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DP83848I: DP83848 issue analysis process and Schematic review

Gordon Xu
Prodigy 440 points
Part Number: DP83848I

Dear experts,

1.My customer met a issue when they test DP83848, the find a issue which the DP83822 burn out. So, how to analyze it to get rid of the issue. Maybe you could tell me the debug process.

2.Meanwhile, I have attached the dp83848 schematic, please help review it. Appreciate all your help!

BR,

Gordon

  • 0
    TI__Mastermind 19190 points

    Hi Gordon,

    DP83848 and DP83822 are not compatible with each other in terms of 10Base-T vs 10Base-Te support and Auto-negotiation.

    If the intended speed is 100M, then we can make them work by disabling auto-negotiation.

    Please let me know the speed you are looking for and I can comment on what we can do.

    --
    Regards,
    Gokul.