Peltier PWM Filtering problem

Discussion in 'Anything' started by ozlow, Jun 19, 2017 at 1:12 PM.

  1. ozlow

    ozlow Guest

    Hi everyone!

    I need to control a Peltier module (TEC1-12709) in heating and cooling mode. Browsing similar topic i decided to control the Peltier with a LC filtered 50kHz PWM signal with an H bridge configuration. I simulated the prototype in LTSpice (the project is attached).

    - The H bridge will be modified into a 4-NMOS configuration with proper gate driver, the one in the schematics is just for simulation...

    Peltier PWM Filtering problem
     

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