ZHCS831E march   2012  – may 2023 TPS7A16-Q1

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
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Enable (EN)
      2. 7.3.2 Regulated Output (VOUT)
      3. 7.3.3 PG Delay Timer (DELAY)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-Good
      2. 7.4.2 Power-Good Delay and Delay Capacitor
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 TPS7A1601-Q1 Circuit as an Adjustable Regulator
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Adjustable Voltage Operation
          2. 8.2.1.2.2 Resistor Selection
          3. 8.2.1.2.3 Capacitor Recommendations
          4. 8.2.1.2.4 Input and Output Capacitor Requirements
          5. 8.2.1.2.5 Feed-Forward Capacitor (Only for Adjustable Version)
          6. 8.2.1.2.6 Transient Response
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Automotive Applications
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Device Recommendations
        3. 8.2.2.3 Application Curves
      3. 8.2.3 Multicell Battery Packs
        1. 8.2.3.1 Design Requirements
        2. 8.2.3.2 Detailed Design Procedure
        3. 8.2.3.3 Application Curves
      4. 8.2.4 Battery-Operated Power Tools
        1. 8.2.4.1 Design Requirements
        2. 8.2.4.2 Detailed Design Procedure
        3. 8.2.4.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Additional Layout Considerations
        2. 8.4.1.2 Power Dissipation
        3. 8.4.1.3 Thermal Considerations
      2. 8.4.2 Layout Examples
  10. 9 Device and Documentation Support
    1. 9.1 接收文档更新通知
    2. 9.2 支持资源
    3. 9.3 Trademarks
    4. 9.4 静电放电警告
    5. 9.5 术语表
  11. 10Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

8.2.2 Automotive Applications

The TPS7A16-Q1 maximum input voltage of 60 V makes the device designed for use in automotive applications where high-voltage transients are present.

Events such as load-dump overvoltage (where the battery is disconnected while the alternator is providing current to a load) can cause voltage spikes from 25 V to 60 V. To prevent any damage to sensitive circuitry, local transient voltage suppressors can be used to cap voltage spikes to lower, more manageable voltages.

The TPS7A16-Q1 can be used to simplify and lower costs in such cases. The very high voltage range allows this regulator not only to withstand the voltages coming out of these local transient voltage suppressors, but even replace them, thus lowering system cost and complexity.

GUID-D000D8E1-89EE-41D6-873B-A141DBBED44A-low.gifFigure 8-5 Low-Power Microcontroller Rail Sequencing in Automotive Applications Subjected to Load-Dump Transients
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