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USB port detection with SDP & Charger connection

Divya jyothi
Intellectual 810 points

Hi Community,

Please suggest me the part for the below my requirement.

I have 2 cases:

1st case:

Optical transmitter cable with USB interface is connected to Down stream port  1 of USB HUB. From the same port entire board will be powered ON.

In the 2nd case:
For the same port instead of Optical cable, Charge will be connected. In this case D+ & D- channels to Down stream port 1 of USB HUB must be disabled. and Down stream port 2 must be enabled.

And Down stream port 2 VBUS is supplied by Down stream Port 1 VBUS.

In both the cases Board must be powered from VBUS of Down stream port 1.

As my board size is very small, please suggest me the part with very small Foot print.

Thanks & regards,

Divya

  • 0
    TI__Mastermind 27525 points
    Hello Divya,

    I'm a little confused on your system. Would you mind including a block diagram of your system? Are you wanting to have two separate USB ports that are either enabled or disabled depending on what device is connected to them?

    Or are you wanting to have 1 port that charges differently based on what device is connected?