7 Replies Latest reply on Sep 16, 2018 8:04 PM by ShifangZ_26

    USB-C to DP / USB3.0/ USB 2.0 conversion




      I am looking for a sulution for az USB-C reference design with the following features:


      - USB-C input (upstream port) with PD (power source, charging the connected laptop @60W)

      - DP Alt Mode, 4k@60 Hz, HDMI 2.0 output (no dual DP/HDMI output required)

      - USB3.0 HUB: switcheable modes (via external control, GPIO or I2C):

           - 2lane USB3.0 with 2lane DP (up to 2x5 = 10 Gbps)

           - 4lane DP, no USB3.0

      - USB2.0

      - Gigabit ethernet

      - No USB-C downstream port required (Only USB-A @ USB2.0 and USB3.0)


      I found that the HX3C Reference design ("RevStar", ) can be OK for the tasks above. Please let me know, how to switch during operation (not at compile time!) between 2lane and 4 lane DP modes. Please recommend other solutions if any. BOM and cost optimized solutions are welcome.