源碼手環(huán)硬件芯片手冊(cè)

le&Support&Tools&sbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYbq2404x1A，單輸入，單節(jié)鋰離子和鋰聚合物電池充電器，具有自動(dòng)啟動(dòng)1? bq2404x系列器件是面向空間受限的便攜應(yīng)用的高度USB–––1%10%USB100mA500mA最大輸入電流可編程終止和預(yù)充電閾值，bq24040bq24045(4.35V)bq2404x––?控制環(huán)路都 IC–30V6.6V7V的輸入125°C熱調(diào)節(jié)；150°COUTISETNTC-1/2快速充電電流，高4.06V電壓，bq24040bq24045可在JEITA范圍內(nèi)運(yùn)行10小時(shí)安全定時(shí)器，bq24040––––bq24040bq24045上的外部電阻進(jìn)– le&Support&Tools&sbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYbq2404x1A，單輸入，單節(jié)鋰離子和鋰聚合物電池充電器，具有自動(dòng)啟動(dòng)1? bq2404x系列器件是面向空間受限的便攜應(yīng)用的高度USB–––1%10%USB100mA500mA最大輸入電流可編程終止和預(yù)充電閾值，bq24040bq24045(4.35V)bq2404x––?控制環(huán)路都 IC–30V6.6V7V的輸入125°C熱調(diào)節(jié)；150°COUTISETNTC-1/2快速充電電流，高4.06V電壓，bq24040bq24045可在JEITA范圍內(nèi)運(yùn)行10小時(shí)安全定時(shí)器，bq24040––––bq24040bq24045上的外部電阻進(jìn)–?–時(shí)器禁用模式(TTDM)，bq2040和bq24045-充電/2mmx2mm2(DFN)-10封裝–––2????OUTTS器CHGPRETERMISET2NCPRODUCTIONDATAinformationiscurrentasofpublicationdate.ProductsconformtospecificationsperthetermsoftheInstrumentsstandardwarranty.ProductionsingdoesnotsarilyincludetestingofallEnglishDataSheet:2mmxWSON2mmxWSON2mmxbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARY123456特 應(yīng)用范 說 修訂歷 TerminalConfigurationand FunctionalBlock Feature DeviceFunctional 8Applicationand Application Typical 9er um bq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARY123456特 應(yīng)用范 說 修訂歷 TerminalConfigurationand FunctionalBlock Feature DeviceFunctional 8Applicationand Application Typical 9er um 10.1Layout Handling mendedOperating Thermal Electrical Timing TypicalOperationalCharacteristics(ProtectionCircuitsWaveforms) 10.2Layout 器件和文檔支 ElectrosicDischarge 7Detailed 7.1 機(jī)械封裝和可訂購(gòu)信 NOTE:Pagenumbersforprevioussmaydifferfrompagehecurrent.ChangesfromD(March2013)toE????????已將數(shù)據(jù)表格式更改為全新的TI標(biāo) AddedtheHandlingRatings ChangedtheDissipationRatingtablewiththeThermalInformation ChangedheElectricalCharacteristicstabletoincludenewvalues AddedtheTimingRequirements DeletedtheparagraphoftheTS(bq24040/5) AddedtheApplicationPerformance AddedtheLayout ChangesfromC(February2013)toD????????已將特性從：固定10小時(shí)安全定時(shí)器更改為：固定10小時(shí)安全定時(shí)器，bq24040和 ChangedtheOUTterminal ChangedRISETNOMheROCtableFrom:49.9kΩTo:10.8 ChangedRISET_SHORTtestconditionsFrom:RISET:600Ω→250ΩTo:RISET:540Ω→ ChangedIOUT_CLtestconditionsFrom:RISET:600Ω→250ΩTo:RISET:540Ω→ ernallySet:bq24041fromtheTERMINATION Addedbq24040andbq24045onlytotheBATTERYCHARGINGTIMERSANDFAULTTIMERS ChangedheISETsectionFrom:umcurrentn1.1Aand1.35A"To:umn1.05Aand ??ChangedtheTimers Deleted:IOUT_TERM=54mAfromtheTypicalApplicationCircuit:bq24041,SIandASO 2?2009–2014,TexasInstrumentsbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYChangesfromB(June2012)toC????已添加器件bq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYChangesfromB(June2012)toC????已添加器件 AddedadditionalKISETinformationtotheElectricalCharacteristics Addedgraph-Load Addedgraph-Line ChangesfromA(September2009)toB已將所有出現(xiàn)鋰離子的部分更改為：鋰離子和鋰聚合 ChangesfromOriginal(August2009)toA?