ZHCSCR2 July   2014

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 简化电路原理图
  5. 5 修订历史记录
  6. 6 说明（续）
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  Handling Ratings
    3. 8.3  Recommended Operating Conditions
    4. 8.4  Thermal Information
    5. 8.5  Electrical Characteristics: Supply Current
    6. 8.6  Electrical Characteristics: I/O
    7. 8.7  Electrical Characteristics: ADC
    8. 8.8  Electrical Characteristics: Power-On Reset
    9. 8.9  Electrical Characteristics: Oscillator
    10. 8.10 Electrical Characteristics: Data Flash Memory
    11. 8.11 Electrical Characteristics: Register Backup
    12. 8.12 SMBus Timing Specifications
    13. 8.13 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Primary (1st Level) Safety Features
      2. 9.3.2 Secondary (2nd Level) Safety Features
      3. 9.3.3 Charge Control Features
      4. 9.3.4 Fuel Gauging
      5. 9.3.5 Lifetime Data Logging
      6. 9.3.6 Authentication
      7. 9.3.7 Battery Parameter Measurements
        1. 9.3.7.1 Current and Coulomb Counting
        2. 9.3.7.2 Voltage
        3. 9.3.7.3 Temperature
    4. 9.4 Device Functional Modes
    5. 9.5 Programming
      1. 9.5.1 Physical Interface
      2. 9.5.2 SMBus Address
      3. 9.5.3 SMBus On and Off State
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Schematic
      2. 10.2.2 Design Requirements
      3. 10.2.3 Detailed Design Procedure
        1. 10.2.3.1 Measurement System
          1. 10.2.3.1.1 Cell Voltages
          2. 10.2.3.1.2 External Average Cell Voltage
          3. 10.2.3.1.3 Current
          4. 10.2.3.1.4 Temperature
        2. 10.2.3.2 Gas Gauging
        3. 10.2.3.3 Charging
          1. 10.2.3.3.1 Fast Charging Voltage
          2. 10.2.3.3.2 Fast Charging Current
          3. 10.2.3.3.3 Other Charging Modes
        4. 10.2.3.4 Protection
        5. 10.2.3.5 Peripheral Features
          1. 10.2.3.5.1 LED Display
          2. 10.2.3.5.2 SMBus Address
      4. 10.2.4 Application Performance Plots
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1 Power Supply Decoupling Capacitor
      2. 12.1.2 MRST Connection
      3. 12.1.3 Communication Line Protection Components
      4. 12.1.4 ESD Spark Gap
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 相关文档　
    2. 13.2 商标
    3. 13.3 静电放电警告
    4. 13.4 术语表
  14. 14机械封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6 说明（续）

bq78350 控制器和 bq769x0 AFE 支持 3 节到 15 节电池应用。 bq78350 提供了精确的电量监测计和健康状况 (SoH) 监控器，还提供了电池平衡功能以及一套完整的电压、电流和温度保护功能。

bq78350 提供了用于报告容量的选配 LED 或 LCD 显示屏配置。 它还可通过 SMBus 1.1 接口传输数据。 电池历史记录和诊断数据也保存在器件的非易失性存储器中，并且可通过同一接口获取。