Design and Implementation of 150 W AC/DC LED Driver with Unity Power Factor, Low THD, and Dimming Capability

This paper presents the implementation of a two-stage light-emitting diode (LED) driver based on commercial integrated circuits (IC). The presented LED driver circuit topology, which is designed to drive a 150 W LED module, consists of two stages: AC-DC power factor correction (PFC) stage and DC/DC...

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Veröffentlicht in:Electronics (Basel) 2020-01, Vol.9 (1), p.52
Hauptverfasser: Tung, Ngo Thanh, Tuyen, Nguyen Dinh, Huy, Nguyen Minh, Phong, Nguyen Hoai, Cuong, Ngo Cao, Phuong, Le Minh
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container_issue 1
container_start_page 52
container_title Electronics (Basel)
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creator Tung, Ngo Thanh
Tuyen, Nguyen Dinh
Huy, Nguyen Minh
Phong, Nguyen Hoai
Cuong, Ngo Cao
Phuong, Le Minh
description This paper presents the implementation of a two-stage light-emitting diode (LED) driver based on commercial integrated circuits (IC). The presented LED driver circuit topology, which is designed to drive a 150 W LED module, consists of two stages: AC-DC power factor correction (PFC) stage and DC/DC power converter stage. The implementation of the PFC stage uses IC NCP1608, which uses the critical conduction mode to guarantee a unity input power factor with a wide range of input voltages. The DC/DC power converter with soft-switching characteristics for the entire load range uses IC FLS2100XS. Furthermore, the design of an electromagnetic interference (EMI) filter for the LED driver and the dimming control circuit are discussed in detail. The hardware prototype, an LED lighting system, with a rated power of 150 W/32 V from a nominal 220 V/50 Hz AC voltage supply was tested to show the effectiveness of the design. The presented LED driver was tested for street lighting, and the experimental results show that the power factor (PF) was higher than 0.97, the total harmonics distortion (THD) was lower than 7%, and the efficiency was 91.7% at full load. The results prove that the performance of the presented LED driver complies with the standards: IEC61000-3-2 and CIRSP 15:2009.
doi_str_mv 10.3390/electronics9010052
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The presented LED driver was tested for street lighting, and the experimental results show that the power factor (PF) was higher than 0.97, the total harmonics distortion (THD) was lower than 7%, and the efficiency was 91.7% at full load. The results prove that the performance of the presented LED driver complies with the standards: IEC61000-3-2 and CIRSP 15:2009.</description><identifier>ISSN: 2079-9292</identifier><identifier>EISSN: 2079-9292</identifier><identifier>DOI: 10.3390/electronics9010052</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Bridges ; Circuit design ; Dimming ; Driver circuits ; Efficiency ; Electric converters ; Electromagnetic interference ; Full load ; Integrated circuits ; Light emitting diodes ; Lighting ; Power converters ; Power factor ; Power supply ; Topology</subject><ispartof>Electronics (Basel), 2020-01, Vol.9 (1), p.52</ispartof><rights>2019 by the authors. Licensee MDPI, Basel, Switzerland. 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subjects Bridges
Circuit design
Dimming
Driver circuits
Efficiency
Electric converters
Electromagnetic interference
Full load
Integrated circuits
Light emitting diodes
Lighting
Power converters
Power factor
Power supply
Topology
title Design and Implementation of 150 W AC/DC LED Driver with Unity Power Factor, Low THD, and Dimming Capability
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