Search Results - "Duarte, Renan R."

Energy-Aware Design of a GaN-Based Dual-Purpose Converter for Standalone Lighting Systems by Duarte, Renan R., Spode, Nelson S., Teixeira, Lucas, Menke, Maikel F., Alonso, J. Marcos, Dalla Costa, Marco A.

“…Energy efficiency plays a crucial role in the development of solar-powered standalone lighting systems, as it directly impacts both the system's autonomy and…”
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On the Use of the Intrinsic Ripple of a Buck Converter for Visible Light Communication in LED Drivers by Loose, Felipe, Teixeira, Lucas, Duarte, Renan R., Dalla Costa, Marco A., Barriquello, Carlos H.

“…In this paper, we present the analysis of a novel technique to implement visible light communication (VLC) into light emitting diode (LED) drivers with minimum…”
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Reducing Low-Frequency Ripple Using Alternative Output Capacitor Connection on Integrated Converters for LED Drivers by Spode, Nelson, Costa, Marco A. Dalla, Abdelmessih, Guirguis Z., Alonso, J. Marcos, Duarte, Renan R.

“…In this paper, an alternative connection for the output capacitor on a buck-boost power control (PC) stage integrated with a buck-boost power factor correction…”
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Single-Stage Standalone Lighting System Based on GaN Transistors by Duarte, Renan R., Campos, Abner, Dalla Costa, Marco A., Bender, Vitor C., Alonso, J. Marcos

“…System efficiency is key to the development of standalone lighting systems as their overall cost is tied to the battery pack size and photovoltaic (PV) panel…”
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Analysis of Low Frequency Ripple Transmission in LED Drivers by de Melo, Maicol F., Brand, Jean S., Duarte, Renan R., Costa, Marco A. Dalla, Alonso, J. Marcos, Wang, Yijie

“…This paper presents an analysis of LED drivers applied to reduce low frequency current ripple in LED loads. This current ripple is the result of the pulsing…”
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Power losses estimation in a GaN-based synchronous Buck LED driver by Grassi, Giulia K., Barboza, Igor B., Dalla Costa, Marco A., Duarte, Renan R.

“…This paper presents the theoretical and experimental power losses analysis of a Gallium Nitride (GaN)-based Synchronous Buck converter, which employs two…”
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Improved methodology for predicting correlated color temperature in mixed LED lighting sources by Bolzan, Thais E., Almeida, Bruno F., Duarte, Renan R., Bender, Vitor C., Pinto, Rafael A.

“…This paper proposes an improved methodology for predicting the correlated color temperature (CCT) of a system comprised of one or more LEDs by using just data…”
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Reducing Low-Frequency Ripple Using Alternative Output Capacitor Connection on Integrated Converters for LED Drivers by Spode, Nelson, Dalla Costa, Marco A., Abdelmessih, Guirguis Z., Alonso, J. Marcos, Duarte, Renan Rodrigo

“…Although advantageous in several aspects, the integration of converters leads to a loss of independence between the converter's stages, since both stages are…”
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Metodologia para Estimativa de Perdas em um Conversor Buck Síncrono com Semicondutores de Nitreto de Gálio by Barboza, Igor B., Grassi, Giulia K., Duarte, Renan R., Menke, Maikel F., Costa, Marco A. Dalla

“…Neste artigo, uma nova proposta de metodologia para estimativa de perdas em conversores que empregam transistores GaN do tipo Intensificação (eGaN) é…”
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Study on the Application of Gallium Nitride Transistors in Power Electronics by Renan R. Duarte, Guilherme F. Ferreira, Marco A. Dalla Costa, Carlos H. Barriquello, J. Marcos Alonso

“…Wide bandgap semiconductors have emerged as an attractive option for silicon (Si) replacement in the recent years. Among the new materials, gallium nitride…”
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Sistema de Iluminação Autônomo de Estágio Único Baseado em Transistores GaN by Renan R. Duarte, Abner Campos, Marco A. Dalla Costa, Vitor C. Bender, J. Marcos Alonso

“…Eficiência é um fator chave para o desenvolvimento de sistemas de iluminação autônomos. Devido à separação temporal entre geração e consumo de energia em…”
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Off-Grid Commercial LED Driver Optimization using GaN Transistors by Duarte, Renan R., Pereira, Guilherme G., Dalla Costal, Marco A., Barriquello, Carlos H., Alonso, J. Marcos

“…In the past few years, wide-bandgap (WBG) semiconductors based on gallium nitride (GaN) have appeared as a solution to enable the evolution of power…”
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Performance comparison of Si and GaN transistors in a family of synchronous buck converters for LED lighting applications by Duarte, Renan R., Ferreira, Guilherme F., Dalla Costa, Marco A., Alonso, J. Marcos

“…Wide bandgap (WBG) semiconductors have emerged as an attractive option for silicon (Si) replacement in the recent years. Among the new materials, gallium…”
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Performance investigation of silicon and gallium nitride transistors in an integrated double buck-boost LED driver by Duarte, Renan R., Ferreira, Guilherme F., Dalla Costa, Marco A., Alonso, J. Marcos

“…Since their introduction in the early 2000s, gallium nitride transistors have emerged as a replacement for the traditional Si-based MOSFETs in power…”
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Indirect control of luminous flux and chromatic shift methodology applied to RGB LEDs by Cordeiro, Rodrigo G., Cardoso, Alexandre S., Duarte, Renan R., Soares, Dieter G., Pereira, Guilherme G., Vizzotto, William D., Bender, Vitor C., Marchesan, Tiago B.

“…This paper presents a method of control for RGB LED systems, modelling and equating of a system of LEDs are shown in details in order to obtain constant output…”
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