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TUSB1146
SLLSFB2 –APRIL 2020
TUSB1146 USB Type-C™ DisplayPort™ Alt Mode 10-Gbps Linear Redriver Crosspoint
Switch
1 Features
2 Applications
1
•
USB Type-C crosspoint switch supporting
•
•
•
Notebooks and desktops
Tablets
–
–
USB 3.2 SSP + 2 DisplayPort Lanes
4 DisplayPort Lanes
Docking Stations
•
•
•
•
USB 3.2 x1 Gen 1/Gen 2 up to 10 Gbps
3 Description
VESA®DisplayPort 2.0 up to 10 Gbps (UHBR10)
The TUSB1146 is a VESA USB Type-C™ Alt Mode
redriving switch supporting USB 3.2 data rates up to
10 Gbps and DisplayPort 2.0 up to 10 Gbps for
downstream facing port (Host). The device is used for
Supports D_DFP pin assignments C, D, and E
Choice between adaptive or fixed equalization for
USB DFP receivers.
configurations C, D, and
E
from the VESA
•
•
Linear and limited redriver supported on UFP
transmitter
DisplayPort Alt Mode on USB Type-C standard. This
protocol-agnostic linear redriver is also capable of
supporting other USB Type-C Alt Mode interfaces
such as HDMI Alt Mode.
Limited redriver option offers both TX voltage
swing and TX equalization control
–
4 Levels of TX voltage swing from 800 mVpp
up to 1100 mVpp
The TUSB1146 incorporates an innovative, adaptive
receiver equalization (AEQ) feature. The AEQ feature
will automatically find the best ISI compensation
setting between the USB device and the TUSB1146.
Because the AEQ finds the best setting,
interoperability between a USB Host and USB Device
is vastly improved. The TUSB1146 operates on a
single 3.3-V supply and comes in a commercial
temperature range and industrial temperature range.
–
TX pre-shoot and de-emphasis
•
•
•
•
•
Ultra-low-power architecture
Up to 12 dB equalization at 5 GHz
Transparent to DisplayPort link training
Configuration through GPIO or I2C
Intel proprietary DCI capability on USB Type-C for
closed chassis debugging
Device Information(1)
•
•
Hot-Plug capable
PART NUMBER
TUSB1146
PACKAGE
BODY SIZE (NOM)
Industrial temperature range: –40 ºC to 85 ºC
(TUSB1146I)
WQFN (40)
4.00 mm x 6.00 mm
TUSB1146I
•
•
Commercial temperature range: 0 ºC to 70 ºC
(TUSB1146)
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 mm x 6 mm, 0.4 mm Pitch WQFN package
Simplified Schematics
D+/-
USB Host
SSTX
SSRX
TUSB1146
RX2
TX2
TX1
RX1
DP0
DP1
DP2
GPU
DP3
SBU1
SBU2
AUXp
AUXn
HPDIN
FLIP 0 1 CTL
PD Controller
CC1
CC2
HPD
Control
Copyright © 2018, Texas Instruments Incorporated
1
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.