8 Application and Implementation

Note

Information in the following applications sections is not part of the TI component specification,

and TI does not warrant its accuracy or completeness. TI’s customers are responsible for

determining suitability of components for their purposes, as well as validating and testing their design

implementation to confirm system functionality.

8.1 Application Information

The TUSB522P is a dual-channel single-lane re-driver and signal conditioner designed to compensate for

ISI jitter caused by attenuation through passive mediums such as traces or cables. The TUSB522P has two

independent channels to allow optimization in both upstream and downstream directions through three EQ and

six De-Emphasis settings.

8.2 Typical Application

USB3.2

Host

Redriver

A

B

D

C

RX1P

RX1N

TX2P

TX2N

TX1P

TX1N

RX2N

RX2P

PCB Trace of Length LAB

PCB Trace of Length LCD

Op onal

RESD

CAC-USB1

CAC-USB2

LESD

LAC-CAP

LAC-CAP

LR_ESD

CAC-USB1

RRX

Upstream direc on

Downstream direc on

Figure 8-1. Embedded Host Application

The CAC-USB1 and CAC-USB2 should be placed between ESD and USB receptacle for systems designing for short

to VBUS protection.

TUSB522P

SLLSEV9E – JULY 2016 – REVISED NOVEMBER 2023

www.ti.com

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