器件狀態(tài)從：產(chǎn)品預(yù)覽改為：生產(chǎn)數(shù) 3?2009–2014,TexasInstrumentsbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYDevice5TerminalConfigurationandbq24040andTerminalSpinshavedifferentterminal4Copyright?2009–2014,TexasInstruments9876987611I er,connectedtoexternal upply(ACadapterorUSBport).Expectedrangeofbypasscapacitors1μFto10μF,connectfrom oVSS.OBatteryConnection.SystemLoadmaybeconnected.Expectedrangeofbypasscapacitors1μFtoPRE-4–IProgramstheCurrentTerminationThreshold(5to50%ofIoutwhichissetbyISET)andSetsthePre-ChargeCurrenttotwicetheTerminationCurrentLevel.Expectedrangeofprogrammingresistoris1kto10k?(2k:Ipgm/10forterm;Ipgm/5for22IProgramstheFast-chargecurrentsetting.ExternalresistorfromISETbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYDevice5TerminalConfigurationandbq24040andTerminalSpinshavedifferentterminal4Copyright?2009–2014,TexasInstruments9876987611I er,connectedtoexternal upply(ACadapterorUSBport).Expectedrangeofbypasscapacitors1μFto10μF,connectfrom oVSS.OBatteryConnection.SystemLoadmaybeconnected.Expectedrangeofbypasscapacitors1μFtoPRE-4–IProgramstheCurrentTerminationThreshold(5to50%ofIoutwhichissetbyISET)andSetsthePre-ChargeCurrenttotwicetheTerminationCurrentLevel.Expectedrangeofprogrammingresistoris1kto10k?(2k:Ipgm/10forterm;Ipgm/5for22IProgramstheFast-chargecurrentsetting.ExternalresistorfromISETtoVSSdefinesfastchargecurrentvalue.Rangeis10.8k(50mA)to540?(1000mA).77IProgrammingtheInput/Outp urrentLimitfortheUSBorAdaptorsource:bq24040/5=>High=500mAmax,Low=ISET,FLOAT=100mAmax.bq24041=>High=410mAmax,Low=ISET,FLOAT=100mAmax.–ITemperaturesenseterminalconnectedtobq24040/5-10kat25°CNTCthermistor, hebatterypack.FloatingTterminalorpullingHighputspart TDM“Charger”ModeanddisableTSmonitoring,TimersandTermination.PullingterminalLowdisablestheIC.IfNTCsensingisnotneeded,connectthisterminaltoVSSthroughanexternal10k?resistor.A250k?fromTStogroundwillpreventICenteringTTDMmodewhenbatterywiththermistorisremoved.–9IChargeEnableInput(active33–Ground88OLow(FETon)indicateschargingandOpenDrain(FEToff)indicatesnoChargingorCharge55OLow(FETon)indicatestheinputvoltageisaboveUVLOandtheOUT(battery)–4IAutostartExternalinput.ernal200kΩpull-–6OAutoStartLogic6–Donotmakeaconnectiontothisterminal(forernaluse)–DonotroutethroughthisThermalPADand–Thereisanernalelectricalconnectionbet ntheex edthermalpadandtheVSSterminalofthedevice.ThethermalpadmustbeconnectedtothesamepotentialastheVSSterminalonthepredcircuitboard.Donotusethethermalpadastheprimarygroundinputforthedevice.VSSterminalmustbeconnectedtogroundatalltimes 2345 2345PART4.206.6TS10terminal2×2mm24.207.1Terminaton10terminal2×2mm2TS10terminal2×2mm2bq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYumoveroperatingfree-airtemperaturerange(unlessotherwiseStressesbeyondthoselistedunderumratingsmaycausepermanentdamagetothedevice.Thesearestressonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedmendedconditionsisnotimpd.uretoum-ratedconditionsforextendedperiodsmayaffectdevicereliability.Allvaluesarewithrespecttothenetworkground