PS8833 is a USB4®, DisplayPort™ 2.1 and Thunderbolt™ 4 retimer for host applications. It conforms to the USB4 and USB 3.2 specifications and related USB-IF specifications addressing retimer and alternate mode support and conforms to the VESA DisplayPort Alternate Mode on USB Type-C® 2.0 standard. In addition to full USB4 Gen 3×2 and USB 3.2 Gen 2×2 support and DisplayPort™ 4 lane support up to UHBR20, the PS8833 supports the multifunction operation of USB 3.2 Gen 2×1 with DP 1 or 2 lane support as defined by the DP Alt Mode standard. With its fully enabled USB4 and alt mode features the PS8833 provides a simple but versatile high-performance retimer solution for high speed signal integrity and compliance margin at the USB-C receptacle. With fully support on USB4 low power state, PS8833 also provides ultra-low standby power to extend the system battery life as well as the USB4 ecosystem and the user experience.

Key Features

  • Supports USB4 Gen 3×2 40Gbps and Gen 2×2 20Gbps
  •  Supports USB 3.2 Gen 2×2 20Gbps
  • Low power U1, U2 and U3
  •  Supports DisplayPort™  (DP) and Thunderbolt™ Alt modes
  •  Supports DP 2.1 up to UHBR20 20Gbps
    • RBR, HBR, HBR2, HBR3, UHBR10, UHBR13.5 and UHBR20
    • Supports LTTPR transparent and non- transparent modes
  •  Supports DP2.1 Advanced Link Power Management (ALPM)
  •  Supports Thunderbolt™  4 10.3125Gbps and 20.625Gbps link rates
  •  Integrated AUX / LSx switch for SBU
  •  Adaptive CTLE and DFE equalizer
  •  Integrated 85Ω differential termination resistors for input and output
  •  Low power consumption
  •  3.3V and 0.9V power supply
  •  6.0 x 6.0mm 105-ball BGA package and 4.7 x 8.0mm 62-pin QFN package
  •  ESD: 5Kv


  • Notebooks, Desktop PCs and Tablets
  • USB Type-C host applications