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TPD4EUSB30: Polarity Inversion on D+ D- pins

Ashbin Babu
Prodigy 10 points

Part Number: TPD4EUSB30

Hi, 

For TPD4EUSB30DQAR, is there any particular reason the pins D+/D- are named like that? As far as we could understand, it's okay to connect the DP pair to D- as well. Pls confirm if polarity inversion can be applied for the part or not as it's a TVS diode. 

  • 0
    TI__Intellectual 1320 points

    Hello, 

    Ashbin Babu said:
    For TPD4EUSB30DQAR, is there any particular reason the pins D+/D- are named like that? As far as we could understand, it's okay to connect the DP pair to D- as well.

    It is to match a normal USB pair orientation, so it's marked like that to help designers on the layout. It is fine to swap the lines.

    Ashbin Babu said:
    Pls confirm if polarity inversion can be applied for the part or not as it's a TVS diode. 

    Yes, it is fine. Internally, they are electrically identical. 

    Let me know if you have any further questions. Thanks. 

    Best, 
    Leah Jones