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<p>In recent years, the demand for LED lighting utilizing power electronic converters has increased markedly. In lighting applications, it is essential to engineer power converters capable of efficiently managing both single and multiple loads. LEDs have greater sensitivity to variations in input voltage, current, and conversion parameters compared to other illumination sources. This article presents a comparative examination of different isolated power converter topologies for LED applications, emphasizing critical characteristics such as power density, load-handling capacity, volume, and reliability. The comparison also evaluates power rating, number of switches, switching frequency, and efficiency, providing an impartial and fair assessment. Furthermore, we examine diverse dimming control methodologies that produce varying light intensities. This study dissects and analyzes the key properties of LED drivers to assist researchers in selecting the most appropriate converter for various lighting applications. This research will be especially pertinent to scholars engaged in the advancement of LED drivers.</p>

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Isolated Power DC-DC and AC-DC Converter Topologies for Light-Emitting Diode Applications: A Systematic Review

  • 期刊论文

  • 发表日期：

    2025年2月14日

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  • Pradeep Vishnuram,
  • A. Dominic Savio,
  • Mohit Bajaj,
  • Ijaz Ahmed,
  • Muhammad Khalid

摘要

In recent years, the demand for LED lighting utilizing power electronic converters has increased markedly. In lighting applications, it is essential to engineer power converters capable of efficiently managing both single and multiple loads. LEDs have greater sensitivity to variations in input voltage, current, and conversion parameters compared to other illumination sources. This article presents a comparative examination of different isolated power converter topologies for LED applications, emphasizing critical characteristics such as power density, load-handling capacity, volume, and reliability. The comparison also evaluates power rating, number of switches, switching frequency, and efficiency, providing an impartial and fair assessment. Furthermore, we examine diverse dimming control methodologies that produce varying light intensities. This study dissects and analyzes the key properties of LED drivers to assist researchers in selecting the most appropriate converter for various lighting applications. This research will be especially pertinent to scholars engaged in the advancement of LED drivers.