An 80-W 94.6%-Efficient Multi-Phase Multi-Inductor Hybrid Converter

被引：32

作者：

Das, Ratul ^{[1
]}

Seo, Gab-Su ^{[2
]}

Maksimovic, Dragan ^{[1
]}

Hanh-Phuc Le ^{[1
]}

机构：

[1] Univ Colorado, Dept Elect & Comp Engn, Boulder, CO 80309 USA

[2] Natl Renewable Energy Lab, Power Syst Engn Ctr, Golden, CO USA

来源：

THIRTY-FOURTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2019) | 2019年

关键词：

Hybrid converter; complete soft-charging; switched capacitor network; capacitance optimization; multi phase operation;

D O I：

10.1109/APEC.2019.8721952

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper presents a new Multi-Phase Multi-Inductor Hybrid (MP-MIH) converter that features high efficiency at large conversion ratios, while operating the switches with duty cycles larger than state-of-the-art hybrid topologies. In this converter, the capacitors are soft-charged and soft-discharged through three inductors operated in three interleaving phases. An experimental six-level three-phase converter prototype achieves 94.6% peak efficiency and 425 W/in 3 power density for conversions from 48V to 1V-2V at loads of up to 40A. This multi-phase multi-inductor hybrid converter architecture can be extended to any number of switched-capacitor network levels to support wide range of input and output voltages and load currents in data centers, telecommunication and other high-performance digital systems.

引用

页码：25 / 29

页数：5

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