lessotherwiseHandlingElectrosicdischarge(ESD)tomeasuredevitothedevice.ensitivityandimmunitytodamagecausedbyassemblylineelectrosbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYumoveroperatingfree-airtemperaturerange(unlessotherwiseStressesbeyondthoselistedunderumratingsmaycausepermanentdamagetothedevice.Thesearestressonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedmendedconditionsisnotimpd.uretoum-ratedconditionsforextendedperiodsmayaffectdevicereliability.Allvaluesarewithrespecttothenetworkground lessotherwiseHandlingElectrosicdischarge(ESD)tomeasuredevitothedevice.ensitivityandimmunitytodamagecausedbyassemblylineelectrosicdischargesThetestwasperformedonICtmaypotentiallybeedtothecustomerattheproductlevel.Thebq2404xICrequiresminimumofthelistedcapacitance,externaltotheIC,topasstheESDtest.TheD+D-linesrequirecl02SRfromCMDtoprotecttheICforthistesting.chasLevellistedaboveisthepassinglevelperANSI/ESDA/JEDECJS-001.JEP155t500VHBMallowsmanufacturingstandardESDcontrolLevellistedaboveisthepassinglevelperEIA-JEDECJESD22-C101.JEP157t250VCDMallowsmanufacturingstandardESDcontrolmendedOperatingOperationwithVINn4.5Vorindrop-outmayresultinreduced5Copyright?2009–2014,TexasInstruments INvoltage VINoperatingvoltagerange,RestrictedbyVDPMand V A urrent,OUTA Junction RPRE- Programsprechargeandterminationcurrent Fast-chargecurrentprogramming 10kNTCthermistorrangewithoutenteringBAT_ENor MStorage VESD1μF nINandx5RCeramicorHumanBody (HBM)ESDStressVoltageVChargedDevice (CDM)ESDStressV InputIN(withrespecttoVOUT(withrespectto 7VPRE-TERM,ISET,ISET2,TS,CHG,PG,ASI,(withrespectto7V A AOutputSink Junctionbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARY6.4Thermal(1)Formoreinformationabouttraditionalandnewthermalmetrics,seetheICPackageThermalMetricsapplicationreport,6.5ElectricalOverjunctiontemperaturerange0°C≤TJ≤125°Cmendedsupplyvoltage(unlessotherwise6Copyright?2009–2014,TexasInstrumentsTESTM Undervoltagelock-outVIN:0V→4VUpdatebasedon bq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARY6.4Thermal(1)Formoreinformationabouttraditionalandnewthermalmetrics,seetheICPackageThermalMetricsapplicationreport,6.5ElectricalOverjunctiontemperaturerange0°C≤TJ≤125°Cmendedsupplyvoltage(unlessotherwise6Copyright?2009–2014,TexasInstrumentsTESTM Undervoltagelock-outVIN:0V→4VUpdatebasedon V HysteresisonVUVLO_RISEVIN:VUVLO_FALL=VUVLO_RISE–VHYS- ergooddetectionisVOUT+VIN- ergoodifVIN>VOUT+VIN-DT);VOUT=3.6V,VIN:3.5V→4V VHYS- HysteresisonVIN-DTVOUT=3.6V,VIN:4V→ Inputover-voltageprotectionVIN:5V→12V(bq24040, VVIN:5V→12V VHYS- HysteresisonVIN:11V→ USB/Adaptorlowinputprotection.Restricts VIN-FeatureactiveinUSBmode;LimitInputSourceCurrentto50mA;VOUT=3.5V;RISET=825? VFeatureactiveinAdaptormode;LimitInputSourceCurrentto50mA;VOUT=3.5V;RISET= IIN-USB-USBinputI-LimitISET2=Float;RISET= USBinputI-Limit500mA,bq24040,ISET2=High;RISET= USBinputI-Limit380mA,ISET2=High;RISET= ISETSHORTCIRCUIT HighestResistorvalueconsideredfault(short).MonitoredforRISET:540?