Modeling and control of a flyback converter to drive a dimmable LED array

Falcón, Alfredo; Lindstrom, Esteban O.; D’Amico, María Belén

doi:10.1109/argencon.2016.7585276

2016 IEEE Biennial Congress of Argentina (ARGENCON) 2016

DOI: 10.1109/argencon.2016.7585276

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Modeling and control of a flyback converter to drive a dimmable LED array

Alfredo Falcón

Esteban O. Lindstrom

María Belén D’Amico

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Cited by 2 publications

References 10 publications

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Design of a LED driver with a flyback topology for intelligent lighting systems with high power and efficiency

Kornaga¹,

Pekur²,

Kolomzarov³

et al. 2023

SPQEO

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Considered in this paper are the parameters and characteristics of the developed highly efficient electronic control systems for powerful LED modules (drivers), built on the basis of a single-stage flyback converter with a nominal power close to 200 W. The results of experimental tests show that, at the nominal load, the minimum efficiency of the developed driver reaches 88.2% with the power factor above 0.97 and the coefficient of total harmonic current distortion close to 23.4%. With the maximum value of the efficiency factor of the developed system 90.3% and the supply voltage 240 V, the power factor is higher than 0.99, and the total harmonic current distortion is 3.6%. The values of current harmonics of the driver do not exceed the maximum allowable values defined by the current standards. Used driver construction topology enabled to reduce the cost of the final product due to the unification of the component base, which increases the availability and manufacturability of the design. The use of a modern element base made it possible to ensure the deviation of the output current from the set one by no more than 1% over the whole range of the operating voltage of the supply (180…250 V), which allows using the developed driver in intelligent lighting systems and lighting systems with a combined power supply.

show abstract

Design of a LED driver with a flyback topology for intelligent lighting systems with high power and efficiency

Kornaga¹,

Pekur²,

Kolomzarov³

et al. 2023

SPQEO

View full text Add to dashboard Cite

show abstract

Comparison of Dc-Dc SEPIC, CUK and Flyback Converters Based LED Drivers

Şehirli

2020

L&E

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This paper presents the comparison of LED driver topologies that include SEPIC, CUK and FLYBACK DC-DC converters. Both topologies are designed for 8W power and operated in discontinuous conduction mode (DCM) with 88 kHz switching frequency. Furthermore, inductors of SEPIC and CUK converters are wounded as coupled. Applications are realized by using SG3524 integrated circuit for open loop and PIC16F877 microcontroller for closed loop. Besides, ACS712 current sensor used to limit maximum LED current for closed loop applications. Finally, SEPIC, CUK and FLYBACK DC-DC LED drivers are compared with respect to LED current, LED voltage, input voltage and current. Also, advantages and disadvantages of all topologies are concluded.

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Modeling and control of a flyback converter to drive a dimmable LED array

Cited by 2 publications

References 10 publications

Design of a LED driver with a flyback topology for intelligent lighting systems with high power and efficiency

Design of a LED driver with a flyback topology for intelligent lighting systems with high power and efficiency

Comparison of Dc-Dc SEPIC, CUK and Flyback Converters Based LED Drivers

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