ZHCSMM7A April   2022  – May 2024 TUSB1004

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4.   说明
  5. 3 Pin Configuration and Functions
  6. 4 Specifications
    1. 4.1  Absolute Maximum Ratings
    2. 4.2  ESD Ratings
    3. 4.3  Recommended Operating Conditions
    4. 4.4  Thermal Information
    5. 4.5  Power Supply Characteristics
    6. 4.6  Control I/O DC Electrical Characteristics
    7. 4.7  USB Electrical Characteristics
    8. 4.8  Timing Requirements
    9. 4.9  Switching Characteristics
    10. 4.10 Typical Characteristics
  7. 5 Parameter Measurement Information
  8. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 4-Level Inputs
      2. 6.3.2 USB Receiver Linear Equalization
        1. 6.3.2.1 Linear EQ Configuration
        2. 6.3.2.2 Full Adaptive Equalization
        3. 6.3.2.3 Fast Adaptive Equalization
      3. 6.3.3 USB Transmitter
        1. 6.3.3.1 Linearity VOD
        2. 6.3.3.2 Limited VOD
        3. 6.3.3.3 Transmit Equalization (Limited Redriver Mode Only)
      4. 6.3.4 USB 3.1 x2 Description
      5. 6.3.5 USB Polarity Inversion
      6. 6.3.6 Receiver Detect Control
    4. 6.4 Device Functional Modes
      1. 6.4.1 MODE Pin
      2. 6.4.2 Rx EQ Configuration in Pin-Strap Mode
      3. 6.4.3 USB 3.2 Power States
      4. 6.4.4 Disabling U1 and U2
    5. 6.5 Programming
      1. 6.5.1 Pseudocode Examples
        1. 6.5.1.1 Fixed EQ with Linear Redriver Mode
        2. 6.5.1.2 Fixed EQ with Limited Redriver Mode
        3. 6.5.1.3 Fast AEQ with Linear Redriver Mode
        4. 6.5.1.4 Fast AEQ with Limited Redriver Mode
        5. 6.5.1.5 Full AEQ with Linear Redriver Mode
        6. 6.5.1.6 Full AEQ with Limited Redriver Mode
      2. 6.5.2 TUSB1004 I2C Address Options
      3. 6.5.3 TUSB1004 I2C Target Behavior
    6. 6.6 Register Map
      1. 6.6.1 TUSB1004 Registers
  9. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 USB SSTX1/2 Receiver Configuration
        2. 7.2.2.2 USB CRX1/2 Receiver Configuration
          1. 7.2.2.2.1 Fixed Equalization
          2. 7.2.2.2.2 Full Adaptive Equalization
          3. 7.2.2.2.3 Fast Adaptive Equalization
        3. 7.2.2.3 ESD Protection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  10. 8 Device and Documentation Support
    1. 8.1 接收文档更新通知
    2. 8.2 支持资源
    3. 8.3 Trademarks
    4. 8.4 静电放电警告
    5. 8.5 术语表
  11. 9 Revision History
  12. 10Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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7.2.2.3 ESD Protection

It may be necessary to incorporate an ESD component to protect the TUSB1004 from electrostatic discharge (ESD). TI recommends following the ESD protection recommendations listed in Table 7-2. A clamp voltage greater than value specified in Table 7-2 may require a RESD on each differential pin. Place the ESD component near the USB connector.

Table 7-2 ESD Diodes Recommended Characteristics
Parameter Recommendation
Breakdown voltage ≥ 3.5 V
I/O line capacitance Data rates ≤ 5 Gbps: ≤ 0.50 pF
Data rates > 5 Gbps: ≤ 0.35 pF
Delta capacitance between any P and N I/O pins ≤ 0.07 pF
Clamping voltage at 8A IPP IO to GND (1) ≤ 4.5 V
Typical dynamic resistance ≤ 30 mΩ
(1) According to IEC 61000-4-5 (8/20μs current waveform)
Table 7-3 Recommended ESD Protection Component
Manufacturer Part Number RESD to support IEC 61000-4-2 Contact ±8 kV
Nexperia PUSB3FR4 1 Ω
Nexperia PESD2V8Y1BSF 1 Ω
Texas Instruments TPD1E04U04DPLR 2 Ω
Texas Instruments TPD4E02B04DQAR 2 Ω
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