PIC16F18326 Secondary-Side Controller

The PIC16F18326 performs the secondary-side control functions for this board. The firmware reads analog feedback signals, calculates the control error, updates the switching command, and configures the NCO output used to control the flyback power stage.

The firmware performs the following functions:

ADC feedback acquisition
Output voltage regulation
Operating-range selection
NCO switching command generation
Overvoltage protection
Restart control after fault recovery

DS20007189A

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