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TPS54622: need clarification regarding Vsense pin connection

Vilas Kumar
Prodigy 170 points
Part Number: TPS54622

Hi Team,

In my design i am using the TI device with above mentioned part number, 

As i mentioned in subject need some suggestion that how we can connect the VSENSE pin. We have doubt that, whether Vsense need to connect for the the output of the inductor or to the input of the load device. 

Kindly advice,

Thanks,

Vilas Kumar S

  • 0
    TI__Genius 14455 points

    Hi Vilas,

       We recommend connecting VSENSE to the output of the inductor (where you would have your output capacitance). This is  because with remote-sense the Capacitance and Inductance between the inductor’s output and the remote sensed load adds additional phase shift to the loop and if not compensated properly can cause instability in the converter. We recommend placing the converter close to the load - to avoid drops from the inducttor output to the actual load.

    regards,

    Gerold