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Original question:

WEBENCH® Tools/LM5002: boost power supply

WEBENCH® Tools/LM5002: LM5002

mario soccini
Intellectual 730 points
Part Number: LM5002
Other Parts Discussed in Thread: PMP20183, TPS55340

Tool/software: WEBENCH® Design Tools

Hi.

I have already written about it...

I would like to have a boost power supply with input 3.7 lithium battery  (minimimum 3.2V maximum 4.2V) and output 75V  75mA.

is it any component ok for this ?

Can i do it with webench ?

Thanks

Mario

  • 0
    TI__Guru 62995 points

    Hello Mario,

    We do not have an IC that supports this input and output voltage range directly. I think the best solution is to use a converter to generate a lower voltage and then increase the voltage with charge pumps, similar to PMP20183.

    Please give me some time to check for the best converter.

  • 0
    TI__Mastermind 46905 points

    Hi Mario,

    I would suggest the converter TPS55340 with a flyback typology. you can find some TPS55340 flyback circuit from the device folder. but the transformer need to redesign.