INDP0p

INDP0n

INDP3p

INDP3n

I2C_EN

A0

TEST2/SDA

TEST1/SCL

VCC

AUXp

AUXn

OUTDP3n

OUTDP3p

SNOOPENZ/RSVD8

OUTDP2n

OUTDP2p

HPDIN/RSVD9

EQ

EQ

EQ

EQ

Driver

Driver

VREG

Control Logic and Registers

DPEQ_SEL

DPEQ_SEL

INDP1p

INDP1n

INDP2p

INDP2n

DPEN/HPDIN

Copyright © 2017, Texas Instruments Incorporated

DPEQ_SEL

DPEQ_SEL

DPEQ_SEL

OUTDP0p

OUTDP0n

Driver

OUTDP1p

OUTDP1n

Driver

DPEQ0/A1

DPEQ1

I2C

Slave

AUX

Snooping

11

TDP142

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SLLSEZ1C – SEPTEMBER 2017 – REVISED MAY 2019

Product Folder Links: TDP142

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Copyright © 2017–2019, Texas Instruments Incorporated

8 Detailed Description

8.1 Overview

The TDP142 is a DisplayPortTM linear re-driver that supports up to 8.1 Gbps for each lane. Additionally, its

transparency to the DP link training makes TDP142 a position independent device, suitable for source/sink or

cable application.

The TDP142 helps the system to pass compliance of both transmitter and receiver for DisplayPort version 1.4

HBR3. The re-driver recovers incoming data by applying equalization that compensates for channel loss, and

drives out signals with a high differential voltage. Each channel has a receiver equalizer with selectable gain

settings. The equalization should be set based on the amount of insertion loss before the TDP142 receivers. The

equalization control can be controlled by DPEQ[1:0] pins or I2C registers.

The device ultra-low-power architecture operates at a 3.3-V power supply and achieves enhanced performance.

Also, it comes in a commercial temperature range and industrial temperature range.

8.2 Functional Block Diagram