USB Host

GPU

TUSB546A-DCI

PD Controller

D+/-

SSTX

SSRX

DP0

DP1

DP2

DP3

AUXp

AUXn

SBU1

SBU2

CC1

CC2

Control

HPD

CTL

FLIP 0 1

TX1

TX2

RX1

RX2

HPDIN

Copyright © 2017, Texas Instruments Incorporated

TUSB546A-DCI

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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

TUSB546A-DCI

SLLSF14 – JUNE 2017

TUSB546A-DCI USB Type-C™ DP ALT Mode Linear Redriver Crosspoint Switch

1

1 Features

1

•

USB Type-C Crosspoint Switch Supporting

–

USB 3.1 SS + 2 DP Lanes

–

4 DP Lanes

•

USB 3.1 Gen1 up to 5 Gbps

•

DisplayPort 1.4 up to 8.1 Gbps (HBR3)

•

VESA DisplayPort Alt Mode DFP Redriving

Crosspoint Switch Supporting C, D, E and F

Configurations

•

Ultra-Low-Power Architecture

•

Linear Redriver With up to 14 dB Equalization

•

Transparent to DisplayPort Link Training

•

Automatic LFPS De-Emphasis Control to Meet

USB 3.1 Certification Requirements

•

•

Intel Proprietary DCI capability on USB Type-C™

for closed chassis debugging

•

Hot-Plug Capable

•

Industrial Temperature Range: -40ºC to 85ºC

(TUSB546AI-DCI)

•

Commercial Temperature Range: 0ºC to 70ºC

(TUSB546A-DCI)

•

4 mm x 6 mm, 0.4 mm Pitch WQFN Package

2 Applications

•

Tablets

•

Notebooks

•

Desktops

•

Docking Stations

3 Description

The TUSB546A-DCI is a VESA USB Type-C™ Alt

Mode redriving switch supporting USB 3.1 data rates

up to 5 Gbps and DisplayPort 1.4 up to 8.1 Gbps for

downstream facing port (Host). The device is used for

configurations C, D, E, and F from the VESA

DisplayPort Alt Mode on USB Type-C Standard

Version 1.1. This protocol-agnostic linear redriver is

also capable of supporting other USB Type-C Alt

Mode interfaces.

The

TUSB546A-DCI

provides

several

levels

of

receive linear equalization to compensate for inter

symbol interference (ISI) due to cable and board

trace loss. Operates on a single 3.3-V supply and

comes in a commercial temperature range and

industrial temperature range.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

TUSB546A-DCI

WQFN (40)

4.00 mm x 6.00 mm

TUSB546AI-DCI

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Schematics

TUSB546A-DCI Eye Diagram