ZHCSJX0A June   2019  – January 2021 BQ25125

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. 说明(续)
  6. Device Comparison Table
  7. Pin Configuration and Functions
  8. Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Timing Requirements
    7. 8.7 Typical Characteristics
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Ship Mode
        1. 9.3.1.1 Ship Mode Entry and Exit
      2. 9.3.2  High Impedance Mode
      3. 9.3.3  Active Battery Only Connected
      4. 9.3.4  Voltage Based Battery Monitor
      5. 9.3.5  Sleep Mode
      6. 9.3.6  Input Voltage Based Dynamic Power Management (VIN(DPM))
      7. 9.3.7  Input Overvoltage Protection and Undervoltage Status Indication
      8. 9.3.8  Battery Charging Process and Charge Profile
      9. 9.3.9  Battery Supplement Mode
      10. 9.3.10 Default Mode
      11. 9.3.11 Termination and Pre-Charge Current Programming by External Components (IPRETERM)
      12. 9.3.12 Input Current Limit Programming by External Components (ILIM)
      13. 9.3.13 Charge Current Programming by External Components (ISET)
      14. 9.3.14 Safety Timer
      15. 9.3.15 External NTC Monitoring (TS)
      16. 9.3.16 Thermal Protection
      17. 9.3.17 Typical Application Power Dissipation
      18. 9.3.18 Status Indicators ( PG and INT)
      19. 9.3.19 Chip Disable ( CD)
      20. 9.3.20 Buck (PWM) Output
      21. 9.3.21 Load Switch / LDO Output and Control
      22. 9.3.22 Manual Reset Timer and Reset Output ( MR and RESET)
    4. 9.4 Device Functional Modes
    5. 9.5 Programming
      1. 9.5.1 Serial Interface Description
      2. 9.5.2 F/S Mode Protocol
    6. 9.6 Register Maps
      1. 9.6.1  Status and Ship Mode Control Register
      2. 9.6.2  Faults and Faults Mask Register
      3. 9.6.3  TS Control and Faults Masks Register
      4. 9.6.4  Fast Charge Control Register
      5. 9.6.5  Termination/Pre-Charge Register
      6. 9.6.6  Battery Voltage Control Register
      7. 9.6.7  SYS VOUT Control Register
      8. 9.6.8  Load Switch and LDO Control Register
      9. 9.6.9  Push-button Control Register
      10. 9.6.10 ILIM and Battery UVLO Control Register
      11. 9.6.11 Voltage Based Battery Monitor Register
      12. 9.6.12 VIN_DPM and Timers Register
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Default Settings
        2. 10.2.2.2 Choose the Correct Inductance and Capacitance
        3. 10.2.2.3 Calculations
          1. 10.2.2.3.1 Program the Fast Charge Current (ISET)
          2. 10.2.2.3.2 Program the Input Current Limit (ILIM)
          3. 10.2.2.3.3 Program the Pre-charge/termination Threshold (IPRETERM)
          4. 10.2.2.3.4 TS Resistors (TS)
      3. 10.2.3 Application Performance Curves
        1. 10.2.3.1 Charger Curves
        2. 10.2.3.2 SYS Output Curves
        3. 10.2.3.3 Load Switch and LDO Curves
        4. 10.2.3.4 LS/LDO Output Curves
        5. 10.2.3.5 Timing Waveforms Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 13.2 接收文档更新通知
    3. 13.3 支持资源
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 术语表
  14. 14Mechanical, Packaging, and Orderable Information

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

特性

  • 可延长两次充电之间的系统运行时间
    • 可配置 300mA 降压稳压器(默认电压为 1.8V)
    • 启用降压转换器时的 Iq 典型值为 700nA(空载)
    • 可配置负载开关或 100mA LDO 输出(默认电压为 1.8V)
    • 充电电流高达 300mA,可实现快速充电
    • 电池稳压精度为 0.5%(可配置电压范围为 3.6V 至 4.65V,阶跃为 10mV)
    • 可配置的终端电流低至
      500µA
    • 基于电压的简单电池监控器
    • 看门狗计时器默认已启用
    • VDPPM 环路已禁用
    • VINDPM 默认已禁用,以支持低压充电
  • 高度集成的小尺寸解决方案
    • 采用 2.5mm x 2.5mm WCSP 封装和 6 个外部元件,可更大程度地减小解决方案尺寸
    • 通过可调节计时器实现按钮唤醒和复位
    • 电源路径管理,用于系统供电和电池充电
    • 电源路径管理功能可实现低于 50nA 的运输模式电池静态电流,从而最大限度延长货架期
    • 电池充电器在 3.4V – 5.5VIN(5.5V OVP/20V 容差)范围内正常工作
    • 用于输入电流限制、充电电流、终止电流和状态输出的专用引脚
  • I2C 通信控制
    • 充电电压和电流
    • 终止阈值
    • 输入电流限制
    • VINDPM 阈值
    • 计时器选项
    • 负载开关控制
    • 故障中断和状态控制
    • 系统输出电压调节
    • LDO 输出电压调节
  • 安全相关认证:
    • TUV IEC 62368-1 认证