ZHCSI22E October   2017  – August 2019 TPS2662

PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.     Device Images
      1.      简化原理图
      2.      –60V 电源时的反向输入极性保护
  4. 修订历史记录
  5. Device Comparison Table
  6. Pin Configuration and Functions
    1.     Pin Functions
  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 Timing Requirements
    7. 7.7 Typical Characteristics
  8. Parameter Measurement Information
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Undervoltage Lockout (UVLO)
      2. 9.3.2 Overvoltage Protection (OVP)
      3. 9.3.3 Hot Plug-In and In-Rush Current Control
      4. 9.3.4 Reverse Polarity Protection
        1. 9.3.4.1 Input Side Reverse Polarity Protection
        2. 9.3.4.2 Output Side Reverse Polarity Protection
      5. 9.3.5 Overload and Short Circuit Protection
        1. 9.3.5.1 Overload Protection
        2. 9.3.5.2 Short Circuit Protection
          1. 9.3.5.2.1 Start-Up With Short-Circuit On Output
      6. 9.3.6 Reverse Current Protection
      7. 9.3.7 FAULT Response
      8. 9.3.8 IN, OUT, RTN, and GND Pins
      9. 9.3.9 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Low Current Shutdown Control (SHDN)
  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 Step by Step Design Procedure
        2. 10.2.2.2 Programming the Current-Limit Threshold R(ILIM) Selection
        3. 10.2.2.3 Undervoltage Lockout and Overvoltage Set Point
        4. 10.2.2.4 Setting Output Voltage Ramp Time—(tdVdT)
          1. 10.2.2.4.1 Case 1: Start-Up Without Load—Only Output Capacitance C(OUT) Draws Current During Start-Up
          2. 10.2.2.4.2 Case 2: Start-Up With Load —Output Capacitance C(OUT) and Load Draws Current During Start-Up
          3. 10.2.2.4.3 Support Component Selections - RFLT and C(IN)
      3. 10.2.3 Application Curves
    3. 10.3 System Examples
      1. 10.3.1 Field Supply Protection in PLC, DCS I/O Modules
      2. 10.3.2 Simple 24-V Power Supply Path Protection
      3. 10.3.3 Power Stealing in Smart Thermostat
    4. 10.4 Do's and Don'ts
  11. 11Power Supply Recommendations
    1. 11.1 Transient Protection
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 接收文档更新通知
    2. 13.2 社区资源
    3. 13.3 商标
    4. 13.4 静电放电警告
    5. 13.5 Glossary
  14. 14机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

说明

TPS2662x 系列高电压电子保险丝,设计紧凑,功能丰富,且具有一整套保护功能 特性。4.5V 至 60V 的宽电源输入范围可实现对众多常用直流总线电压的控制。该器件可以承受并保护由高达 ±60V 的正负电源供电的负载。TPS26624 和 TPS26625 器件支持输入和输出反极性保护功能。集成的背对背 FET 可提供反向电流阻断功能,因此该器件适用于在电源故障和欠压条件下要求保持输出电压的系统。该器件还具备许多可调功能,可提供负载、电源和器件保护 功能 包括过流保护、输出转换率和过压保护以及欠压保护。TPS2662x 系列内部可靠的保护控制模块以及高额定电压有助于简化针对浪涌保护的系统设计。

TPS26620、TPS26622 和 TPS26624 具有闭锁功能,TPS26621、TPS26623 和 TPS26625 具有自动重试功能,用于应对过热和过流故障事件。

这些器件采用 3mm × 3mm 10 引脚 SON 封装,额定工作温度范围为 –40°C 至 +125°C。

器件信息(1)

器件型号 封装 封装尺寸(标称值)
TPS26620
TPS26621
TPS26622
TPS26623
TPS26624
TPS26625
SON (10) 3.00mm × 3.00mm
  1. 如需了解所有可用封装,请参阅数据表末尾的可订购产品附录。