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    首页产品索引BQ27010

    BQ27010

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    单节锂电池和锂聚合物电池电量监测计 IC

    制造商:TI

    产品信息

    描述The bqJUNIOR™ series are highly accurate stand-alone single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting devices targeted at space-limited, portable applications. The IC monitors a voltage drop across a small current sense resistor connected in series with the battery to determine charge and discharge activity of the battery. Compensations for battery age, temperature, self-discharge, and discharge rate are applied to the capacity measurments to provide available time-to-emptyinformation across a wide range of operating conditions. Battery capacity is automatically recalibrated, or learned, in the course of a discharge cycle from full to empty. Internal registers include current, capacity, time-to-empty, state-of-charge, cell temperature and voltage, status, and more.The bqJUNIOR can operate directly from single-cell Li-Ion and Li-Pol batteries and communicates to the system over a HDQ one-wire or I2C serial interface.特性HDQ (bq27010) or I2C (bq27210) CommunicationReports Accurate Time-to-Empty At Both Measured and Host-Requested Load ValuesReports Available Capacity Compensated for Discharge Rate, Temperature, and AgeEnd-of-Discharge Voltage Compensated for Discharge Rate and TemperatureAutomatic Capacity Reduction with AgeReports Temperature, Voltage, and CurrentHigh Accuracy Charge and Discharge Current Integration with Automatic Offset Calibration Requires No User CalibrationProgrammable Input/Output PortInternal User EEPROM Configuration MemoryUploadable Coefficients Allows Host-Side Use with Multiple Pack CharacteristicsStable Oscillator Without External ComponentsDynamic End-of-Discharge Detection Delay to Allow Use in a High-Dynamic Load EnvironmentAutomatic Sleep Mode When Communication Lines are LowAvailable in a Small 3 mm x 4 mm QFN PackageFive Low-Power Operating ModesActive:< 90 µASleep: < 2.5 µAShip: < 2 µA (bq27010 only)Hibernate: < 1.5 µAData Retention:< 20 nAAPPLICATIONSPDASmart PhonesMP3 PlayersDigital CamerasInternet AppliancesHandheld DevicesbqJUNIOR is a trademark of Texas Instruments.

    在线购买

    型号制造商描述购买
    BQ27010DRKRG4TIIC GAS GAUGE LI-ION 1CELL 10VSON 立即购买
    BQ27010DRKRTIIC GAS GAUGE LI-ION/LI-POL 10SON 立即购买
    BQ27220YZFRTIIC FUEL GAUGE LI-ION 1CL 9DSBGA 立即购买

    技术资料

    标题类型大小(KB)下载
    Battery Authentication and Security SchemesPDF52 点击下载
    MSP430 Microcontroller Software for Handheld Fuel Gauge & Battery AuthenticationPDF350 点击下载
    Feature Set Comparison of bq27x00, bq27x10, bq27500 and bq27510PDF65 点击下载
    HDQ Communication BasicsPDF103 点击下载
    ESD and RF Mitigation in Handheld Battery Pack ElectronicsPDF68 点击下载
    bq20z70/90 Printed-Circuit Board Layout GuidePDF403 点击下载
    Single Cell Gas Gauge Circuit DesignPDF154 点击下载
    bq27010, bq27210PDF64 点击下载

    应用案例更多案例

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