Invention Grant
- Patent Title: Switching mode power supply with zero voltage switching, the primary control circuit and the method thereof
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Application No.: US17237784Application Date: 2021-04-22
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Publication No.: US11621627B2Publication Date: 2023-04-04
- Inventor: Lichen Rui
- Applicant: Lichen Rui
- Applicant Address: CN Hangzhou
- Assignee: Lichen Rui
- Current Assignee: Lichen Rui
- Current Assignee Address: CN Hangzhou
- Agency: Nixon Peabody LLP
- Main IPC: H02M1/08
- IPC: H02M1/08 ; H02M1/00 ; H02M3/335
Abstract:
A switching mode power supply with zero voltage switching is discussed. It adopts a primary control circuit to turn on a primary switch circuit when a current flowing through the primary switch circuit reaches an inverse current threshold or when a variation rate of a voltage signal indicative of a voltage across the primary switch circuit reaches a rate threshold.
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