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

被引：1

作者：

Fusetto, Samuele ^{[1
]}

Moisello, Elisabetta ^{[1
]}

Cannillo, Francesco ^{[2
]}

Malcovati, Piero ^{[1
]}

Bonizzoni, Edoardo ^{[1
]}

机构：

[1] Univ Pavia, Pavia, Italy

[2] Dialog Semicond GmbH, Germering, Germany

来源：

2021 28TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS, AND SYSTEMS (IEEE ICECS 2021) | 2021年

关键词：

CAPACITOR CONVERTER; EFFICIENCY;

D O I：

10.1109/ICECS53924.2021.9665603

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a strategy for optimizing power switch sizes in DC-DC converters, in order to maximize the power e fficiency. The proposed strategy is particularly well suited for multi-switch topologies, which have become increasingly widespread in recent years. The e ffectiveness 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 e fficiency results with the e fficiency values obtained through Cadence Virtuoso simulations. The derived regression index between the calculated and simulated e fficiency results exceeds 0.99 in most cases: the proposed model and optimization strategy, therefore, well match the simulation results.

引用

页数：4

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