ZHCSNC6D september   2009  – may 2021 BQ24050 , BQ24052

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings #GUID-2D40D94D-8E9B-4250-B39D-57145C9518DB/SLUS9405873
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions #GUID-C5354C38-DF78-4F74-91ED-68706C55D3F9/SLUS9401392
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
      1. 6.8.1 Power Up, Down, OVP, Disable and Enable Waveforms
      2. 6.8.2 Protection Circuits Waveforms
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Power Down, or Undervoltage Lockout (UVLO)
      2. 7.3.2  Power Up
      3. 7.3.3  D+, D– Detection
      4. 7.3.4  New Charge Cycle
      5. 7.3.5  Overvoltage Protection (OVP) – Continuously Monitored
      6. 7.3.6  CHG Pin Indication
      7. 7.3.7  CHG LED Pullup Source
      8. 7.3.8  Input DPM Mode (VIN-DPM or IN-DPM)
      9. 7.3.9  OUT
      10. 7.3.10 ISET
      11. 7.3.11 TS
      12. 7.3.12 Termination and Timer Disable Mode (TTDM) -TS Pin High
      13. 7.3.13 Timers
      14. 7.3.14 Termination
      15. 7.3.15 Battery Detect Routine
      16. 7.3.16 Refresh Threshold
      17. 7.3.17 Starting a Charge on a Full Battery
    4. 7.4 Device Functional Modes
      1. 7.4.1 Sleep Mode
    5. 7.5 Programming
      1. 7.5.1 PRE_TERM – Precharge and Termination Programmable Threshold
      2. 7.5.2 ISET2
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 BQ2405x Charger Application Design Example
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Program the Fast Charge Current, ISET
          2. 8.2.1.2.2 Program the Termination Current Threshold, ITERM
          3. 8.2.1.2.3 TS Function
          4. 8.2.1.2.4 CHG
          5. 8.2.1.2.5 Selecting IN and OUT Pin Capacitors
        3. 8.2.1.3 Application Curves
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
      1. 10.3.1 Leakage Current Effects on Battery Capacity
  12. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 静电放电警告
    7. 11.7 术语表
  13.   Mechanical, Packaging, and Orderable Information

4 Revision History

Changes from Revision C (December 2014) to Revision D (May 2021)

  • 更新了整个文档中的表格、图和交叉参考的编号格式Go
  • 从数据表中删除了 BQ24055Go
  • 更改了应用 列表Go
  • Deleted PG pin information from the Specifications sectionGo
  • Moved Tstg From: ESD Ratings To: Absolute Maximum Ratings Go
  • Changed the Handling Ratings table To: ESD Ratings table Go
  • Changed IBD-Sink minimum from 7 mA to 6 mAGo
  • Changed IIH Source current required for HI from 8 μA to 9.6 μAGo
  • Deleted graphs "OVP 8-V Adapter – Hot Plug" and "OVP from Normal Operation" from the Power Up, Down, OVP, Disable and Enable Waveforms section Go
  • Deleted graph "Entering and Exiting Sleep Mode" from the Battery Removal With Fixed TS = 0.5 V section Go
  • Changed text From: "2-mm × 2-mm or 2-mm × 3-mm single-cell Li-Ion..." To: "2-mm × 2-mm single-cell Li-Ion..." in the first paragraph of the Overview section Go
  • Deleted the PG pin information from the Feature Description sectionGo
  • Deleted text "the PG pin goes low." from the Overvoltage Protection (OVP) – Continuously Monitored sectionGo
  • Deleted the PG pin information from the Device Functional Modes sectionGo
  • Deleted the PG pin information from the Application and Implementation sectionGo
  • Removed the Vpg curve from Figure 8-3 and Figure 8-4 Go

Changes from Revision B (June 2012) to Revision C (December 2014)

  • 添加了处理额定值 表、特性说明 部分、器件功能模式、应用和实施 部分、电源相关建议 部分、布局 部分、器件和文档支持 部分以及机械、封装和可订购信息 部分Go

Changes from Revision A (September 2009) to Revision B (June 2012)

  • 将所有出现的锂离子更改为：锂离子和锂聚合物Go

Changes from Revision * (August 2009) to Revision A (September 2009)

  • 将器件的状态从“米6体育平台手机版_好二三四预发布”更改为“量产数据”Go
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