ZHCSKO2A May   2020  – May 2022 TMUXHS4212

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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 High-Speed Performance Parameters
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Output Enable and Power Savings
      2. 8.3.2 Data Line Biasing
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 USB 3.2 Implementation for USB Type-C
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 PCIe Lane Muxing
        1. 9.2.2.1 Application Curves
    3. 9.3 Systems Examples
      1. 9.3.1 USB/eSATA
      2. 9.3.2 MIPI Camera Serial Interface
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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11.1 Layout Guidelines

On a high-K board, TI always recommends to solder the Power-pad™ onto the thermal land. A thermal land is the area of solder-tinned-copper underneath the Power-pad package. On a high-K board, the TMUXHS4212 can operate over the full temperature range by soldering the Power-pad onto the thermal land without vias.

For high speed layout guidelines, refer to High-Speed Layout Guidelines for Signal Conditioners and USB Hubs.

The designer must use a 1-oz Cu trace connecting the GND pins to the thermal land for the device to operate across the temperature range on a low-K board. A general PCB design guide for Power-pad packages is provided in Power-pad Thermally-Enhanced Package.