Quasi-resonant LED driver with capacitive isolation

A. Abramovitz; I. Reichman; D. Shmilovitz

doi:10.1049/el.2014.2645

Quasi-resonant LED driver with capacitive isolation

A. Abramovitz^*, I. Reichman, D. Shmilovitz

^*Corresponding author for this work

School of Electrical Engineering

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

A low part count, efficient quasi-resonant light-emitting diode driver is proposed. The proposed driver relies on a capacitive safety isolation barrier, which eliminates the need for a bulky isolation transformer; thus, the footprint area can be reduced. Operation frequencies of 100-350 kHz further contribute to miniaturisation of the proposed driver. The feasibility of the proposed topology is verified by simulation and experimental results.

Original language	English
Pages (from-to)	274-276
Number of pages	3
Journal	Electronics Letters
Volume	51
Issue number	3
DOIs	https://doi.org/10.1049/el.2014.2645
State	Published - 5 Feb 2015

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10.1049/el.2014.2645

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title = "Quasi-resonant LED driver with capacitive isolation",

abstract = "A low part count, efficient quasi-resonant light-emitting diode driver is proposed. The proposed driver relies on a capacitive safety isolation barrier, which eliminates the need for a bulky isolation transformer; thus, the footprint area can be reduced. Operation frequencies of 100-350 kHz further contribute to miniaturisation of the proposed driver. The feasibility of the proposed topology is verified by simulation and experimental results.",

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N2 - A low part count, efficient quasi-resonant light-emitting diode driver is proposed. The proposed driver relies on a capacitive safety isolation barrier, which eliminates the need for a bulky isolation transformer; thus, the footprint area can be reduced. Operation frequencies of 100-350 kHz further contribute to miniaturisation of the proposed driver. The feasibility of the proposed topology is verified by simulation and experimental results.

AB - A low part count, efficient quasi-resonant light-emitting diode driver is proposed. The proposed driver relies on a capacitive safety isolation barrier, which eliminates the need for a bulky isolation transformer; thus, the footprint area can be reduced. Operation frequencies of 100-350 kHz further contribute to miniaturisation of the proposed driver. The feasibility of the proposed topology is verified by simulation and experimental results.

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Quasi-resonant LED driver with capacitive isolation

Abstract

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