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TPD6S300: Application with type-c plug interface

Antony Lin
Genius 13480 points
Part Number: TPD6S300

Hi,

We'll use a "type-c plug" type of connector as below with TPD6S300.  Some related questions are,

  1. A7/A6 as below should be connected to TPD6S300's D1& D2 pin and to USB2 host IC.  Is their any ESD concern to just keep B6/B7 unconnected as below?
  2. B5 as below is for Vconn purpose only, and we need to support dead battery mode as well. 
    • Should we connect B5/Vconn as CC2 for the case of "type-c receptacle interface"?
    • How should we connect TPD6S300/RPD_G2 pin?  Not used and keep it grounded?

Thanks!

Antony

  • 0
    TI__Genius 12410 points

    Antony,

    1.If it is just the plug not the receptacle go ahead and leave them open. Otherwise you could add some parasitic capacitance and B6 B7 are not actually connected to any wires. If you are doing the receptacle then A6 has to be shorted to B6 and A7 has to be shorted to B7.

    2. B5 should connect to CC2 and RPD_G2 should be shorted to C_CC2 for dead battery operation.

    Regards,
    Cameron

  • 0 in reply to Cameron Phillips
    TI__Genius 13480 points

    Hi Cameron,

    Thanks for your reply. 

    For "type-C plug" type of connector, B5/CC2 is actually used for VCONN purpose only.  (It would not work as CC2 function)  If so, do I still need to short B5/CC2 pin to RPD_G2 of TPD6S300 still?  If not, should I connect RPD_G2 to GND?

    Thanks!

    Antony