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首页> 外文会议>12th Brazilian Power Electronics Conference >Small-signal modeling and control of an integrated bridgeless boost — Half-bridge converter for LED driving
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Small-signal modeling and control of an integrated bridgeless boost — Half-bridge converter for LED driving

机译：集成的无桥升压的小信号建模和控制—用于LED驱动的半桥转换器

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摘要

This paper presents the small-signal modeling of a novel LED driver topology. The converter comprises the integration between a bridgeless boost power factor correction (PFC) stage and a half-bridge series resonant converter. The goals of the proposed converter are reduction in the filtering capacitances due to the presence of two conversion semistages and increased conversion efficiency (low conduction losses in the PFC and low switching losses due to soft-switching) to compensate for the power reprocessing by each semistage. The modeling methodology presented in this paper is intended for the design of current controllers in closed-loop operation of the integrated LED driver.
机译：本文介绍了一种新型LED驱动器拓扑的小信号建模。该转换器包括无桥升压功率因数校正（PFC）级和半桥串联谐振转换器之间的集成。提出的转换器的目标是由于存在两个转换半级而减少了滤波电容，并提高了转换效率（PFC中的传导损耗低，并且由于软开关而导致的开关损耗也较低），以补偿每个半级的功率后处理。本文介绍的建模方法旨在用于集成LED驱动器闭环操作中的电流控制器设计。

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