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TPS25740EVM-741: Asking about Vin of LM5175 IC in USB Type C moduel

NGUYEN NHAT LINH
Prodigy 90 points

Part Number: TPS25740EVM-741

Dear TI's experts,

I have a question about LM5175 IC.

I want to devenlope a module USB type C PD can change Vout value as model TPS25740EVM-741.

But Power supply from my SMPS only 5V-3A, I do not know that if I supply 5V to Vin of LM5175 IC for module TPS25740EVM-741.

Is it ok? Which item I have to change to respond this require?

Hope to recieve your help!

Thank you very much!

  • 0
    TI__Mastermind 27505 points
    Hello Nguyen,

    I'm a little confused on your question. Are you asking that if you supply 5V at 3A to the LM5175, will it operate similar to the TPS25740EVM?
  • 0 in reply to Adam Mc Gaffin
    Prodigy 90 points

    Dear Mr. Adam,

    Yes, it is.

    This is my mean.

    Can you support me.

    Thank you very much.

  • 0 in reply to NGUYEN NHAT LINH
    TI__Mastermind 27505 points

    Hi Nguyen,

    Looking through the datasheet, I do not think this part will work for a Type-C PD application. Yes, it will be able convert a 5V input into a 20V output. It will not be able to source the necessary current (5A) amount that is needed for PD applications. However, I could be wrong on this so I would close this thread, and ask the team that is responsible for the LM5175. I am an expert on the TPS25740B, but not this buck-boost.

    In your title, I would post something along the lines of "LM5175: 5V to 20V with 5A load". This will assign it to the experts for that specific part, and they could give you a definite answer.

    Let me know if this helped answer your question or not! If so, please click This resolved my issue