Host-Side USB Type-C® Port Configuration Switch for USB / DisplayPort Alt Mode, with Integrated Redriver and Port Controller with TCPC Interface

The PS8751 addresses requirements for the implementation of a USB Type-C connector on a USB host device that supports the VESA® DisplayPort Alt Mode Standard.  It includes the configuration switching for all of the USB Type-C connection signals and a TCPC (Type-C Port Controller) Interface that enables the management of the USB Type-C interface functions.

PS8751 Block Diagram rev 1 (web)


  • Smartphones and Tablets
  • Notebooks, Personal Computers
  • Other USB Type-C Host Devices


  • Compliant with VESA DisplayPort Alt Mode on USB Type-C Standard version 1.0a
  • Compliant with USB Power Delivery Rev. 2.0
  • Compliant with USB Type-C Port Controller Interface Specification Rev. 1.0
  • Flexible USB Type-C switching support for USB 3.1 Gen 1 5.0Gbps, and DisplayPort Alternative Mode up to 5.4Gbps
  • Input equalizers on high speed inputs to overcome signal loss in PCB and external cable
  • Active drivers on high speed outputs to assure reliable signal transmission
  • Automatic output driver adjustment for DisplayPort path utilizing field-proven AUX interception during link training (patented by Parade Technologies)
  • Active switch fabric for USB/DP and flip control
  • Integrated BMC PHY and protocol
  • USB PD function is configurable for DFP/UFP/DRP support
  • Built-in CC logic for plug and orientation detection
  • Integrated Vconn power switch
  • GPIOs for VBUS switch and other system control
  • I2C slave with ALERT# (TPCPCI)
  • DCI support
  • Low power consumption
  • 30uW standby power consumption
  • Package Options (Halogen free RoHS):
    • PS8751A: 6.5×4.5mm 52-pin QFN
    • PS8751B: 6.5×4.5mm 52-pin QFN
    • PS8751E: 3×4.5mm 60-ball VFBGA
  • Power Supply Options:
    • PS8751A: 3.3V and 1.2V/1.35V supplies
    • PS8751B: Single 3.3 V supply
    • PS8751E: 3.3V and 1.2V supplies
  • ESD: Human Body Mode at 8kV for all connector pins