Normally to use PWM to drive a peltier, you need an inductor in series with the peltier to smooth out the pwm to provide a constant current .
The inductor needs to have a saturation current higher than the maximum current the peltier will draw.
Normally to use PWM to drive a peltier, you need an inductor in series with the peltier to smooth out the pwm to provide a constant current .
The inductor needs to have a saturation current higher than the maximum current the peltier will draw.