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TUSB1046A-DCI Datasheet Preview

TUSB1046A-DCI Datasheet

Linear Redriver Crosspoint Switch

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TUSB1046A-DCI
SLLSF13B – JUNE 2017 – REVISED MAY 2019
TUSB1046A-DCI USB Type-C™ DisplayPort™ ALT Mode 10-Gbps Linear Redriver
Crosspoint Switch
1 Features
1 USB Type-C™ crosspoint switch supporting
– USB 3.1 SSP + 2 DisplayPort lanes
– 4 DisplayPort™ lanes
• USB 3.1 Gen 1/Gen 2 up to 10 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
• Configuration through GPIO or I2C
• Intel proprietary DCI capability on USB Type-C for
closed chassis debugging
• Hot-plug capable
• Industrial temperature range: –40ºC to 85ºC
(TUSB1046AI-DCI)
• Commercial temperature range: 0ºC to 70ºC
(TUSB1046-DCI)
• 4 mm x 6 mm, 0.4 mm pitch WQFN package
2 Applications
• Tablets
• Notebooks
• Desktops
• Docking stations
3 Description
The TUSB1046A-DCI is a VESA USB Type-C™ Alt
Mode redriving switch supporting USB 3.1 data rates
up to 10 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 TUSB1046A-DCI provides several levels of
receive linear equalization to compensate for inter-
symbol interference (ISI) due to cable and board
trace loss. The device 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)
TUSB1046A-DCI
TUSB1046AI-DCI
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.
Simplified Schematics
TUSB1046A-DCI Eye Diagram
D+/-
USB Host
SSTX
SSRX
TUSB1046A-DCI
DP0
DP1
GPU
DP2
DP3
AUXp
AUXn
HPDIN
HPD
FLIP 0 1 CTL
Control
PD Controller
RX2
TX2
TX1
RX1
SBU1
SBU2
CC1
CC2
TUSB1046A-DCI
Copyright © 2017, 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.




etcTI

TUSB1046A-DCI Datasheet Preview

TUSB1046A-DCI Datasheet

Linear Redriver Crosspoint Switch

No Preview Available !

TUSB1046A-DCI
SLLSF13B – JUNE 2017 – REVISED MAY 2019
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 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 ................................... 6
6.6 DC Electrical Characteristics .................................... 6
6.7 AC Electrical Characteristics..................................... 7
6.8 DCI Specific Electrical Characteristics...................... 8
6.9 Timing Requirements ................................................ 9
6.10 Switching Characteristics ........................................ 9
6.11 Typical Characteristics .......................................... 10
7 Parameter Measurement Information ................ 12
8 Detailed Description ............................................ 14
8.1 Overview ................................................................. 14
8.2 Functional Block Diagram ....................................... 15
8.3 Feature Description................................................. 16
8.4 Device Functional Modes........................................ 17
8.5 Programming........................................................... 22
8.6 Register Maps ......................................................... 24
9 Application and Implementation ........................ 29
9.1 Application Information............................................ 29
9.2 Typical Application ................................................. 29
9.3 System Examples .................................................. 33
10 Power Supply Recommendations ..................... 38
11 Layout................................................................... 39
11.1 Layout Guidelines ................................................. 39
11.2 Layout Example .................................................... 39
12 Device and Documentation Support ................. 40
12.1 Related Links ........................................................ 40
12.2 Receiving Notification of Documentation Updates 40
12.3 Community Resources.......................................... 40
12.4 Trademarks ........................................................... 40
12.5 Electrostatic Discharge Caution ............................ 40
12.6 Glossary ................................................................ 40
13 Mechanical, Packaging, and Orderable
Information ........................................................... 40
4 Revision History
Changes from Revision A (April 2018) to Revision B
Page
• Added following to pin 11 description: If I2C_EN = “F”, then this pin must be set to “F” or “0”. ............................................ 4
Changes from Original (June 2017) to Revision A
Page
• Changed the appearance of the pinout image in the Pin Configuration and Function section .............................................. 3
• Added Note 1 to the Pin Functions table................................................................................................................................ 3
• Changed the USB3.1 Control/Status Registers reset value From: 00000000 To: 00000100.............................................. 28
• Changed the Reset value of bit 3:2 From: 00 To: 01 in Table 18 ....................................................................................... 28
2
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Copyright © 2017–2019, Texas Instruments Incorporated
Product Folder Links: TUSB1046A-DCI



Part Number TUSB1046A-DCI
Description Linear Redriver Crosspoint Switch
Maker etcTI
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