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TUSB212: cable higher to 5m or 10m redriver design

lanjie Liu103016
Intellectual 820 points
Part Number: TUSB212
Other Parts Discussed in Thread: TUSB213, TUSB215

Does TUSB21X series can support USB2.0  cable length to 5m at high speed mode or 10m at low speed mode.

I see the parts TUSB213 TUSB215  support 5m at pre-channel .

If the connector is USB-C , can 2 pcs TUSB21X can use for long cable with 20awg or 24awg,thanks

  • 0
    TI__Guru** 104930 points
    The 212/213/214/215 can support 5m pre-channel, regardless of Type-C or Type-A connector.

    At Low-Speed or Full-Speed, the re-driver is not enabled, so there’s no benefit of using the redriver. not sure what the total cable length is that will work at Low-Speed, I think it’s more dependent on the VBUS voltage droop over the long cable length. I think 10m should be ok.

    Using two re-drivers can help with High-Speed over long cables, we’ve functionally tested 10m with two re-drivers and it works fine. Passing the Near-End eye mask still may not be possible even with 2 re-drivers at 10m.