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A Multi-Output Hybrid Divided Power Converter for LED Lighting Applications

Authors: Tim McRae; Aleksandar Prodic; Sombuddha Chakraborty; William McIntyre; Alvaro Aguilar;

A Multi-Output Hybrid Divided Power Converter for LED Lighting Applications

Abstract

This paper introduces a novel single inductor multi-output LED driver. The converter is able to significantly reduce the area of passive components while maintaining high power processing efficiency by dividing power between a switched capacitor (SC) and a buck-boost converter and taking the output differentially from the two outputs. The volume of the SC converter is reduced by operating the buck-boost converter in DCM and increasing the number of SC switching states from two to three. An experimental setup verifies the effectiveness of the design and indicates an efficiency improvement of 2.5% while reducing passive component area by 63% and increasing the operating range compared to conventional commercial products.

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Powered by OpenAIRE graph
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Average
Top 10%
Top 10%
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