ZHCSNF1 February   2021 BQ25960

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Description (continued)
  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  Charging System
      2. 9.3.2  Battery Charging Profile
      3. 9.3.3  Device Power Up
      4. 9.3.4  Device HIZ State
      5. 9.3.5  Dual Input Bi-Directional Power Path Management
        1. 9.3.5.1 ACDRV Turn-On Condition
        2. 9.3.5.2 Single Input from VAC to VBUS without ACFET-RBFET
        3. 9.3.5.3 Single Input with ACFET1
        4. 9.3.5.4 Dual Input with ACFET1-RBFET1
        5. 9.3.5.5 Dual Input with ACFET1-RBFET1 and ACFET2-RBFET2
        6. 9.3.5.6 OTG and Reverse TX Mode Operation
      6. 9.3.6  Bypass Mode Operation
      7. 9.3.7  Charging Start-Up
      8. 9.3.8  Adapter Removal
      9. 9.3.9  Integrated 16-Bit ADC for Monitoring and Smart Adapter Feedback
      10. 9.3.10 Device Modes and Protection Status
        1. 9.3.10.1 Input Overvoltage, Overcurrent, Undercurrent, Reverse-Current and Short-Circuit Protection
        2. 9.3.10.2 Battery Overvoltage and Overcurrent Protection
        3. 9.3.10.3 IC Internal Thermal Shutdown, TSBUS, and TSBAT Temperature Monitoring
      11. 9.3.11 INT Pin, STAT, FLAG, and MASK Registers
      12. 9.3.12 Dual Charger Operation Using Primary and Secondary Modes
      13. 9.3.13 CDRVH and CDRVL_ADDRMS Functions
    4. 9.4 Programming
      1. 9.4.1 F/S Mode Protocol
    5. 9.5 Register Maps
      1. 9.5.1 I2C Registers
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Standalone Application Information (for use with main charger)
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
        3. 10.2.1.3 Application 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 第三方产品免责声明
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 接收文档更新通知
    4. 13.4 支持资源
    5. 13.5 Trademarks
    6. 13.6 静电放电警告
    7. 13.7 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

  • 峰值效率达 98.1% 的开关电容并联充电器支持 8A 快速充电
  • 正在申请专利的两相开关电容架构经优化可实现超高效率
    • 输入电压是电池电压的 2 倍
    • 输出电流是输入电流的 2 倍
    • 减少输入电缆的功率损耗
  • 集成式 5A 旁路模式快速充电
    • 21mΩ Rdson 充电路径电阻支持 5A 输入和 5A 输出充电电流
  • 用于在快速充电和 USB On-The-Go (OTG)/反向 TX 模式期间选择输入源的双输入电源多路复用控制器
  • 支持宽输入电压范围

    • 高达 12.75V 的工作输入电压

    • 带可选外部 ACFET 时最大 40V 输入电压,不带外部 ACFET 时最大 20V 输入电压

  • 通过双通道同步 BQ25960 运行实现并联充电,充电电流最高可达 13A

  • 可实现安全运行的集成可编程保护功能
    • 输入过压保护 (BUSOVP) 和电池过压保护 (BATOVP)
    • 输入过流保护 (BUSOCP) 和电池过流保护 (BATOCP)
    • 输出过压保护 (VOUTOVP)
    • 输入欠流保护 (BUSUCP) 和输入反向电流保护 (BUSRCP) 可检测适配器断开并防止升压
    • 电池和连接器温度监控(TSBAT_FLT 和 TSBUS_FLT)
    • 接点过热保护 (TDIE_FLT)
  • 用于系统优化的可编程设置
    • 中断和中断屏蔽
    • ADC 读数和配置
    • 用于主机控制的警报功能

  • 用于电压、电流和温度监控的集成 16 位 ADC