Single-level step-down LED driving circuit of leakage energy feedback
A technology of LED drive and energy feedback, applied in the direction of lamp circuit layout, electric light source, electrical components, etc., can solve problems such as electromagnetic interference, increased loss, overvoltage breakdown of switching devices, etc., to reduce voltage stress, improve conversion efficiency, The effect of reducing complexity
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0022] like figure 1 As shown, this embodiment provides a single-stage step-down LED drive circuit for leakage inductance energy feedback, including an input single-phase AC voltage source V in , LED lamp load, the input AC voltage source V in The L terminal is connected to a first power diode D 1 The anode of and a third power diode D 3 cathode of the input AC voltage source V in The N-terminal is connected to a fourth power diode D 4 The cathode and a second power diode D 2 the anode of the first power diode D 1 The cathode of the second power diode D is connected 2 The cathode, a fifth power diode D 5 The cathode, an inductor L Buck One end; the fourth power diode D 4 The anode of the third power diode D is connected 3 The anode of a sixth power diode D 6 anode of a second power MOS transistor Q 2 source; the second power MOS tube Q 2 T...
PUM

Abstract
Description
Claims
Application Information

- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com