UC2854B: I have changed every parameter to improve PF ar 220V which was 0.93 with a 1KW load， It seemed every parameter ha no effect. Whenever I added load, only the peak wave was not ok.

Raven

Part Number: UC2854B

I changed the Vloop paramer, Iloop parameter,Vrms parameter, Iac parameter, Frequency parameter, Isense parameter, But PF was still the same when I added to half load which was 0.95

over 5 years ago

0 John Griffin1 over 5 years ago

TI__Mastermind 34465 points

Hello Raven,

I am closing this post since it is a repeat of the post below:

Your issues will be addressed in the above referenced post.

Regards

John

Power management

Power management forum

UC2854B: I have changed every parameter to improve PF ar 220V which was 0.93 with a 1KW load， It seemed every parameter ha no effect. Whenever I added load, only the peak wave was not ok.