Many digital PWM controllers are based on Voltage Mode Control (VCM). In other worlds, the output of the algorithm is a duty cycle in terms of a clock count. No DAC or comparators are needed.
For Peak Current Mode digital controller, the output of the algorithm should be an analog reference voltage for the internal fast comparator to compare with the external peak switching current to terminate the switching cycle. Does TI have this type of digital controller?
Thank you very much.
Sam Guo
