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BQ27210的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:电池管理 IC - 电池电量监测
  • 功能描述:适用于便携应用、带 I2C 接口的锂离子和锂聚合物电池电量监测计 IC
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BQ27210的产品详情:

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-empty information 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.

BQ27210的优势和特性:
  • HDQ (bq27010) or I2C (bq27210) Communication
  • Reports Accurate Time-to-Empty At Both Measured and Host-Requested Load Values
  • Reports Available Capacity Compensated for Discharge Rate, Temperature, and Age
  • End-of-Discharge Voltage Compensated for Discharge Rate and Temperature
  • Automatic Capacity Reduction with Age
  • Reports Temperature, Voltage, and Current
  • High Accuracy Charge and Discharge Current Integration with Automatic Offset Calibration
  • Requires No User Calibration
  • Programmable Input/Output Port
  • Internal User EEPROM Configuration Memory
  • Uploadable Coefficients Allows Host-Side Use with Multiple Pack Characteristics
  • Stable Oscillator Without External Components
  • Dynamic End-of-Discharge Detection Delay to Allow Use in a High-Dynamic Load Environment
  • Automatic Sleep Mode When Communication Lines are Low
  • Available in a Small 3 mm x 4 mm QFN Package
  • Five Low-Power Operating Modes
    • Active: < 90 μA
    • Sleep: < 2.5 μA
    • Ship: < 2 μA (bq27010 only)
    • Hibernate: < 1.5 μA
    • Data Retention: < 20 nA
  • APPLICATIONS
    • PDA
    • Smart Phones
    • MP3 Players
    • Digital Cameras
    • Internet Appliances
    • Handheld Devices

bqJUNIOR is a trademark of Texas Instruments.

BQ27210的参数(英文):
  • Cell chemistry
  • Li-Ion/Li-Polymer
  • Number of series cells
  • Single Cell
  • Communication interface
  • I2C
  • Battery capacity (Min) (mAh)
  • 300
  • Battery capacity (Max) (mAh)
  • 6000
  • Implementation
  • Pack
  • External capacity indication
  • None
  • Features
  • Impedance Track? algorithm
  • Operating temperature range (C)
  • -20 to 70
  • Cell balancing
BQ27210具体的完整产品型号参数及价格(美元):

BQ27210的完整型号有:BQ27210DRKR、HPA00425DRKR、HPA00906DRKR,以下是这些产品的关键参数及官网采购报价:

BQ27210DRKR,工作温度:-20 to 70,封装:VSON (DRK)-10,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网BQ27210DRKR的批量USD价格:3.1(1000+)

HPA00425DRKR,工作温度:-20 to 70,封装:VSON (DRK)-10,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:-,引脚镀层/焊球材料:-,TI官网HPA00425DRKR的批量USD价格:3.1(1000+)

HPA00906DRKR,工作温度:-20 to 70,封装:VSON (DRK)-10,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:-,引脚镀层/焊球材料:-,TI官网HPA00906DRKR的批量USD价格:3.1(1000+)

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BQ27210的评估套件:

BQ27XXXSW-LINUX — 用于 BQ27XXX 的 Linux 驱动程序

The Linux driver supports the BQ27x series of Battery Fuel Gauges. The Linux driver supports communication through the I2C/HDQ bus and interfaces with the power supply sub-system to monitor battery properties.

Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

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