TIbq3060锂离子电池管理方案

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TIbq3060锂离子电池管理方案关键词:电源管理,锂离子电池,电池充电器TI公司的bq3060是全集成的单片锂离子电池管理器,能对2,3,或4组锂离子电池进行电量计量,保护和身份验证.采用超低功耗模式的8位RISCCPU,可用于上网本/笔记本电脑,医疗和测试设备以及手提仪表.本文介绍bq3060主要特性,系统分区方框图和评估板bq3060EVM-001电路图和材料清单.TheTexasInstrumentsbq3060BatteryManagerisafullyintegrated,single-chip,pack-basedsolutionthatprovidesaricharrayoffeaturesforgasgauging,protection,andauthenticationfor2,3,or4seriescellLi-Ionbatterypacks.Withafootprintofmerely7.8mmx6.4mminacompact24-pinTSSOPpackage,thebq3060maximizesfunctionalityandsafetywhiledramaticallycuttingthesolutioncostandsizeforsmartbatteries.Usingitsintegratedhigh-performanceanalogperipherals,thebq3060measuresandmaintainsanaccuraterecordofavailablecapacity,voltage,current,temperature,andothercriticalparametersinLi-IonorLi-Polymerbatteries,andreportstheinformationtothesystemhostcontrolleroveranSMBus1.bq3060主要特性:AdvancedCEDV(CompensatedEnd-of-DischargeVoltage)GaugingFullyIntegrated2,3,and4SeriesLi-IonorLi-PolymerCellBatteryPackManager8-BitRISCCPUWithUltra-LowPowerModesFullArrayofProgrammableProtectionFeaturesVoltage,Current,andTemperatureSHA-1AuthenticationFlexibleMemoryArchitectureWithIntegratedFlashMemorySupportsTwo-WireSMBusv1.1InterfaceWithHigh-speed400kHzProgrammingOptionP-CHHighSideProtectionFETDriveLowPowerConsumptionSleepMode:69µAHigh-AccuracyAnalogFrontEndWithTwoIndependentADCsHigh-Resolution,15~22-bitIntegratorforCoulombCounting16-BitDelta-SigmaADCWitha16-ChannelMultiplexerforVoltage,Current,andTemperatureUltraCompactPackage:24-PinTSSOPPWbq3060应用:Netbook/NotebookPCsMedicalandTestEquipmentPortableInstruments图1.bq3060系统分区方框图评估板bq3060EVM-001Thisevaluationmodule(EVM)isacompleteevaluationsystemforthebq3060/bq29412batterymanagementsystem.TheEVMincludesonebq3060/bq29412circuitmodule,anEV2300PCinterfaceboardforgasgaugeinterface,aPCUSBcable,andWindows@trade;-basedPCsoftware.Thecircuitmoduleincludesonebq3060integratedcircuit(IC),onebq29412IC,andallotheronboardcomponentsnecessarytomonitorandpredictcapacity,performcellbalancing,monitorcriticalparameters,protectthecellsfromovercharge,over-discharge,short-circuit,andovercurrentin2-,3-or4-seriescellLi-ionorLi-polymerbatterypacks.Thecircuitmoduleconnectsdirectlyacrossthecellsinabattery.WiththeEV2300interfaceboardandsoftware,theusercanreadthebq3060dataregisters,programthechipsetfordifferentpackconfigurations,logcyclingdataforfurtherevaluation,andevaluatetheoverallfunctionalityofthebq3060/bq29412solutionunderdifferentchargeanddischargeconditions.评估板bq3060EVM-001特性:•Completeevaluationsystemforthebq3060SBS1.1-compliantadvancedgasgaugeandbq29412independentovervoltageprotectionIC•Populatedcircuitmoduleforquicksetup•PCsoftwareandinterfaceboardforeasyevaluation•Softwarethatallowsdataloggingforsystemanalysis图2.评估板bq3060EVM-001电路图AO-Electronics傲壹电子官网:中文网:材料清单(BOM):

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