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TUSB211 PCB length

kerr chang
Genius 4075 points

Other Parts Discussed in Thread: TUSB211

Hi Team

We didn't see any PCB length requirement for TUSB211 per-channel and post-channel in the datasheet? Could you be able to provide the related information?

  • 0
    TI__Guru* 76130 points
    Hello,
    Sorry for the delay, we have assigned a support engineer to answer your question.
    Regards
  • 0
    TI__Mastermind 36085 points
    Hello Kerr,

    We don't have a trace length spec because this device improves the signal's slew-rate but does not compensate the DC loss, so it is highly dependent on the trace and cable quality. What we recommend as a first approach is to have the TUSB211 close to the connector when the trace is about 12 inches ; if the trace is longer than that you can include an extra re-driver at the beginning of the USB traces.

    Regards,
    Diego.