Are USB3.x Series Capacitors Needed on Internal USB Buses

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Are USB3.x Series Capacitors Needed on Internal USB Buses

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ianmaw
Contributor II

We have a system where several hubs and downstream USB switches are used.

The specification seems to require capacitors on the transmit pairs (in my case I would need them on all lines) and the specification uses the word "shall" implying that this is not optional at all.

Do any of you know whether I need them with certainty please ?

Thanks,

Ian

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Rita_Wang
NXP TechSupport
NXP TechSupport

Yes, you need, please follow our guide.

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