ZHCSRR9J december   2003  – august 2023 TPS2061 , TPS2062 , TPS2063 , TPS2065 , TPS2066 , TPS2067

PRODMIX  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 说明（续）
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Dissipating Rating Table
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Electrical Characteristics
    5. 7.5 Typical Characteristics(All Devices Excluding TPS2065DBV)
    6. 7.6 Typical Characteristics (TPS2065DBV)
  9. 8 Parameter Measurement Information
  10. 9 Detailed Description
    1. 9.1  Functional Block Diagram
    2. 9.2  Power Switch
    3. 9.3  Charge Pump
    4. 9.4  Driver
    5. 9.5  Enable ( ENx or ENx)
    6. 9.6  Current Sense
    7. 9.7  Overcurrent
      1. 9.7.1 Overcurrent Conditions (All Devices Excluding TPS2065DBV)
      2. 9.7.2 Overcurrent Conditions (TPS2065DBV)
    8. 9.8  Overcurrent ( OCx)
    9. 9.9  Thermal Sense
    10. 9.10 Undervoltage Lockout
  11. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1  Power-supply Considerations
      2. 10.1.2  OC Response
      3. 10.1.3  Power Dissipation and Junction Temperature
      4. 10.1.4  Thermal Protection
      5. 10.1.5  Undervoltage Lockout (UVLO)
      6. 10.1.6  Universal Serial Bus (USB) Applications
      7. 10.1.7  Host/Self-Powered and Bus-powered Hubs
      8. 10.1.8  Low-power Bus-powered and High-Power Bus-Powered Functions
      9. 10.1.9  USB Power-distribution Requirements
      10. 10.1.10 Generic Hot-Plug Applications
  12. 11Device and Documentation Support
    1. 11.1 Device Support
    2. 11.2 Documentation Support
    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. 12Mechanical, Packaging, and Orderable Information

5 说明（续）

当输出负载超过限流阈值或者短路出现时，该器件通过切换至恒定电流模式，并通过将过流 (OCx) 下拉至逻辑输出低电平来将输出电流限制在安全水平上。当持续重过载和短路增加了开关内的功率耗散时，将引起结温上升，这时一个过热保护电路将关闭此开关以避免器件损坏。一旦器件充分冷却，此器件将自动从热关断中恢复。内部电路确保此开关在有效输入电压出现前保持关闭状态。这个配电开关设计用于将电流限值的典型值设定在 1.5A 上。