多开关DC-DC变换器电源开关尺寸优化策略

2021 28th IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2021-11-28 DOI:10.1109/icecs53924.2021.9665603

Samuele Fusetto, Elisabetta Moisello, F. Cannillo, P. Malcovati, E. Bonizzoni

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引用次数: 0

摘要

本文提出了一种优化DC-DC变换器功率开关尺寸的策略，以实现功率效率的最大化。所提出的策略特别适合于近年来日益普及的多交换机拓扑结构。以3电平反相降压升压变换器为例，详细研究了输入电压、输出电压和负载电流的各种组合，验证了所提优化策略的有效性。通过将计算得到的效率值与Cadence Virtuoso仿真得到的效率值进行比较，验证了该模型的有效性。推导出的计算效率与模拟效率之间的回归指数在大多数情况下超过0.99，因此所提出的模型和优化策略与仿真结果吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Power Switch Size Optimization Strategy for Multi-Switch DC-DC Converters

This paper presents a strategy for optimizing power switch sizes in DC-DC converters, in order to maximize the power efficiency. The proposed strategy is particularly well suited for multi-switch topologies, which have become increasingly widespread in recent years. The effectiveness of the proposed optimization strategy is demonstrated for the case of a 3-level inverting buck-boost converter, which has been studied in detail considering various combinations of input voltage, output voltage and load current. The goodness of the model is verified by comparing the calculated efficiency results with the efficiency values obtained through Cadence Virtuoso simulations. The derived regression index between the calculated and simulated efficiency results exceeds 0.99 in most cases: the proposed model and optimization strategy, therefore, well match the simulation results.

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来源期刊

2021 28th IEEE International Conference on Electronics, Circuits, and Systems (ICECS)

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