SNLS787 September   2025 TDP2004-Q1

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 4Pin Configuration and Functions
  6. 5Specifications
    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 DC Electrical Characteristics
    6. 5.6 High Speed Electrical Characteristics
    7. 5.7 SMBUS/I2C Timing Charateristics
    8. 5.8 Typical Characteristics
    9. 5.9 Typical Jitter Characteristics
  7. 6Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 RX Equalization Control Settings
      2. 6.3.2 Flat-Gain
      3. 6.3.3 Cross Point
    4. 6.4 Device Functional Modes
      1. 6.4.1 Active Mode
      2. 6.4.2 Standby Mode
    5. 6.5 Programming
      1. 6.5.1 Pin mode
        1. 6.5.1.1 Five-Level Control Inputs
      2. 6.5.2 SMBUS/I2C Register Control Interface
        1. 6.5.2.1 Shared Registers
        2. 6.5.2.2 Channel Registers
      3. 6.5.3 SMBus/I2C Controller Mode Configuration (EEPROM Self Load)
  8. 7Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 DP2.1 Main Link Signal Conditioning
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curves
      2. 7.2.2 USB-C Cross Point Mux with Signal Conditioner
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.1 Overview

The TDP2004-Q1 is a four-channel multi-rate linear redriver with integrated signal conditioning. The signal channels of the device operate independently from one another. Each channel includes a continuous-time linear equalizer (CTLE) and a linear output driver, which together compensate for a lossy transmission channel between the source transmitter and the final receiver. The linearity of the data path is specifically designed to preserve any transmit equalization while keeping receiver equalization effective.

The TDP2004-Q1 can be configured three different ways:

Pin mode – device control configuration is done solely by strap pins. Pin mode is expected to be satisfactory `for many system implementation needs.

SMBus/I2C Controller mode – device control configuration is read from external EEPROM. When the TDP2004-Q1 has finished reading from the EEPROM successfully, the device drives the DONEn pin LOW. SMBus/I2C Target operation is available in this mode before, during, or after EEPROM reading. Note: during EEPROM reading, if the external SMBus/I2C Controller wants to access TDP2004-Q1 registers, the external controller must support arbitration. The mode is preferred when software implementation is not desired.

SMBus/I2C Target mode – provides most flexibility. Requires a SMBus/I2C Controller device to configure TDP2004-Q1 though writing to the Target address.