bq5105xB High-Efficiency Qi v1.2-Compliant Wireless Power ...

1 HOSTC4C3R4D1 NTCPACK+PACK-bq5105xBBATTERMADAD-ENCHGEN 2C1C2 CBOOT1 CBOOT2AC1AC2 COMM2 CLAMP2 CCOMM2 CCLAMP2RX COILBOOT1 RECTTS/CTRLBOOT2 CLAMP1 CCLAMP1 CCOMM1 COMM1Bi-StateR5 Tri-StatePGNDILIMRFODFODR1 ROSTI Wireless Power TransmitterTX COILC opyright 2016, Texas Instruments IncorporatedProductFolderOrderNowTechnic alDocumentsTools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand ,bq51051B,bq51052 BSLUSB42F JULY2012 REVISEDJUNE2017bq5105xBHigh-EfficiencyQi BatteryCharger11 Features1 Single-StageWirelessPowerReceiverand Li-Ion/Li-PolBatteryCharger CombinesWirelessPowerReceiver,Rectifier, and BatteryChargerin a Single,SmallPackage , ,and Supportsa ChargingCurrentup to A 93%PeakAC-DCChargingEfficiency RobustArchitecture 20-VMaximumInputVoltageTolerance.

2 WithInputOvervoltageProtection ThermalShutdownand OvercurrentProtection TemperatureMonitoringand FaultDetection Qi IndustryStandard PowerStageOutputTracksRectifierand BatteryVoltageto EnsureMaximumEfficiencyAcrosstheFull ChargeCycle Availablein SmallDSGBAand VQFNP ackages2 Applications BatteryPacks Cell Phonesand SmartPhones Headsets PortableMediaPlayers OtherHandheldDevices3 DescriptionThe bq5105xdeviceis a High-Efficiency ,Qi-compliantwirelesspowe rreceiverwithan integratedLi-Ion/Li-Pol batterychargecontrollerfor ,integratesthe digitalcontrollerrequiredto complywithQi ,andprovidesallnecessarycontrolalgorithm sneededfor efficientand safe Li-Ionand Li-Pol bq500212 Atransmitter-sidecontroller,the bq5105xenablesacompletewirelesspowertran sfersystemfor.

3 The receivercoil embeddedin the portabledevicecanpickup the powertransmittedby signalfromthe receivercoil is thenrectifiedand conditionedtoapplypowerdirectlyto the establishedfromthe receiverto the transmittertostabilizethe feedbackisestablishedby usingthe Qi low-impedancesynchronousrectifier,low-dr opoutregulator(LDO),digitalcontrol,charg ercontroller,andaccuratevoltageand currentloopsin a (rectifierandLDO)uselow-resistanceN-MOSF ETs(100-m typicalRdson)toensurehigh efficiencyand low (1)PARTNUMBERPACKAGEBODYSIZE(NOM)bq51050 Bbq51051 Bbq51052 BVQFN(20) (28) (1) For all availablepackages,see the orderableaddendumatthe end of the ,bq51051B,bq51052 BSLUSB42F JULY2012 :bq51050 Bbq51051 Bbq51052 BSubmitDocumentationFeedbackCopyright 2012 2017,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE.

4 Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (March2015)to RevisionFPage Changedall Qi and To: Qi and throughoutthe DeletedR1= R3= and addeda link to SLUS629in theInternalTemperatureSense(TSFunctionof the TS/CTRLPin) (January2014)to RevisionEPage AddedESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and Addedthe Addedthermalpad descriptioninPin AddedAD ChangedRECT overvoltagespecificationnamefromVRECTto Changedto ILIM_SHORT,OKfromILIM_SCfor AddedVOREGfor Addedminimumcurrentfor ChangedKILIMTYP valuefrom300 to 314 (min/ max also changed).

5 8 AddedIBULK specfor chargingminimumand AddedVRECHfor Addednew Changedto VTSB fromVTSfor ChangedfromITS-Biasfor DeletedV0C-Fas ChangedtypicalJEITA regulationon to ..83bq51050B,bq51051B, JULY2012 REVISEDJUNE2017 ProductFolderLinks:bq51050 Bbq51051 Bbq51052 BSubmitDocumentationFeedbackCopyright 2012 2017,TexasInstrumentsIncorporated Changedto clarifyCTRLpin high and low ChangedThermalshutdownnameto TJ-SDfor Addedsectionto ChangedSynchronousrectiferswitchovername to IBAT-SRfor Addedsynchronousmodeentryfor Deletednoteregardinginternaljunctionmoni torreducingcurrent- it is not Addedsectionon modifiedJEITA profilefor ChangedTS/CTRL functionto AddedTapermodecompletionfor ChangedBetavaluefrom4500to 3380to Changedreceivedpowermaximumerrorfrom250 mW to 375 mW to complywith (February2013)

