ZHCSDD2A January   2015  – February 2015 TPS24740 , TPS24741 , TPS24742

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 简化电路原理图
  5. 5 修订历史记录
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Timing Requirements
    7. 8.7 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Internal Power ORing of TPS24740
      2. 9.3.2  Enable and Over-voltage Protection
      3. 9.3.3  Current Limit and Power Limit During Start-up
      4. 9.3.4  Two Level Protection During Regular Operation
      5. 9.3.5  Dual Timer (TFLT and TINR)
      6. 9.3.6  Using SoftStart - IHGATE and TINR Considerations
      7. 9.3.7  Three Options for Response to a Fast Trip
      8. 9.3.8  Programmable Reverse Voltage Threshold
      9. 9.3.9  Analog Current Monitor
      10. 9.3.10 Power Good Flag
      11. 9.3.11 ORing MOSFET Status Indicator
      12. 9.3.12 Fault Reporting
    4. 9.4 Device Functional Modes
      1. 9.4.1 ORing Functional Modes
      2. 9.4.2 Hot Swap Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 30A Single channel OR then Hot Swap With Current Monitoring
      2. 10.2.2 Design Requirements
      3. 10.2.3 Detailed Design Procedure
        1. 10.2.3.1  Select RSNS and VSNS,CL Setting
        2. 10.2.3.2  Selecting the Fast Trip Threshold and Filtering
        3. 10.2.3.3  Selecting the Hot Swap FET(s)
        4. 10.2.3.4  Select Power Limit
        5. 10.2.3.5  Set Fault Timer
        6. 10.2.3.6  Check MOSFET SOA
        7. 10.2.3.7  Choose ORing MOSFET
        8. 10.2.3.8  Choose Reverse Current Threshold and Filtering
        9. 10.2.3.9  Choose Under Voltage and Over Voltage Settings
        10. 10.2.3.10 Selecting CIN, COUT, and CMIDDLE
        11. 10.2.3.11 Selecting D1 and D2
        12. 10.2.3.12 Ensuring Stability
        13. 10.2.3.13 Compute Tolerances
      4. 10.2.4 Application Curves
      5. 10.2.5 40 A Single Channel Hot Swap then ORing
        1. 10.2.5.1 Design Requirements
        2. 10.2.5.2 Design Procedure
          1. 10.2.5.2.1  Select RSNS and VSNS,CL Setting
          2. 10.2.5.2.2  Selecting the Fast Trip Threshold and Filtering
          3. 10.2.5.2.3  Selecting the Hot Swap FET
          4. 10.2.5.2.4  Select Power Limit
          5. 10.2.5.2.5  Set Fault Timer
          6. 10.2.5.2.6  Check MOSFET SOA
          7. 10.2.5.2.7  Checking Stability of Hot Swap Loop
          8. 10.2.5.2.8  Choose ORing MOSFET
          9. 10.2.5.2.9  Choose Reverse Current Threshold and Filtering
          10. 10.2.5.2.10 Choose Under Voltage and Over Voltage Settings
          11. 10.2.5.2.11 Selecting CIN, COUT, CMIDDLE, and Transient Protection
          12. 10.2.5.2.12 Adding CENHS
        3. 10.2.5.3 Application Curves
    3. 10.3 System Examples
      1. 10.3.1 TPS2474x in Battery Back Up
      2. 10.3.2 TPS2474x in Priority Muxing
      3. 10.3.3 TPS2474x with Multiple Loads and Multiple Supplies
      4. 10.3.4 Two Supplies Powering a Load
      5. 10.3.5 TPS2474x in Redundant DC/DC Applications
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 相关链接
    2. 13.2 商标
    3. 13.3 静电放电警告
    4. 13.4 术语表
  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

13 器件和文档支持

13.1 相关链接

以下表格列出了快速访问链接。 范围包括技术文档、支持与社区资源、工具和软件，并且可以快速访问样片或购买链接。

Table 6. 相关链接

器件 产品文件夹 样片与购买 技术文档 工具与软件 支持与社区
TPS24740 请单击此处 请单击此处 请单击此处 请单击此处 请单击此处
TPS24741 请单击此处 请单击此处 请单击此处 请单击此处 请单击此处
TPS24742 请单击此处 请单击此处 请单击此处 请单击此处 请单击此处

13.2 商标

All other trademarks are the property of their respective owners.

13.3 静电放电警告

esds-image

这些装置包含有限的内置 ESD 保护。 存储或装卸时，应将导线一起截短或将装置放置于导电泡棉中，以防止 MOS 门极遭受静电损伤。

13.4 术语表

SLYZ022 — TI 术语表。

这份术语表列出并解释术语、首字母缩略词和定义。