GS7001-双节84v锂离子充电芯片

HX10011FFeeaattuurreessPreset8.4VChargeVoltagewith1%AccuracyPre-Charging,theChargeCurrentisadjustableIdealforDual-Cell（8.4V）Li-IonBatteriesConstant-CurrentCharging,theChargeCurrentisadjustableConstant-VoltageChargingConstant-Current/Constant-VoltageChargingwithTemperatureMonitoringAutomaticRechargeDoubleLEDsChargeStatusIndicationAvailableinSOP-8LPackageAApppplliiccaattiioonnssChargerforLi-IonCoinCellBatteriesPortableMP3Players,WirelessHeadsetsBluetoothApplicationsMultifunctionWristwatchesDDeessccrriippttiioonnTheGS7001isacompleteconstant-current/constantvoltagelinearchargerforcelllithium-ionbatteries.ItspackageandlowexternalcomponentcountmaketheGS7001ideallysuitedforportableapplications.Thechargecurrentcanbeprogrammedexternallywithasingleresistor.GS7001determinesthechargemodebydetectingthebatteryvoltage:Pre-charge,constantcurrentcharging,constantvoltagecharging.Thechargecurrentofpre-chargingandconstant–currentchargingisadjustable.TheGS7001ismonitoredbytemperaturemonitorduringtheconstant-currentandconstant-voltagecharging.TherearetwoLEDsindicatethechargemode.TheGS7001chargerconvertersareavailableintheSOP-8Lpackages(oruponrequest).HHiigghhAAccccuurraaccyyLLiinneeaarrLLii--LLoonnBBaatttteerryyCChhaarrggeerrGS7001TEL:[phone]web::=V（0.2）/RSETGS7001AO3407SS343TTyyppiiccaallCChhaarrggeePPrrooffiilleeAbsoluteMaximumRatingsInputSupplyVoltage(VIN)........................................................................................–8.5Vto9.0VTS、CHRG1、CHRG2、PDRI、CS.....................................................................–0.3VtoVIN+0.3VMaximumJunctionTemperature..............................................................................................125℃OperatingAmbientTemperatureRange................................................................–40℃to85℃StorageTemperatureRange……………………………………………..................–65℃to125℃LeadTemperature(Soldering,10sec).....................................................................................300℃GS7001TEL:[phone]web:=25.℃SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITSIVINInputSupplyCurrent0.150.71.1mAISLEEPVINSleepCurrentVIN=7VVOUT=8V7.8μAIIV(VOUT)InputbiascurrentonVOUTpinVOUT=8.4V1065μABatteryVoltageRegulationConstant-currentChargeVO(REG)Outputvoltage8.3178.48.484VV（CS）CurrentregulationthresholdVoltageatpinCS,relativetoVIN180200220mVPrechargeComparatorV(min)Prechargethreshold5.666.2VPrechargeCurrentRegulationVoltageatpinCS,relativetoVIN,RSET=1Ω.18mAI(PRECHG)PrechargecurrentregulationVoltageatpinCS,relativetoVIN,RSET=1Ω.，VIN=9V1035mAVRCHcomparator（（（（BatteryRechargeThreshold））））V（RCH）RechargethresholdVO(REG)-400mVVSTATPinVOL(STAT)Output（low）voltageIOL=10mA1.5VVOH(STAT)Output（high）voltageIOH=5mAVIN-2VGS7001TEL:[phone]web:(Pin1):ChargeStatusIndication.Whenthebatteryischarging,theCHRG1pinispulledlow.Whenthechargecycleiscompletedorreversebatterylockout/NoACisdetected,CHRGisforcedhighimpedance.Thebatteryisnotworkingproperlyorwhenthetemperatureexceedsthesetrange,output50%dutycycleof2Hzpulse,thePINisavailablethrough330ohmresistorsandindicatesthatthelight-emittingdiodeconnected.TS(Pin2):TemperatureSense.GND(Pin3):Ground.VOUT(Pin4):ChargeCurrentOutput.Itshouldbebypassedwithatleasta10uFcapacitor.Itprovideschargecurrenttothebatteryandregulatesthefinalfloatvoltageto8.4V.PDRI(Pin5):Drivingside.ConnecttothegridofthePMOS.CHRG2(Pin7):End-of-ChargeStatusIndication.Whenthebatteryischarging,theCHRG2pinisforcedhighimpedance.Whenthechargecycleiscompleted,CHRG2ispulledGND.VIN(Pin8):PositiveInputSupplyVoltage.ItProvidespowertothechargerVINandshouldbebypassedwitha10uFcapacitor.GS7001TEL:[phone]web:(Pin6):ChargeCurrentProgram,ChargeCurrentMonitorandShutdownPin.Thechargecurrentisprogrammedbyconnectingaresistor,RSET,ISET=V（CS）/RSET.6PPaacckkaaggiinnggIInnffoorrmmaattiioonnSOP-8PackageOutlineDimensionDimensionsInMillimetersDimensionsInInchesSymbolMinMaxMinMaxA1.3501.7500.0530.069A10.1000.2500.0040.010A21.3501.5500.0530.061b0.3300.5100.0130.020c0.1700.2500.0060.010D4.7005.1000.1850.200E3.8004.0000.1500.157E15.8006.2000.2280.244e1.270(BSC)0.050(BSC)L0.4001.2700.0160.050θ0°8°0°8°GS7001TEL:[phone]web: