PID controlled SEPIC - comparator

308

03:02:50

Sepic -> sallen key lp -> PID -> pwm feedback

This circuit use PID to control the duty cycle of a SEPIC.

A fraction of the output is buffered, then uses a Sallen Key filter, then a PID controller, which is used to drive the control pin of a 555 which is running in monostable mode. The 555's output is applied to the gate of the MOSFET.

This version uses a comparator to generate the PWM rather than a 555.

published 1 year ago

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