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TPS25940: Common mode coil position

Koji Ikeda
Expert 6295 points
Part Number: TPS25940

Hello support team,

My customer plan to use TPS25940 and they would like to put common mode coil. Which is better usage for common mode coil?

*Input - TPS25940 - common mode coil - load

*Input - common mode coil - TPS25940 - load

Thanks,

Koji Ikeda

  • +1
    TI__Guru* 79071 points

    Hi Koji,

    TPS25940 functionality is not dependent on common mode coil position. I think it depends on customer choice. But just one thought if we place it just after the supply then we can already filter noise before it propagates further.

    Regards

    Kunal Goel