TPS25762-Q1: Can we use USB2.0 mux to support USB2.0 and BC1.2?

Jass Jin

Intellectual 2465 points

Part Number: TPS25762-Q1
Other Parts Discussed in Thread: TPS25830A-Q1,

Hi expert,

TPS25830A-Q1 has internal switch for USB2.0 and support BC1.2 SDP/CDP.

Can TPS25762-Q1 support it with some external MUX device?

Thanks!

over 1 year ago

0 Chuck Branch over 1 year ago

TI__Mastermind 32661 points

Hi Jass,

The TPS25762 does not support CDP/SDP. It was designed to only support DCP charge only applications.

Regards,

Chuck

0 Jass Jin over 1 year ago in reply to Chuck Branch

TI__Intellectual 2465 points

If we have external USB2.0 mux and one soc for signal switching, can we support BC1.2 at the beginning and then turn to USB2.0 mode with soc?

0 Chuck Branch over 1 year ago in reply to Jass Jin

TI__Mastermind 32661 points

Jass,

All of the USB negotiation needs to be done with a single device, so a Mux will not work. The DCP is the first part of the negotiation and the SDP/CDP occurs immediately after and they are sinked. There is no way to mux between them.

Regards,

Chuck

0 Jass Jin over 1 year ago in reply to Chuck Branch

TI__Intellectual 2465 points

Hi Chuck,

Do we have a solution that can support both PD3.0 and USB2.0 data transmit in automotive?

Seem TPS25762 cannot support it.

Power management

Power management forum

TPS25762-Q1: Can we use USB2.0 mux to support USB2.0 and BC1.2?