A Family of DC-DC Converters With High Step-Down Voltage Capability Based on the Valley-Fill Switched Capacitor Principle

被引：24

作者：

Dalla Vecchia, Mauricio ^{[1
]}

Van den Broeck, Giel ^{[1
]}

Ravyts, Simon ^{[1
]}

Tant, Jeroen ^{[1
]}

Driesen, Johan ^{[1
]}

机构：

[1] Katholieke Univ Leuven, EnergyVille, Elect Engn Dept ESAT, B-3001 Leuven, Belgium

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2021年 / 68卷 / 07期

关键词：

Capacitors; Switches; Topology; Stress; Inductors; Gain; DC-DC power converters; DC– DC conversion; high step down (HSD); interleaved operation; switched capacitor; valley fill;

D O I：

10.1109/TIE.2020.2998760

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this article, a family of interleaved high-step-down dc-dc converters is proposed integrating the valley-fill switched capacitor structure and a double-series capacitor Buck converter. This integration generates three converters, which will be extensively explored herein via theoretical and experimental analysis. A complete theoretical analysis of the structures is presented in order to mathematically explain the physical operation of the proposed topologies. A design procedure is presented for the following specifications: 300 V/12 V input to output voltage, 100 W of power and a switching frequency of 100 kHz, and the results obtained are compared to state-of-the-art dc-dc converters that enable similar high-step-down operation.

引用

页码：5810 / 5820

页数：11

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