ZHCSKP6A January   2020  – February 2022 BQ25616

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 Power-On-Reset (POR)
      2. 9.3.2 Device Power Up From Battery Without Input Source
      3. 9.3.3 Power Up From Input Source
        1. 9.3.3.1 Power Up ACFET
        2. 9.3.3.2 Power Up REGN LDO
        3. 9.3.3.3 Poor Source Qualification
        4. 9.3.3.4 Input Source Type Detection (IINDPM Threshold)
          1. 9.3.3.4.1 D+/D– Detection Sets Input Current Limit
        5. 9.3.3.5 Input Voltage Limit Threshold Setting (VINDPM Threshold)
        6. 9.3.3.6 Power Up Converter in Buck Mode
      4. 9.3.4 Boost Mode Operation From Battery
      5. 9.3.5 Standalone Charger
      6. 9.3.6 Power Path Management
        1. 9.3.6.1 Narrow VDC Architecture
        2. 9.3.6.2 Dynamic Power Management
        3. 9.3.6.3 Supplement Mode
      7. 9.3.7 Battery Charging Management
        1. 9.3.7.1 Autonomous Charging Cycle
        2. 9.3.7.2 Battery Charging Profile
        3. 9.3.7.3 Charging Termination
        4. 9.3.7.4 Thermistor Qualification
          1. 9.3.7.4.1 JEITA Guideline Compliance During Charging Mode (BQ25616J)
          2. 9.3.7.4.2 Hot/Cold Temperature Window During Charging Mode (BQ25616)
          3. 9.3.7.4.3 Boost Mode Thermistor Monitor During Battery Discharge Mode
        5. 9.3.7.5 Charging Safety Timer
      8. 9.3.8 Status Outputs ( PG, STAT)
        1. 9.3.8.1 Power Good Indicator ( PG Pin )
        2. 9.3.8.2 Charging Status Indicator (STAT)
      9. 9.3.9 Protections
        1. 9.3.9.1 Input Current Limit
        2. 9.3.9.2 Voltage and Current Monitoring in Buck Mode
          1. 9.3.9.2.1 Input Overvoltage Protection (ACOV)
          2. 9.3.9.2.2 System Overvoltage Protection (SYSOVP)
        3. 9.3.9.3 Voltage and Current Monitoring in Boost Mode
          1. 9.3.9.3.1 Boost Mode Overvoltage Protection
        4. 9.3.9.4 Thermal Regulation and Thermal Shutdown
          1. 9.3.9.4.1 Thermal Protection in Buck Mode
          2. 9.3.9.4.2 Thermal Protection in Boost Mode
        5. 9.3.9.5 Battery Protection
          1. 9.3.9.5.1 Battery Overvoltage Protection (BATOVP)
          2. 9.3.9.5.2 Battery Overdischarge Protection
          3. 9.3.9.5.3 System Overcurrent Protection
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 BQ25616/616J Application without External OVP
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Inductor Selection
          2. 10.2.1.2.2 Input Capacitor and Resistor
          3. 10.2.1.2.3 Output Capacitor
        3. 10.2.1.3 Application Curves
      2. 10.2.2 BQ25616/616J Application with External OVP
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 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 Electrostatic Discharge Caution
    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

  • 高效 1.5MHz 同步开关模式降压充电器
    • 在 2A 电流(5V 输入)下具有 92% 的充电效率
    • ±0.5% 充电电压调节
    • 通过 VSET 引脚实现的可调节充电电压支持 4.1V、4.2V 和 4.35 V 电压,稳压精度为 ±0.4%
    • 充电电流调节范围为 ±6%
    • 输入电流调节范围为 ±7.5%
    • 支持 JEITA (BQ25616J) 或热/冷 (BQ25616) 温度感应曲线
    • 10 小时充电安全计时器
  • 支持 USB On-The-Go (OTG)
    • 具有高达 1.2A 输出的 5V 升压转换器
    • 在 1A 输出下具有 92% 的升压效率
    • 精确的恒定电流 (CC) 限制
    • 高达 500µF 容性负载的软启动
    • 用于轻负载运行的 PFM 模式
  • 单个输入,支持 USB 输入以及高电压适配器或无线电源
    • 支持 4V 至 13.5V 输入电压范围,绝对最大输入额定值为 22V
    • 130ns 快速关断输入过压保护,可选的外部 OVPFET 可承受高达 30V 的输入电压
    • 通过 ILIM 引脚实现可编程输入电流限制 (IINDPM)
    • 通过 VINDPM 阈值自动跟踪电池电压,从而实现最大功率
    • 自动检测 USB SDP、CDP、DCP 以及非标准适配器
  • 窄 VDC (NVDC) 电源路径管理
    • 无需电池或使用深度放电的电池即可使系统瞬时启动
  • 低 RDSON 19.5mΩ BATFET,可更大程度地降低充电损耗和延长电池运行时间
  • 在系统待机时具有 9.5µA 的低电池泄漏电流
  • 高集成度包括所有 MOSFET、电流感应和环路补偿
  • 安全相关认证:
    • 经 IEC 62368-1 CB 认证