TUSB521-Q1: CTL0 low clarification

David Shumate

Part Number: TUSB521-Q1

Hi Team,

I have a question regarding the Redriver TUSB521-Q1: after ESD testing we found out that CTL0 pin of the redriver is pulling to low despite having and external pull-up.

While the redriver FLIP pin is functioning normally.

Apart from Average active power USB only mode and No device connected, should we see CTL0 go low, or it should be fully high for normal operation?

Thanks,

David

3 months ago

0 Vishesh Pithadiya 3 months ago

TI__Guru 62576 points

Hi David,

CTL0 is an input pin, so the redriver will not be actively driving this signal. Is there anything else other than the PUP populated on this net?

0 Vishesh Pithadiya 3 months ago in reply to Vishesh Pithadiya

TI__Guru 62576 points

Hello,

Closing thread due to inactivity. If you have any follow-up questions or concerns, feel free to reply.

Interface

Interface forum

TUSB521-Q1: CTL0 low clarification