Patent · US Active

Triac dimmer compatible switching mode power supply and method thereof

US8581518B2 · kind B2 · utility

61Cited by

3References

19Claims

0Family size

Assignee

Monolithic Power Systems, Inc. · US

Inventors

Naixing Kuang · Hangzhou City, CN
Lei Du · Beijing, CN
Junming Zhang · Berlin, DE
Yuancheng Ren · Hangzhou City, CN

Key dates

Filing date	May 18, 2011
Grant date	Nov 12, 2013
Priority date	—
Expiry date	Mar 27, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH05B45/39
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Triac dimmer compatible switching mode power supplies used as LED drivers are disclosed herein. A PFC controller is configured in the switching mode power supplies. With the PFC controller, the current keeping the triac in the on-state is supplied by the DC/DC converter, and the LC resonance is reduced.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.