→250?,Ioutlatchesoff.CycleertoReset. ? umO urrentlimitRegulation VIN=5V,VOUT=3.6V,VISET2=Low,RISET:→250?,IOUTlatchesoftertDGL- ABATTERYSHORT OUTterminalshort-circuitthreshold/prechargeVout:3V→0.5V,no VVOUT(SC- OUTterminalShortRecovery≥VOUT(SC)+VOUT(SC-Rising,no SourcecurrenttoOUTterminalduringshort-circuitdetection QUIESCENT BatterycurrentoOUTVIN=1 OUTterminalcurrent,VIN=6V,VOUT>6 Standbycurrent TS=LO,VIN≤ Activesupply TS=open,VIN=6V,TTDM–noloadonOUTterminal,VOUT>VOUT(REG),ICenabled DSQ(10 Junction-to-ambient Junction-to-case(top) Junction-to-board Junction-to-topcharacterization Junction-to-boardcharacterization Junction-to-case(bottom)bq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYElectricalCharacteristicsOverjunctiontemperaturerange0°C≤TJ≤125°Cmendedsupplyvoltage(unlessotherwise7Copyright?2009–2014,TexasInstrumentsTEST BATTERYCHARGERFAST- BatteryregulationVIN=5.5V,IOUT=(VTS-45C≤VTS≤VTS-0C, VVIN=bq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYElectricalCharacteristicsOverjunctiontemperaturerange0°C≤TJ≤125°Cmendedsupplyvoltage(unlessotherwise7Copyright?2009–2014,TexasInstrumentsTEST BATTERYCHARGERFAST- BatteryregulationVIN=5.5V,IOUT=(VTS-45C≤VTS≤VTS-0C, VVIN=5.5V,IOUT=(VTS-45C≤VTS≤VTS-0C, BatteryhotregulationVIN=5.5V,IOUT=(VTS-45C≤VTS≤VTS-0C, VVIN=5.5V,IOUT=(VTS-45C≤VTS≤VTS-0C, ProgrammedOutput“fastcurrentVOUT(REG)>VOUT>VLOWV;VIN=5V,ISET2=Lo,RISET=540to10.8k? N- Drop-Out,VIN–AdjustVINdownuntilIOUT=0.5A,VOUT=4.15V,RISET=540,ISET2=Lo(adaptormode);TJ≤ Output“fastcharge”VOUT(REG)>VOUT>VLOWV;VIN=5V,ISET2=A FastchargecurrentRISET=KISET/IOUT;50<IOUT<1000 RISET=KISET/IOUT;25<IOUT<50 RISET=KISET/IOUT;10<IOUT<25 FastchargecurrentfactorRISET=KISET/IOUT;50<IOUT<1000 RISET=KISET/IOUT;25<IOUT<50 RISET=KISET/IOUT;10<IOUT<25 PRECHARGE–SETBYPRETERMterminal:bq24040/ ernallySet: Pre-chargetofast-charge VIPRE- SeetheTerminationPre-chargecurrent,defaultVOUT<VLOWV;RISET=1080?;bq24040:TERM=HighZ;bq24041:ernally Pre-chargecurrentRPRE-TERM=KPRE-CHG(?/%)×%PRE-CHGRPRE-TERM/KPRE-KPRE- %Pre-chargeVOUT<VLOWV,VIN=5V,RPRE-TERM=2kto10k?;RISET=1080?,RPRE-TERM=KPRE-CHG×%IFAST-CHG,where%IFAST-CHGis20to VOUT<VLOWV,VIN=5V,RPRE-TERM=1kto2k?;RISET=1080?,RPRE-TERM=KPRE-CHG×%IFAST-CHG,where%IFAST-CHGis10%to TERMINATION–SETBYPRE-TERMterminal:bq24040/TerminationThresholdCurrent,defaultVOUT>VRCH;RISET=1k;bq24040/RPRE-TERM=High TerminationCurrentThresholdFormula,bq24040/bq24045RPRE-TERM=KTERM(?/%)×%TERMRPRE-TERM/ %TermVOUT>VRCH,VIN=5V,RPRE-TERM=2kto10k?;RISET=750?KTERM×%IFAST-CHG,whereCHGis10to VOUT>VRCH,VIN=5V,RPRE-TERM=1kto2k?RSET=750?KTERM×%Iset,where%Isetis5%Currentforprogrammingtheterm. IPRE- pre-chgwithresistor.ITerm-Startis RE-TERM=2k,VOUT=initialPRE-TERM TerminationcurrentRTERM/%ElevatedPRE-TERMcurrentfor, Start,duringstartofchargetopreventrechargeoffullbattery, RECHARGEORREFRESH–bq24040/Rechargedetectionthreshold–NormalTempVIN=5V,VTS=0.5V,VOUT:4.25V→VO(REG)VO(REG)–0.095 VRechargedetectionthreshold–HotVIN=5V,VTS=0.2V,VOUT:4.15V→ VO_HT(REG) Vbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYElectricalCharacteristicsOverjunctiontemperaturerange0°C≤TJ≤125°Cmendedsupplyvoltage(unlessotherwise8Copyright?2009–2014,TexasInstrumentsTEST BATTERYDETECTROUTINE–bq24040/bq24045(NOTE:InHotmode esVOVREG- VOUTReducedregulationbatteryVIN=5V,VTS=0.5V,BatteryVO(REG)-VO(REG)-bq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYElectricalCharacteristicsOverjunctiontemperaturerange0°C≤TJ≤125°Cmendedsupplyvoltage(unlessotherwise8Copyright?2009–2014,TexasInstrumentsTEST BATTERYDETECTROUTINE–bq24040/bq24045(NOTE:InHotmode esVOVREG- VOUTReducedregulationbatteryVIN=5V,VTS=0.5V,BatteryVO(REG)-VO(REG)- VIBD- SinkcurrentduringVREG- VBD- HighbatterydetectionVIN=5V,VTS=0.5V,BatteryVO(REG)-VO(REG)-0.100 VVBD- LowbatterydetectionVIN=5V,VTS=0.5V,BatteryVREG- VREG-BD VREG- VBATTERY-PACKNTCMONITOR;TSTerminal:bq24040/bq24045:10kC- NTCbiasVTS= 10kNTCbiascurrentwhenC-DIS- isVTS= Cisreducedpriorto TTDMtokeepcoldthermistorfromenteringTTDMVTS:Setto1 TerminationandtimerdisablemodeThreshold–EnterVTS:0.5V→1.7V;TimerHeldin VHYS- HysteresisexitingVTS:1.7V→0.5V;Timer umvoltageVTS=Open TSvoltage CisreducekeepthermistorfromenteringCadjustment(90to10%;45to6.6uS)takesplacenearthisspecthreshold.VTS:1.425V→ OptionalCapacitance–VTS-0 LowtemperatureCHGLowTempChargingtoPending;VTS:1V→1.5V VHYS-0 HysteresisatChargependingtolowtempcharging;VTS:1.5V→1VVTS-10 Lowtemperature,halfNormalchargingtolowtempcharging;VTS:0.5V→1V VHYS-10 HysteresisatLowtempchargingtonormalCHG;VTS:1V→0.5VVTS-45 HightemperatureatNormalchargingtohightempCHG;VTS:0.5V→0.2V VHYS-45 HysteresisatHightempchargingtonormalCHG;VTS:0.2V→0.5VVTS-60 HightemperatureHightempchargetopending;VTS:0.2V→0.1V VHYS-60 HysteresisatChargependingtohightempCHG;VTS:0.1V→0.2V - ChargeEnableThreshold,(10kVTS:0V→ VTS-DIS_HYS-10kHYSbelow -10ktoDisable,VTS:0.125V→THERMAL Temperatureregulaion ThermalshutdownTJ(OFF- ThermalshutdownBAT_EN,I CurrentSourcedoutofVBAT_EN<1.4 LogicLOWenables V LogicHIGHdisables V Floaing FloatingBAT_EN Vbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYElectricalCharacteristicsOverjunctiontemperaturerange0°C≤TJ≤125°Cmendedsupplyvoltage(unlessotherwise9Copyright?2009–2014,TexasInstrumentsTESTMbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYElectricalCharacteristicsOverjunctiontemperaturerange0°C≤TJ≤125°Cmendedsupplyvoltage(unlessotherwise9Copyright?2009–2014,TexasInstrumentsTESTM LOGICLIVELSON LogicLOWinputSink8V LogicHIGHinputSource8V SinkcurrentrequiredforVISET2= SourcecurrentrequiredforVISET2= ISET2Float AUTOSTART,ASIANDASOterminalS, Has200kernalPull-V AutoStartOutputSinksV AutoStartInput VOUT-LOGICLEVELSONCHGAND OutputLOWISINK=5V LeakagecurrentoVCHG=5V,VPG=1bq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYTimingCopyright?2009–2014,TexasInstruments DeglitchtimeonexitingTimemeasuredfromVIN:0V→5V1μsrise-timetoPG=low,VOUT=3.6VDeglitchtimeonVHYS-INDT erdown.Sameasenteringsleep.TimemeasuredfromVIN:5V→3.2V1μsfall-timetoPG=OC,VOUT=3.6VtDGL(OVP-Inputover-voltage ingVIN:5V→Deglitchtime