ZHCSKO3B January   2020  – September 2020 BQ25611D

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
    1.     Pin Functions
  8. 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. 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 REGN LDO
        2. 9.3.3.2 Poor Source Qualification
        3. 9.3.3.3 Input Source Type Detection (IINDPM Threshold)
          1. 9.3.3.3.1 D+/D– Detection Sets Input Current Limit
        4. 9.3.3.4 Input Voltage Limit Threshold Setting (VINDPM Threshold)
        5. 9.3.3.5 Power Up Converter in Buck Mode
        6. 9.3.3.6 HIZ Mode with Adapter Present
      4. 9.3.4  Boost Mode Operation From Battery
      5. 9.3.5  Power Path Management
        1. 9.3.5.1 Narrow VDC Architecture
        2. 9.3.5.2 Dynamic Power Management
        3. 9.3.5.3 Supplement Mode
      6. 9.3.6  Battery Charging Management
        1. 9.3.6.1 Autonomous Charging Cycle
        2. 9.3.6.2 Battery Charging Profile
        3. 9.3.6.3 Charging Termination
        4. 9.3.6.4 Thermistor Qualification
          1. 9.3.6.4.1 JEITA Guideline Compliance During Charging Mode
          2. 9.3.6.4.2 Boost Mode Thermistor Monitor During Battery Discharge Mode
        5. 9.3.6.5 Charging Safety Timer
      7. 9.3.7  Ship Mode and QON Pin
        1. 9.3.7.1 BATFET Disable (Enter Ship Mode)
        2. 9.3.7.2 BATFET Enable (Exit Ship Mode)
        3. 9.3.7.3 BATFET Full System Reset
      8. 9.3.8  Status Outputs ( STAT, INT )
        1. 9.3.8.1 Charging Status Indicator (STAT)
        2. 9.3.8.2 Interrupt to Host ( INT)
      9. 9.3.9  Protections
        1. 9.3.9.1 Voltage and Current Monitoring in Buck Mode
          1. 9.3.9.1.1 Input Over-Voltage Protection (ACOV)
          2. 9.3.9.1.2 System Over-Voltage Protection (SYSOVP)
        2. 9.3.9.2 Voltage and Current Monitoring in Boost Mode
          1. 9.3.9.2.1 Boost Mode Over-Voltage Protection
        3. 9.3.9.3 Thermal Regulation and Thermal Shutdown
          1. 9.3.9.3.1 Thermal Protection in Buck Mode
          2. 9.3.9.3.2 Thermal Protection in Boost Mode
        4. 9.3.9.4 Battery Protection
          1. 9.3.9.4.1 Battery Over-Voltage Protection (BATOVP)
          2. 9.3.9.4.2 Battery Over-Discharge Protection
          3. 9.3.9.4.3 System Over-Current Protection
      10. 9.3.10 Serial Interface
        1. 9.3.10.1 Data Validity
        2. 9.3.10.2 START and STOP Conditions
        3. 9.3.10.3 Byte Format
        4. 9.3.10.4 Acknowledge (ACK) and Not Acknowledge (NACK)
        5. 9.3.10.5 Slave Address and Data Direction Bit
        6. 9.3.10.6 Single Read and Write
        7. 9.3.10.7 Multi-Read and Multi-Write
    4. 9.4 Device Functional Modes
      1. 9.4.1 Host Mode and Default Mode
    5. 9.5 Register Maps
  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 Inductor Selection
        2. 10.2.2.2 Input Capacitor and Resistor
        3. 10.2.2.3 Output Capacitor
    3. 10.3 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
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 Receiving Notification of Documentation Updates
    4. 13.4 Support Resources
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

1 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
    • ±0.4% 充电电压调节，阶跃为 10mV
    • 可编程 JEITA 阈值
    • 远程电池检测，可更快地进行充电
  • 支持 USB On-The-Go (OTG)，可调输出电压范围为 4.6V 至 5.15V
    • 具有高达 1.2A 输出的 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
  • 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
    • 通过 I2C（100mA 至 3.2A，100mA/阶跃）实现可编程输入电流限制 (IINDPM)
    • 通过高达 5.4V 的 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
    • 用于运输模式的 BATFET 控制、使用和不使用适配器的完全系统复位功能
  • 运输模式下的 7µA 低电池泄漏电流
  • 在系统待机时具有 9.5µA 的低电池泄漏电流
  • 高精度电池充电曲线
    • ±6% 充电电流调节
    • ±7.5% 输入电流调节
    • ±3% VINDPM 电压调节
    • 用于电池完全充电的可编程充电完成计时器
  • 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