High-efficient electrolytic-capacitor-less offline LED driver with reduced power processing

GZ Abdelmessih, JM Alonso, NS Spode… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
In this article, an integrated parallel buck–boost and boost converter (IPB 3 C) is proposed
as an electrolytic-capacitor-less light-emitting diode (LED) driver. The IPB 3 C provides a …

Fully integrated buck and boost converter as a high efficiency, high-power-density off-line LED driver

GZ Abdelmessih, JM Alonso… - … on power electronics, 2020 - ieeexplore.ieee.org
In this article, a high-power-density off-line light-emitting diode (LED) driver is proposed. The
proposed ac-dc driver is the novel integrated buck and boost converter (IBBC). Besides the …

A Single-Stage Electrolytic-Capacitor-Free AC-DC LED Driver With High Power Factor and Soft Switching Characteristics

HL Cheng, YN Chang, LC Hwang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This article proposes a single-stage ac/dc converter for driving high-power light-emitting
diodes. The circuit topology mainly includes two modified Ćuk converters that are …

Full-range LED dimming driver with ultrahigh frequency PWM shunt dimming control

Y Wang, X Wu, Y Hou, P Cheng, Y Liang, L Li - IEEE Access, 2020 - ieeexplore.ieee.org
This paper explores an ultrahigh dimming frequency Light-Emitting Diode (LED) pulse width
modulation (PWM) shunt dimming driver that achieves the full-range dimming. Firstly, the …

Electrolytic-capacitor-less off-line LED driver based on integrated parallel buck-boost and boost converter

GZ Abdelmessih, JM Alonso, NS Spode… - 2020 IEEE Industry …, 2020 - ieeexplore.ieee.org
In this paper, an integrated parallel buck-boost and boost converter (IPB 3 C) is proposed as
an electrolytic-capacitorless light-emitting diode (LED) driver. The IPB 3 C offers high power …

Power management of lighting loads combined with green building integrated photovoltaics as a solution for developing more sustainable and smarter cities

MJ Kalani, M Kalani - Optik, 2024 - Elsevier
This study provides a strategy for managing lighting loads in conjunction with building-
integrated photovoltaics (BIPVs) to control power and energy consumption in green …

Controlling the correlated color temperature of high CRI light-emitting diodes in response to the time of day as a way of enhancing the well-being of smart city …

MJ Kalani, M Kalani - Optik, 2022 - Elsevier
In order to meet people's biological and emotional requirements, this study provides a novel
approach for controlling the correlated color temperature (CCT) of light-emitting diodes …

[HTML][HTML] Interleaved Modified SEPIC Converters with Soft Switching and High Power Factor for LED Lighting Appliance

HL Cheng, CA Cheng, CH Chang, EC Chang… - Applied Sciences, 2024 - mdpi.com
A novel ac/dc LED driver with power factor correction and soft-switching functions is
proposed. The circuit topology mainly consists of two modified single-ended primary …

High-efficiency flicker-free LED driver with soft-switching feature

HL Cheng, LC Hwang, HH Chang, QY Wang… - Micromachines, 2022 - mdpi.com
A novel interleaved DC-DC buck converter is proposed to drive high-brightness light-
emitting diodes (LEDs). The circuit configuration mainly consists of two buck converters …

High-efficient high-power-factor off-line LED driver based on integrated buck and boost converter

GZ Abdelmessih, JM Alonso, WT Tsai… - 2019 IEEE Industry …, 2019 - ieeexplore.ieee.org
In this paper, an integrated buck and boost converter (IBBC) is proposed as a high power
factor (PF), low total harmonic distortion (THD) light-emitting diode (LED) driver. The IBBC is …