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TPSM82823A: Generate on pspice for ti a bode plot with phase and gain of a TPSM82823SIL, by adding noise on one of the feedback resistor.

Maxime BOEHM
Prodigy 20 points
Part Number: TPSM82823A
Other Parts Discussed in Thread: TPSM82823

Hello,

I want to generate on pspice for ti  a bode plot with phase and gain of a TPSM82823SIL, by adding noise on one of the feedback resistor (encircled in red).

This is my design :

Best regards

  • 0
    TI__Genius 14990 points

    Hi Maxime,

    You wouldn't be able to run a Bode plot simulation on this transient model as the SPICE simulator would be unable to find a bias point for running a Bode sim.

    Bode sims can be run on average models as the SPICE simulator can easily find the required bias points. The TPSM82823 doesn't have an average SPICE model. However you can run a Bode measurement on the TPSM82823 EVM. Please refer to this article on how to measure Bode plots for DCS control devices https://www.ti.com/lit/an/slva465a/slva465a.pdf

    Best regards,

    Varun