Bridgeless PFC circuit for CRM and controlling method thereof

Details Bridgeless PFC circuit for CRM and controlling method thereof Bridgeless PFC circuit for CRM and controlling method thereof

2009-03-11

2009-12-08

Riley, Shawn (Department: 2838)

Electric power conversion systems

Current conversion

Having plural converters for single conversion

C323S207000

Reexamination Certificate

active

07630221

ABSTRACT:
The configurations of a bridgeless PFC circuit system and a controlling method thereof are provided. The proposed system includes a bridgeless PFC circuit having a first and a second input terminals, a first switch having a first terminal, a first inductor having a first terminal coupled to the first input terminal and a second terminal coupled to the first terminal of the first switch, and a second inductor having a first terminal coupled to the second input terminal, a first auxiliary winding coupled to the first inductor and generating a first sensing signal, and a second auxiliary winding coupled to the second inductor and generating a second sensing signal, wherein the first and the second sensing signals are used to generate an inductor current sensing signal controlling the switching of the first switch accordingly.

REFERENCES:
patent: 7116087 (2006-10-01), Zhang et al.
patent: 7183754 (2007-02-01), Tsuruya
patent: 7276884 (2007-10-01), Tsuruya
patent: 7279868 (2007-10-01), Lanni

Affiliated with

Also associated with

Rating

Bridgeless PFC circuit for CRM and controlling method thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bridgeless PFC circuit for CRM and controlling method thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bridgeless PFC circuit for CRM and controlling method thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4126719