TUSB2E22: Back to back possible?

Mark Guastaferro

Genius 11245 points

Part Number: TUSB2E22
Other Parts Discussed in Thread: TS3USB31E, TUSB216

Is it possible to connect two TUSB2E22 devices back to back to make a USB2 repeater. Connection would look like this:

over 1 year ago

0 Nicholaus_Malone over 1 year ago

TI__Mastermind 23530 points

Hello,

The TUSB2E22 must be configured by a eUSB host or device in order to properly function, so I don't believe this is possible.

In either case we have a number of USB2 repeaters, like the TUSB216 or the TUSB211. Have you considered these devices?

Regards,

Nicholaus

0 Mark Guastaferro over 1 year ago in reply to Nicholaus_Malone

TI__Genius 11245 points

Thanks, this is what I suspected but wanted to confirm. We are aware of the USB2 redrivers like the TUSB216. The challenge is that there is requirement to disable the USB interface and there are two USB ports this needs to be done. A redriver like the TUSB216 could do this if combined with a USB SPST switch like TS3USB31E, but would take four devices for two channels. The back to back TSUB2E22 would only take two devices.

0 Nicholaus_Malone over 1 year ago in reply to Mark Guastaferro

TI__Mastermind 23530 points

Hi Mark,

I double-checked with the system engineer that the TUSB2E22 cannot be used this way.

Regards,

Nicholaus

0 Mark Guastaferro over 1 year ago in reply to Nicholaus_Malone

TI__Genius 11245 points

Hi Nicholaus,

Thanks for checking. We'll use the TUSB216 redriver with a SPST switch.

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TUSB2E22: Back to back possible?