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DP83867IR: DP83867 Magnetics / Integrated Magnetic RJ45 suggestion

Abhishek singh
Expert 2000 points
Part Number: DP83867IR

Hi Team 

Can you please let us know if there is any guidelines for selecting magnetic's  for DP83867. Currently we are using Wurth (7499111446) if this  part will work.

  • 0
    TI__Genius 11900 points

    Hello Abhishek,

    I recommend looking at the magnetics used on the EVM and comparing datasheets. Use magnetics with integrated common-mode choking devices.

    I can check with the team sometime next week, if your particular part has been tested.

    Thanks,

    Vibhu

  • 0 in reply to Vibhu Vanjari
    Expert 2000 points

    Hi Vibhu 

    Thanks for update. Since Gerber has been released, So i want to understand quickly what concern may come. So that i can take a call on stopping fabrication of PCB.

  • 0 in reply to Abhishek singh
    TI__Genius 11900 points

    Hello Abhishek,

    This part will not work with this application as the center taps are shorted together. Each PHY side center tap must be isolated from another and decoupled to ground through a decoupling capacitor (0.1 uF recommended). I would find a different part that meets these requirements:

    This information is planned to be added to the datasheet.

    Thanks,

    Vibhu