TUSB546-DCI USB Type-C DP ALT Mode Linear Redriver Crosspoint Switch | TI.com


USB Type-C DP ALT Mode Linear Redriver Crosspoint Switch

USB Type-C DP ALT Mode Linear Redriver Crosspoint Switch - TUSB546-DCI

Special note

TI recommends using TUSB546A-DCI/TUSB1046A-DCI parts in a new design, which has same PINOUT with enhanced feature set


The TUSB546-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 TUSB546-DCI provides several levels of receive linear equalization to compensate for cable and board trace loss due to inter symbol interference (ISI). Operates on a single 3.3 V supply and comes in a commercial temperature range and industrial temperature range.


  • 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
  • Configuration Through GPIO or I2C
  • Hot-Plug Capable
  • Industrial Temperature Range: -40ºC to 85ºC (TUSB546I-DCI)
  • Commercial Temperature Range: 0ºC to 70ºC (TUSB546-DCI)
  • 4 mm x 6 mm, 0.4 mm Pitch WQFN Package

All trademarks are the property of their respective owners.

View more

Parametrics Compare all products in USB Type-C and Power Delivery

Alternate Mode
Power Role
Data Role
Internal Power Path
External Power Path Control
Realtime VBUS monitoring
Dead Battery Support
USB Speed (Mbps)
Operating Temperature Range (C)
Package Group
Active Signal Switch    
0 to 70    
Alternate mode / Source    
WQFN | 40