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TPS25810: Application of TPS25810 in USB3.1 gen2 with TUSB1042i

Feng bin Su
Expert 8040 points
Part Number: TPS25810
Other Parts Discussed in Thread: TUSB1042I,

Hi team,

There is one question about TPS25810 and TUSB1042i application.

If TUSB1042i is at GPIO mode, Bu have any suggestion pin for CTL0 control or do you suggest to pull-high this pin.

For flip pin, can I connect to POL_ of TPS25810?  Please let me know if there is any concern. Thanks.

  • 0
    TI__Genius 9630 points

    Hello,

    POL on the TPS25810 is low when CC1 is being used and FLIP is high so you would not be able to directly connect these. 

    To fix this, Figure 15 from the datasheet reverses the super speed connections to the MUX from the Type-C connector (SS2 connected to B, SS1 connected to C).

    I would check with the TUSB1042I team for the connection of CTL0, however pulling it high seems like it would give you the desired result.

    Thanks,

    Emma