TimemeasuredfromVIN:12V→5V1μsfall-timetoPG=LOISETSHORTCIRCUITbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYTimingCopyright?2009–2014,TexasInstruments DeglitchtimeonexitingTimemeasuredfromVIN:0V→5V1μsrise-timetoPG=low,VOUT=3.6VDeglitchtimeonVHYS-INDT erdown.Sameasenteringsleep.TimemeasuredfromVIN:5V→3.2V1μsfall-timetoPG=OC,VOUT=3.6VtDGL(OVP-Inputover-voltage ingVIN:5V→Deglitchtime TimemeasuredfromVIN:12V→5V1μsfall-timetoPG=LOISETSHORTCIRCUITDeglitchtimetransitionfromISETshorttoIOUTdisableClearfaultbydisconnectingINorcycling(high/low)1PRECHARGE–SETBYPRETERMPIN:bq24040/ ernallySet:Deglitchtimeonpre-chargetofast-chargetransiionDeglitchtimeonfast-chargetopre-chargetransiionTERMINATION–SETBYPRE-TERMPIN:bq24040/Deglitchtime,terminationElevatedterminationthresholdinitiallyactivefortTerm-StartRECHARGEORREFRESH–bq24040/Deglitchtime,rechargethresholdVIN=5V,VTS=0.5V,VOUT:4.25V→3.5VintDGL(RCH)istimetoISETDeglitchtime,rechargethresholddetectedinOUT-DetectModeVIN=5V,VTS=0.5V,VOUT=3.5Vinserted;istimetoISETBATTERYDETECTROUTINE–bq24040/bq24045(NOTE:InHotmode esVORegulationtimeatVREGorVREG-BATTERYCHARGINGTIMERSANDFAULTTIMERS:bq24040andbq24045Pre-chargesafetytimerRestartswhenenteringPre-charge;Alwaysenabledwheninpre-charge.sChargesafetytimerClearsfaultorresetsatUVLO,TS/BAT_ENdisable,OUTShort,exitingLOWVandRefreshsBATTERY-PACKNTCMONITOR;TSTerminal:bq24040/bq24045:10kDeglitchexitTTDM nsDeglitchenterTTDM ns8DeglitchforTSthresholds:NormaltoColdOperation;VTS:0.6V→ColdtoNormalOperation;VTS:1V→DeglitchforTSthresholds:Batterybq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARY6.7TypicalOperationalCharacteristics(ProtectionCircuitsSETUP:bq24040typicalapplicationsschematic;VIN=5V,VBAT=3.6V(unlessotherwiseVOatR=100LowtoHigh(mayoccurinrechargetofastcharge)VOatHightoLow(mayoccurinVoltageRegulation-rVatO5VI-InputVoltageDC-600IO- urrent-0Figure2.LineFigure1.KisetforLowandHigh4Vregat4Vregat4Vregat440 ILOAD-Current-0001IO- urrent-Figure4.LoadFigure3.LoadRegulationOver363IOat362IOat362362IOat361456723VO-OutputVoltage-4VIN-InputVoltage-Figure5.LineFigure6.CurrentRegulationbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARY6.7TypicalOperationalCharacteristics(ProtectionCircuitsSETUP:bq24040typicalapplicationsschematic;VIN=5V,VBAT=3.6V(unlessotherwiseVOatR=100LowtoHigh(mayoccurinrechargetofastcharge)VOatHightoLow(mayoccurinVoltageRegulation-rVatO5VI-InputVoltageDC-600IO- urrent-0Figure2.LineFigure1.KisetforLowandHigh4Vregat4Vregat4Vregat440 ILOAD-Current-0001IO- urrent-Figure4.LoadFigure3.LoadRegulationOver363IOat362IOat362362IOat361456723VO-OutputVoltage-4VIN-InputVoltage-Figure5.LineFigure6.CurrentRegulationOverCopyright?2009–2014,TexasInstrumentsVOUT-OutputVoltage-VOUT-OutputVoltage-Kiset-VREG-Voltage--VOUT-OutputVoltageDC-VREGatVREGatVREGatVREGatVREGatVREGatVREGatbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARY Detailed7.1Thebq2404xisaegratefamilyofbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARY