 2015 2016,TexasInstrumentsIncorporatedElectri calCharacteristics(continued)TJ= 40 C to 125 C and VIN= V.

9 Typicalvaluesare at TJ= 25 C, Logichigh Logiclow pin inputleakagecurrentEN pin connectedto GNDor AVINACTINACTpin outputlow levelvoltageISINK_INACT= 80 Temperature (qC)Supply Current (PA)-40-200204060800510152025D001 Output Voltage (V)DC Pre-Charge Current (A) = VVIN = VVIN = VOutput Current (A)Efficiency (%) V V V V InputInput Voltage (V)Supply Current (PA) Current (A)Efficiency (%) V V V InputOutput Current (A)Efficiency (%) V V V V Input7 TPS61235P, SEPTEMBER2015 REVISEDMAY2016 ProductFolderLinks:TPS61235 PTPS61236 PSubmitDocumentationFeedbackCopyright 2015 2016, V, VOUT= V, TJ= 40 C to 125 C, V (TPS61236P),CC pin connectedto GNDF igure1.

10 Efficiencyvs OutputCurrentwithDifferentInputsVOUT= V (TPS61235P),CC pin connectedto GNDF igure2. Efficiencyvs OutputCurrentwithDifferentInputsVOUT= V (TPS61236P),CC pin connectedto GNDF igure3. Efficiencyvs OutputCurrentwithDifferentInputsVOUT= V (TPS61235P),No Load,TA= 25 CFigure4. No LoadSupplyCurrentvs InputVoltageVOUT= V (TPS61235P),VIN= V, No LoadFigure5. No LoadSupplyCurrentvs AmbientTemperatureTA= 25 CFigure6. DC Pre-ChargeCurrentvs OutputVoltageInput Voltage (V)Constant Output Current (A) = k:RCC = k:RCC = 124 k:Ambient Temperature (qC)Constant Output Current (A) Voltage (V) Current Limit (A) Temperature (qC)Limit Current (A) Voltage (V)DC Pre-Charge Current (A) = 85qCTA = 25qCTA = -40qCInput Voltage (V)Minimum Resistance at Startup (:) ,TPS61236 PSLVSCK4A SEPTEMBER2015.