ZHCSL99F September   2019  – October 2023 TPS62860 , TPS62861

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 I2C Interface Timing Characteristics
    7. 7.7 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Power Save Mode
      2. 8.3.2  Forced PWM Operation
      3. 8.3.3  Smart Enable and Shutdown (EN)
      4. 8.3.4  Soft Start
      5. 8.3.5  Output Voltage Selection (VSEL) for TPS62860x
      6. 8.3.6  Output Voltage Selection (VSEL and I2C)
      7. 8.3.7  Forced PWM Mode During Output Voltage Change
      8. 8.3.8  Undervoltage Lockout (UVLO)
      9. 8.3.9  Power Good (PG)
      10. 8.3.10 Switch Current Limit and Short Circuit Protection
      11. 8.3.11 Thermal Shutdown
      12. 8.3.12 Output Voltage Discharge
    4. 8.4 Programming
      1. 8.4.1 Serial Interface Description
      2. 8.4.2 Standard- and Fast-Mode Protocol
      3. 8.4.3 I2C Update Sequence
      4. 8.4.4 I2C Register Reset
    5. 8.5 Register Map
      1. 8.5.1 Slave Address Byte
      2. 8.5.2 Register Address Byte
      3. 8.5.3 VOUT Register 1
      4. 8.5.4 VOUT Register 2
      5. 8.5.5 CONTROL Register
      6. 8.5.6 STATUS Register
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application, TPS628610
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Inductor Selection
        2. 9.2.2.2 Output Capacitor Selection
        3. 9.2.2.3 Input Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 Typical Application, TPS628600, TPS62860x
      1. 9.3.1 Design Requirements
      2. 9.3.2 Detailed Design Procedure
      3. 9.3.3 Application Curves
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Mechanical, Packaging, and Orderable Information

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8.3.11 Thermal Shutdown

The junction temperature (TJ) of the device is monitored by an internal temperature sensor. If TJ exceeds the thermal shutdown temperature TSD of 160°C (typ), the device enters thermal shutdown. Both the high-side and low-side power FETs are turned off. When TJ decreases below the hysteresis amount of typically 20°C, the converter resumes operation, beginning with a soft start to the originally set VOUT. The thermal shutdown is not active in Power Save Mode.
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