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OC pin on TPS2051B

Paul Singh

Expert 2750 points

Other Parts Discussed in Thread: TPS2051B

Hi,

Would like to confirm the purpose of OCn pins on TPS2051B:

According to USB 2.0 Spec there is a requirement for host and hub to detect overcurrent condition. Is this what the OCn pin is for?
If the host processor uses 1.8V I/O, should we tie OCn to 1.8V instead of 3.3V?

Paul

over 11 years ago

0 Elias Villegas M. over 11 years ago

TI__Guru* 76130 points

Hello, please see below answers in red.

According to USB 2.0 Spec there is a requirement for host and hub to detect overcurrent condition. Is this what the OCn pin is for? [ans] Yes
If the host processor uses 1.8V I/O, should we tie OCn to 1.8V instead of 3.3V? [ans] Yes

Regards.

0 Paul Singh over 11 years ago in reply to Elias Villegas M.

Expert 2750 points

Thanks!