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TPS23754EVM-383: TPS23754EVM-383

flaviu schiopu
Prodigy 10 points
Part Number: TPS23754EVM-383

I built a board exactly as the TPS23754EVM-383, but the output is only 2.3V and unstable.

The VC voltage is around 11V, but the GATE and GAT2 are not driving the FETs( 0.2V on these).

Where do I need to look for diagnose , please !

Thank you very much,

Flaviu

  • 0
    TI__Mastermind 21320 points

    Hello Flaviu,

    Thank you for your question. Typically if an EVM design is copied and does not work, my first inclination is that a part is broken on the board. My suggestion would be to check the internal FET of the IC. Or, if possible, replace the IC with a new one to see. Let me know how those go. 

    Regards,

    Michael Pahl

  • 0 in reply to Michael Pahl
    TI__Mastermind 21320 points

    Hello Flaviu,

    I have not heard anything from your end in a week. I will assume you were able to resolve this issue if I don't hear from you in 48 hours. You can post here if the issue persists. Thank you for your interest in Texas Instruments PoE solutions.

    Regards,

    Michael Pahl