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peak current mode control

김남제
Associate

im trying to implement peak current mode contorl using stm32G474 

i have a question about PCMC. in PCMC, if the sensed voltage from Current trasnformer does not reach to target value, does the switch remain  continuously on, or does it turn off according to the original switching frequency?

 

if neither is the case, does it turn off for a very short moment that matches the switching frequency and then turn on again to chasing target voltage? (==> duty ratio nearly 0.99)

 

thank you for infomation

1 REPLY 1
Dor_RH
ST Employee

Hello @김남제,

I recommend checking out this post: DAC Sawtooth waveform generation for peak current mode boost converter

I hope my answer has helped you. When your question is answered, please select this topic as the solution that answered you, as it will help others find that answer faster.

Thanks for your contribution.

Dor_RH