Detailed7.1Thebq2404xisaegratefamilyof2×2singlecellLi-IonandLi-Polchargers.Thechargercanbeusedchargeabattery,erasystemorboth.Thechargerhasthreephasesofcharging:Pre-chargetorecoverafullydischargedbattery,fast-chargeconstantcurrenttosupplythebuckchargesafelyandvoltageregulationtosafelyreachfullcapacity.Thechargerisveryflexible,allowingprogrammingofthefast-chargecurrentandPre-charge/TerminationCurrent(bq24040/5only).ThischargerisdesignedtoworkwiUSBconnectionorAdaptor(DCout).Thechargeralsocheckstoseeifabatteryispresent.Thechargeralsocomeswifullsetofsafetyfeatures:JEIemperatureStandard(bq24040/5only),Over-VoltageProtection,DPM-IN,SafetyTimers,andISETshortprotection.Allofthesefeaturesandmorearedescribedindetailbelow.ThechargerisdesignedforaathfromtheinputtotheoutputtochargeasinglecellLi-IonLi-Polbatterypack.Uponapplicationofa5VDC ersourcetheISETandOUTshortchecksareperformedto reaproperchargecycle.IfthebatteryvoltageisbelowtheLOWVthreshold,thebatteryisconsidereddischargedandapreconditioningcycegins.TheamountofprechargecurrentcanbeprogrammedusingthePRE-TERMterminalwhichprogramsrcentostchargecurrent(10to100%)astheprechargecurrent.Thisfeatureisusefulwhenthesystemloadisconnectedacrossthebattery“stealing”thebatterycurrent.Theprechargecurrentcanbesethighertoaccountforthesystemloadingwhileallowingthebatterytobeproperlyconditioned.ThePRE-TERMterminalisadualfunctionterminalwhichsetstheprechargecurrentlevelandtheterminationthresholdlevel.Thetermination"currentthreshold"isalwayshalfoftheprechargeprogrammedcurrentlevel.OncethebatteryvoltagehaschargedtotheVLOWVthreshold,fastchargeisinitiatedandthefastchargecurrentisappd.ThefastchargeconstantcurrentisprogrammedusingtheISETterminal.Theconstantcurrentprovidesthebulkofthecharge.erdissipationheICisgreatestinfastchargewilowerbatteryvoltage.IftheICreaches125°CtheICentersthermalrequlation,slowsthetimerclockbyhalfandreducethechargecurrentasneededtokeepthetemperaturefromrisinganyfurther.Figure7showsthechargingprofilewiththermalregulation.Typicallyundernormaloperatingconditions,theIC’sjunctiontemperatureislessn125°Candthermalregulationisnotentered.Oncethecellhaschargedtotheregulationvoltagethevoltagelooptakescontrolandholdsthebatteryattheregulationvoltageuntilthecurrenttrstotheterminationthreshold.Theterminationcanbedisabledifdesired.TheCHGterminalislow(LEDon)duringthechargecycleonlyandturnsoffoncetheterminationthresholdisreached,regardlessiftermination,forchargecurrent,isenabledordisabled.FurtherdetailsareheOperatingModesCopyright?2009–2014,TexasInstrumentsbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYFunctionalBlockernalw/Multiple80++IN-540AFASTPRE-Pre-CHGUSBSenseTTerm+ThermalX2Gain(1:PRE-+Increasedfrom75Ato85Aforbq24040andbq24045+On+1stCharge VISET2(LO=ISET,HI=FLOAT=VHI=HalfCHGVHI=4.06VregVVLO=TTDMHI=SuspendTS/BATTS-bq24040and+BATEN-+bq24041ThisComparatorOnly–NoTSHI=CHIP+ColdTemperatureSinkCurrentSinkCurrent===++Bq24040andbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYFunctionalBlockernalw/Multiple80++IN-540AFASTPRE-Pre-CHGUSBSenseTTerm+ThermalX2Gain(1:PRE-+Increasedfrom75Ato85Aforbq24040andbq24045+On+1stCharge