Texas Instruments bq27411-G1单体锂离子电池电量监测计
Texas Instruments bq27411-G1单体锂离子电池电量监测计是易于配置的电量监测解决方案，用于单体串联锂离子电池组。该器件仅需最少量配置，并采用一次性可编程（OTP）非易失性存储器（NVM），以避免系统处理器的初始化下载。bq27411-G1采用获得专利的Impedance Track™算法进行电量监测，并提供剩余电池容量（mAh）、当前充电状态（%）和电池电压（mV）等信息。小型的12引脚2.5mm×4mm SON封装是空间受限应用的理想选择。
特性
- Single Series Cell Li-Ion Battery Fuel Gauge
- Resides in Battery Pack
- Low-Value external Sense Resistor (10mΩ typical)
- One Time Programmable (OTP) configuration Non-Volatile Memory (NVM)
- Powered directly from the battery with integrated LDO
- 400kHz I2C serial interface
- Internal temperature sensor or Host reported temperature
- Easy to configure fuel gauging based on patented Impedance Track™ technology
- Reports Remaining Capacity and State of Charge (SOC) with Smoothing Filter
- Automatically adjusts for battery aging, self-discharge, temperature, and rate changes
- Battery State of Health (aging) estimation
- Small 12-pin 2.5mm × 4mm SON Package
应用
- Smartphones, Feature phones, and Tablets
- Digital Still and Video Cameras
- Handheld Terminals
- MP3 or Multimedia Players
Typical Application
发布日期: 2014-04-10
| 更新日期: 2022-03-11