A cost‐effective PWM dimming method for LED lighting applications | Zendy

Chiu HuangJen | Zendy; Lo YuKang | Zendy; Lin YuLiang | Zendy; Jane GwanChi | Zendy

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A cost‐effective PWM dimming method for LED lighting applications

Author(s) -

Chiu HuangJen,

Lo YuKang,

Lin YuLiang,

Jane GwanChi

Publication year - 2015

Publication title -

international journal of circuit theory and applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.364

H-Index - 52

eISSN - 1097-007X

pISSN - 0098-9886

DOI - 10.1002/cta.1940

Subject(s) - pulse width modulation , electronic engineering , computer science , power (physics) , led lamp , power factor , light emitting diode , modulation (music) , flyback transformer , engineering , voltage , electrical engineering , physics , quantum mechanics , acoustics , transformer

This paper presents a novel cost‐effective pulse‐width‐modulation (PWM) dimming method for light‐emitting diode (LED) lighting applications. High efficiency, high power factor, circuit simplicity, and low cost can be achieved by a Flyback power factor correction converter with the studied adaptive PWM dimming method. The operation principles and design considerations of the proposed LED dimming method are analyzed and discussed. A 45 W laboratory prototype has been built and tested to verify the feasibility of the proposed scheme. Copyright © 2013 John Wiley & Sons, Ltd.

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