VISET2(LO=ISET,HI=FLOAT=VHI=HalfCHGVHI=4.06VregVVLO=TTDMHI=SuspendTS/BATTS-bq24040and+BATEN-+bq24041ThisComparatorOnly–NoTSHI=CHIP+ColdTemperatureSinkCurrentSinkCurrent===++Bq24040andbq24045areasBq24041hasnoCurrentSinksandonly5ACurrentCopyright?2009–2014,TexasInstrumentsbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYFunctionalBlockDiagramFigure7.ChargingProfileWithThermal7.3Featureer-DownorUndervoltageLockoutThebq2404xfamilyiserbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYFunctionalBlockDiagramFigure7.ChargingProfileWithThermal7.3Featureer-DownorUndervoltageLockoutThebq2404xfamilyiserdownmodeiferminalvoltageisnUVLO.Thepartis“dead”andalltheterminalsarehighimpedance.OncetheINvoltagerisesabovetheUVLOthresholdtheICwillenterSleepModeorActivemodedependingontheOUTterminal(battery)voltage.TheICisaliveaftertheINvoltagesaboveUVLO(seesleepmode),resetsalllogicandtimers,andtoperformmanyofthecontinuousmonitoringroutines.TypicallytheinputvoltagequicklyrisesthroughUVLOandsleepseswheretheICdeclaresergood,startsthequalificationchargeat100mA,setstheinpurrentlimitthresholdbaseontheISET2terminal,startsthesafetytimerandenablestheCHGterminal.SeeFigureSleepIferminalvoltageisnVOUT+VDTandUVLO,thechargecurrentisdisabled,thesafetycountingstops(notreset)andthePGandCHGterminalsarehighimpedance.Astheinputvoltagerisesandchargerexitssleepmode,thePGterminalgoeslow,thesafetytimercontinuestocount,chargeisenabledandtheCHGterminalreturnstoitspreviouss e.SeeFigure97.3.4NewChargeAnewchargecycleisstartedwhenaersourceisappd,performingachipdisable/enableterminal/BAT_EN),exitingTerminationandTimerDisableMode(TTDM),detectingabatteryinsertionorthevoltagedropterminalgbelowtheVRCHthreshold.TheCHGterminaliivelowonlyduringthechargecycle,thereforeexitingTTDMoradropterminalgbelowVRCHwillnotturnontheCHGterminalFET,iftheCHGterminalisalreadyhighimpedance.Copyright?2009–2014,TexasInstrumentsVoltageRegulationandChargeTerminationBatteryCurrent,Sus,Temperature,4.06V4.06Vt<t<ColdtosDotsShowThresholdTripPofllowedbyadeglitchtimebeforeDrawingNottotbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYFeatureDescriptionFigure8.TSBatteryTemperatureBiasThresholdandDeglitchCopyright?2009–2014,TexasInstruments4.06V4.06Vt<t<ColdtosDotsShowThresholdTripPofllowedbyadeglitchtimebeforeDrawingNottotbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYFeatureDescriptionFigure8.TSBatteryTemperatureBiasThresholdandDeglitchCopyright?2009–2014,TexasInstrumentsbq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYFeatureDescriptionApplyerVBAT+VDT<VN<bq24040,bq24041,ZHCS292E–SEPTEMBER2009–REVISEDFEBRUARYFeatureDescriptionApplyerVBAT+VDT<VN<&VUVLO<IschipVTS>Figure9.er-UpFlow7.3.5Overvoltage-Protection(OVP)–ContinuouslyIftheinputsourceappsanovervoltage,thepassFET,ifpreviouslyon,turnsfteradeglitch,tBLK(OVP).timerendsandtheCHGandPGterminalgoestoahighe.theovervoltagereturnstonormalvoltage,thePGterminalgoeslow,timercontinues,chargecontinuesandtheCHGterminalgoeslowaftera25msdeglitch.PGterminalisoptionalonsomepackagesCopyright?2009–2014,TexasInstrumentsSetchargecurrentbasedonISET2