STMicroelectronics STMicroelectronics STC3115电池电量计集成电路

STMicroelectronics STC3115电池电量计算集成电路提供了实现低成本仪表来监控电池所需的硬件功能。STC3115采用电流检测、电荷计算和精确的电池电压测量,来估算电池的荷电状态(SOC)。内部有温度传感器,温度补偿得以轻松实现。报警输出表示低SOC状态,同时也表明低电池电压。报警阈值电平可设定。对于需要先进功能在各种应用条件下均能确保高性能的电池电量计量的设计人员,STM的STC3115堪称理想的选择。

特性

  • OptimGauge™ algorithm
  • 0.25% accuracy battery voltage monitoring
  • Coulomb counter and voltage-mode gas gauge operations
  • Robust initial open-circuit-voltage (OCV)measurement at power up with debounce delay
  • Low battery level alarm output with programmable thresholds
  • Internal temperature sensor
  • Battery swap detection
  • Low power: 45μA in power-saving mode, 2μA max. in standby mode
  • 1.4 x 2.0mm 10-bump CSP package

应用

  • Mobile phones, multimedia players, digital cameras
  • Portable medical equipment

Block Diagram

STMicroelectronics STMicroelectronics STC3115电池电量计集成电路
发布日期: 2014-02-27 | 更新日期: 2022-03-11