A 91.15% Efficient 2.3–5-V Input 10–35-V Output Hybrid Boost Converter for LED-Driver Applications

Nilanjan Pal,Adam Fish,William McIntyre,Nathanael Griesert,Greg Winter,Travis Eichhorn,Robert Pilawa-Podgurski,Pavan Kumar Hanumolu

IEEE Journal of Solid-State Circuits（2021）

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摘要

This article presents a hybrid boost converter architecture for improving the efficiency of light-emitting diode (LED) drivers used in mobile applications. By cascading a low-switching frequency time-interleaved series–parallel switched-capacitor (SC)-stage with an inductive-boost converter, we facilitate lower voltage-rated switches, thus significantly reducing the switching losses. Charge-sharin...

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关键词

Inductors,Switches,Light emitting diodes,Switching loss,Logic gates,Mathematical model,Switching frequency

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