ZHCSMM6 April   2022 TUSB1142

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
    1.     说明
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
  5. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Power Supply Characteristics
    6. 5.6  Control I/O DC Electrical Characteristics
    7. 5.7  USB Electrical Characteristics
    8. 5.8  Timing Requirements
    9. 5.9  Switching Characteristics
    10. 5.10 Typical Characteristics
  6. 6 Parameter Measurement Information
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 4-Level Inputs
      2. 7.3.2 USB Receiver Linear Equalization
        1. 7.3.2.1 Linear EQ Configuration
        2. 7.3.2.2 Full Adaptive Equalization
        3. 7.3.2.3 Fast Adaptive Equalization
      3. 7.3.3 USB Transmitter
        1. 7.3.3.1 Linearity VOD
        2. 7.3.3.2 Limited VOD
        3. 7.3.3.3 Transmit Equalization (Limited Redriver Mode Only)
      4. 7.3.4 USB 3.2 2:1 MUX Description
      5. 7.3.5 USB Polarity Inversion
      6. 7.3.6 Receiver Detect Control
    4. 7.4 Device Functional Modes
      1. 7.4.1 MODE Pin
      2. 7.4.2 Rx EQ Configuration in Pin-Strap Mode
      3. 7.4.3 USB 3.2 Power States
      4. 7.4.4 Disabling U1 and U2
    5. 7.5 Programming
      1. 7.5.1 Pseudocode Examples
        1. 7.5.1.1 Fixed EQ with Linear Redriver Mode
        2. 7.5.1.2 Fixed EQ with Limited Redriver Mode
        3. 7.5.1.3 Fast AEQ with Linear Redriver Mode
        4. 7.5.1.4 Fast AEQ with Limited Redriver Mode
        5. 7.5.1.5 Full AEQ with Linear Redriver Mode
        6. 7.5.1.6 Full AEQ with Limited Redriver Mode
      2. 7.5.2 TUSB1142 I2C Address Options
      3. 7.5.3 TUSB1142 I2C Target Behavior
    6. 7.6 Register Map
      1. 7.6.1 TUSB1142 Registers
  8. 8 Application and Implementation
    1. 8.1 Application Information
  9. 9 Typical Application
  10. 10Design Requirements
  11. 11Detailed Design Procedure
    1. 11.1 USB SSTX Receiver Configuration
    2. 11.2 USB CRX1/2 Receiver Configuration
      1. 11.2.1 Fixed Equalization
      2. 11.2.2 Full Adaptive Equalization
      3. 11.2.3 Fast Adaptive Equalization
  12. 12Application Curves
  13. 13Power Supply Recommendations
  14. 14Layout
    1. 14.1 Layout Guidelines
    2. 14.2 Layout Example
  15. 15Device and Documentation Support
    1. 15.1 接收文档更新通知
    2. 15.2 支持资源
    3. 15.3 Trademarks
    4. 15.4 Electrostatic Discharge Caution
    5. 15.5 术语表
  16. 16Mechanical, Packaging, and Orderable Information

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

3 说明

TUSB1142 是一款具有 1:2 多路信号分离器或 2:1 多路复用器功能的 10 Gbps USB 3.2 线性转接驱动器，适用于 USB-C™ 应用。TUSB1142 用于驻留在主机和 USB-C 插座之间或 USB 器件和 USB-C 插座之间。TUSB1142 支持第 2 代 USB 3.2 (10 Gbps) 和第 1 代 USB 3.2 (5 Gbps) 以及 USB 3.2 低功耗状态（断开、U1、U2 和 U3）。

TUSB1142 具有创新的自适应接收器均衡 (AEQ) 功能。AEQ 功能将自动确定其认为的 TUSB1142 和插入 USB 连接器的 USB 器件之间的最优 ISI 补偿设置，从而提高互操作性。

TUSB1142 由 3.3V 单电源供电运行，并采用 40 引脚 WQFN 封装。

器件信息(1)
器件型号 封装 封装尺寸（标称值）
TUSB1142 WQFN (40) 4.00mm × 6.00mm
(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。

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