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TUSB1146 Datasheet Preview

TUSB1146 Datasheet

Linear Redriver Crosspoint Switch

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TUSB1146
SLLSFB2 – APRIL 2020
TUSB1146 USB Type-C™ DisplayPort™ Alt Mode 10-Gbps Linear Redriver Crosspoint
Switch
1 Features
1 USB Type-C crosspoint switch supporting
– USB 3.2 SSP + 2 DisplayPort Lanes
– 4 DisplayPort Lanes
• USB 3.2 x1 Gen 1/Gen 2 up to 10 Gbps
• VESA®DisplayPort 2.0 up to 10 Gbps (UHBR10)
• Supports D_DFP pin assignments C, D, and E
• Choice between adaptive or fixed equalization for
USB DFP receivers.
• Linear and limited redriver supported on UFP
transmitter
• 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
– 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
• Hot-Plug capable
• Industrial temperature range: –40 ºC to 85 ºC
(TUSB1146I)
• Commercial temperature range: 0 ºC to 70 ºC
(TUSB1146)
• 4 mm x 6 mm, 0.4 mm Pitch WQFN package
Simplified Schematics
D+/-
USB Host
SSTX
SSRX
TUSB1146
DP0
DP1
GPU
DP2
DP3
AUXp
AUXn
HPDIN
HPD
FLIP 0 1 CTL
Control
PD Controller
RX2
TX2
TX1
RX1
SBU1
SBU2
CC1
CC2
2 Applications
Notebooks and desktops
Tablets
Docking Stations
3 Description
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
configurations C, D, and E from the VESA
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.
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.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TUSB1146
TUSB1146I
WQFN (40)
4.00 mm x 6.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
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.




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TUSB1146 Datasheet Preview

TUSB1146 Datasheet

Linear Redriver Crosspoint Switch

No Preview Available !

TUSB1146
SLLSFB2 – APRIL 2020
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 TUSB1146 Pin Configuration and Functions ...... 3
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 5
6.5 Power Supply Characteristics ................................... 5
6.6 Control I/O DC Electrical Characteristics .................. 6
6.7 USB and DP Electrical Characteristics ..................... 8
6.8 DCI Electrical Characteristics ................................. 11
6.9 Timing Requirements .............................................. 11
6.10 Switching Characteristics ...................................... 11
6.11 Typical Characteristics .......................................... 13
7 Parameter Measurement Information ................ 17
8 Detailed Description ............................................ 22
8.1 Overview ................................................................. 22
8.2 Functional Block Diagram ....................................... 23
8.3 Feature Description................................................. 24
8.4 Device Functional Modes........................................ 25
8.5 Programming........................................................... 32
8.6 Register Maps ......................................................... 38
9 Application and Implementation ........................ 47
9.1 Application Information............................................ 47
9.2 Typical Application ................................................. 47
9.3 System Examples .................................................. 52
10 Power Supply Recommendations ..................... 57
11 Layout................................................................... 58
11.1 Layout Guidelines ................................................. 58
11.2 Layout Example .................................................... 59
12 Device and Documentation Support ................. 60
12.1 Receiving Notification of Documentation Updates 60
12.2 Community Resources.......................................... 60
12.3 Trademarks ........................................................... 60
12.4 Electrostatic Discharge Caution ............................ 60
12.5 Glossary ................................................................ 60
13 Mechanical, Packaging, and Orderable
Information ........................................................... 60
4 Revision History
DATE
April 2020
REVISION
*
NOTES
Initial release.
2
Submit Documentation Feedback
Product Folder Links: TUSB1146
Copyright © 2020, Texas Instruments Incorporated



Part Number TUSB1146
Description Linear Redriver Crosspoint Switch
Maker etcTI
Total Page 3 Pages
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