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TPD6S300A: Is it possible to swap CC1 and CC2?

K.Yaita
Guru 29700 points
Part Number: TPD6S300A

Hi Team,

Is it possible to swap CC1(C_CC1) and CC2(C_CC2) as the following?

- before
Connector(Type-C)     TPD6S300A         PD Controller
          CC1              C_CC1         CC1        CC1
          CC2              C_CC2         CC2        CC2

- after
Connector(Type-C)     TPD6S300A         PD Controller
          CC1              C_CC2         CC2        CC1
          CC2              C_CC1         CC1        CC2

Best Regards,
Yaita

  • 0
    TI__Mastermind 28830 points

    Hi Yaita,

    Is there a specific reason why you are wanting to do this? I would not recommend doing this as it would cause a reverse polarity to always be detected

  • 0 in reply to Adam Mc Gaffin
    Guru 29700 points

    Hi Adam-san,

    I heard my customer doesn't want to cross CC1 line and CC2 line even if TPD6S300A is mounted backside of their board.
    By the way, does TPD6S300A have reverse polarity detection?
    The block diagram shows there is no difference between CC1(C_CC1) and CC2(C_CC2) so I have thought my customer can connect as the following.
    --------------------------------------
    Connector(Type-C)     TPD6S300A         PD Controller
              CC1       ----  C_CC2         CC2  ----   CC1
              CC2       ----  C_CC1         CC1  ----   CC2
    --------------------------------------



    In addition, he also wants to know if it is possible to swap SBU1(C_SBU1) and SBU2(C_SBU2) in the same manner.

    Best Regards,
    Yaita

  • +1 in reply to K.Yaita
    TI__Mastermind 28830 points

    Hello,

    This may not cause an issue but I cannot say with 100% confidence as I have not seen a customer implement this device in such a way. 

    In general, I would recommend not to switch the CC or SBU pins, and to connect CC1 on the TPD6S300A with CC1 on the Type-C port and PD controller