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TPS56C215: TPS56C215 FB pin connen

Chieh Hao Chung
Prodigy 125 points
Part Number: TPS56C215
Other Parts Discussed in Thread: TPS53353

HI team,

We propose customer to change to TPS56C215, we have a questions about the FB pin. Customer's circuit like the pic below. 

The FB pin of tps53353 in original design is connected to the intel (XL710) ext_svr_sense_N/P pin. if they change to TPS56C215, can the FB pin in tps56C215 also be connected to Intel (XL710) ext_svr_sense_N/P pin? thanks.

Best Regards,

Jay

  • 0
    TI__Mastermind 19080 points

    Hi Jay,

    FB pin internal connection is just similar between the two devices. From this perspective, it should be OK.

    BTW, I'm quite interested in the application you mentioned. Is the something used to change the feedback resistor network to change the output voltage dynamically? Or something like analog network to sense the Vout? Thanks!

    Regards,

    Hao