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.
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页数：4
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