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TPS54140A: Can't simulate at 2MHz

Snir Kinog
Prodigy 30 points
Part Number: TPS54140A

Hello,

I'm having trouble reaching my desired simulation frequency on Webench.

I am trying to buck 16V to 6V @1A, however the switching frequency is capped at 1.321 MHz..

What could be limiting that switching frequency and how can I increase it?

Thanks,

Snir

  • 0
    TI__Mastermind 19130 points

    Hi Snir,

    Thanks for bringing awareness to this issue. I believe this is due to an issue with the data provided to the Webench team, but I will check on that. Can you check a simulation with the TINA/PSPICE model and see if you have any issues there?

    Regards,

    Richard