TUSB8044AEVM: TUSB8044A

Hi Pavel:

     TUSB8044A can only support USB 2/3 data, it can not support HDMI signal. For your other questions:

Q1:TUSB8044A is USB 3.1 Gen 1 device.

Q2: Type-C Alt mode can support Display port signal, so a GPU is required for DP output  and you need MST hub for hdmi.

Q3: here is example for type-C port with hub and alt mode:

Regards

Brian

Hello Brian,

Thank you so much for the answers and explanation!

My design requirements are:

1. USB-C upstream input [will be connected to PC]

2. 1x HDMI (V1.4) output [only one LCD will be connected there] and 2x USB-C outputs [but these will be used only as USB 2.0]

3. It is preferable not to use external power but the power from upstream USB-C instead (like most of the USB-C HUBs on the market).

4. Could you please recommend the TI specific ICs for the above requirements [with reference design if possible]?

(I know there are plenty available HUBs on the market with these requirements, but they are having lower operating temperature than we need).

Note: The Image that you sent is blurry - could you try to re-send it please? 

Thank you so much.

Pavel

Hi Pavel:

 TI Hub can transfer USB signal. How do you input HDMI signal? from HDMI connector or type-C? normally type-C connector  can only receive DisplayPort signal

Regards

Brian

Hi Brian,

Thank you for reply!

Here is the top-level Block diagram for explanation.

I am trying to design (besides the USB-C HUB from 1 to 4 outputs) also HDMI output for LCD (everything on the same PCB). The all signals are coming from Host (PC or laptop on the left) through USB-C. I need to provide HDMI output for single LCD with 1280x800 resolution.

The connection between HOST and my board will be the "USB-C to USB-C" with Thunderbolt cable.

 Please, let me know you suggestion/recommendation for this design.

Thank you so much.

Pavel

Hi Pavel:

   Issue here is type-C host can only send  out displayport signal , not HDMI . We can have a call to discuss this.

Regards

Brian

Hi Brian,

I replied to you few minutes ego, but please let me know if you are available for the phone call on Monday.

I am available any Pacific time zone (our office is located in San Jose, CA).

Thank you so much.

Pavel 

I can have call after 1pm central time (TX).

Regards

Brian

Hi Brian,

Your suggested time is great.

Please, let me know if there is number, I should call or if you need my cell ph. number.

Thank you.

Pavel