6 To RevisionDPage Changedthe ABSOLUTEMAXIMUMRATINGS- movedAC1and AC2ontoa singlerow with a Min valueof ..6 Addedsection:Detailsof a Qi WirelessPowerSystemand Changedtext in the ChangedBatteryfailureConditionsin ChangedEquation3 and Equation4 ..25 ChangedR2= To: R1= ..25 ChangedR3= To: R3= in theInternalTemperatureSense(TS Functionof the TS/CTRLPin) ChangedTHOT= 0 C To: THOT= 60 (September2012)to RevisionCPage Firstreleaseof the full (August2012)to RevisionBPage Changedlast x x : AvailableinsmallWCSPand ChangedFigure1 and changedcaptionfrom:WirelessPowerConsorti um(WPCor Qi) InductivePowerChargingSystem,to: TypicalSystemblocksshowsbq5105xBusedas a WirelessPowerLi- Addednote.

7 Visit productdetailsand (August2012)to RevisionAPage ChangedRegulatedBAT(output) ChangedRechargethresholdfor ChangedVCOLDto VOCand 2 3 4 A B C D E F G PGNDPGNDPGNDPGNDAC2AC2AC1AC1 BOOT2 RECTRECTBOOT1 BATBATBATBATCOMM2 CLAMP2 CLAMP1 COMM1TS/CTRLFODAD-ENCHGILIMEN2 TERMADT hermalPad2AC13 BOOT14 BAT5 CLAMP16 COMM17 CHG8AD-EN9AD10 TERM11EN212 ILIM13 TS/CTRL14 FOD15 COMM216 CLAMP217 BOOT218 RECT19AC220 PGND1 PGND4bq51050B,bq51051B,bq51052 BSLUSB42F JULY2012 :bq51050 Bbq51051 Bbq51052 BSubmitDocumentationFeedbackCopyright 2012 2017,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsYFPP ackage28-PinDSBGATop ViewRHLP ackage20-PinVQFNWithExposedThermalPadTop ViewThe exposedthermalpad shouldbeconnectedto ,bq51051B, JULY2012 REVISEDJUNE2017 ProductFolderLinks.

8 Bq51050 Bbq51051 Bbq51052 BSubmitDocumentationFeedbackCopyright 2012 2017,TexasInstrumentsIncorporatedPin FunctionsPinI/ODESCRIPTIONNAMEDSBGAVQFNA C1B3, , AD functionalityis used,connectthis pin to the appliedtothis pin wirelesschargingis disabledand AD_ENnis drivenlow. Connecta 1- F capacitorfromADto unused,the capacitoris not requiredand AD shouldbe connecteddirectlyto externalPFET whenwiredchargingis not , deliverspowerto the batterywhileapplyingthe drivingthe high -sideFETsof the 10-nFceramiccapacitorfromBOOT1to AC1and fromBOOT2to activewhenBATis not usedfor a non-powerdissipativeovervoltageAC RECT voltagegoesabove15 V, bothswitcheswill be turnedon and the capacitorswillact as a low impedanceto protectthe used.

9 Capacitorsare usedto connectCLAMP1to AC1and CLAMP2to F communicatewith primaryby AC1and a capacitorfromCOMM2to AC2for capacitiveload resistivemodulationconnectCOMM1and COMM2to RECT througha set prioritybetweenwirelesspowerand enableswiredchargingsourceif AD inputvoltageis disableswiredchargingsourceand wirelesspoweris enabledif the Compatibilityfor for the total resistancefromILIMto PGND(RILIM) setsthe showsRILIMto be R1+ RFOD. Detailscan be , 20 PowergroundA2A3A4 RECTC2, C318 OFiltercapacitorfor the ceramiccapacitorto the powerlevels,the valuemay be F to 22 is usedto set the the batterycurrentlevelbelowwhichthe chargeprocesswill terminationcurrentis set as a percentageof (TS)and Control(CTRL)pin the TS functionalityconnectTS/CTRLto groundthrougha NegativeTemperatureCoefficient(NTC) an NTCfunctionis not desired,connectto PGND with a 10-k a CTRLpin pull low to sendend powertransfer(EPT)

10 Fault to the transmitteror pull up to an internalrail to sendEPTterminationto (TS Functionof the TS/CTRLPin)for moredetails. PAD The exposedthermalpad shouldbe connectedto ground(PGND).6bq51050B,bq51051B,bq51052 BSLUSB42F JULY2012 :bq51050 Bbq51051 Bbq51052 BSubmitDocumentationFeedbackCopyright 2012 2017,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mR