High-Step-Down ZVS Synchronous Rectified DC-DC Converter with High Accurate Output Regulation in Wide Operation Range

Zhengge Chen, Cheng Liu, Jianping Xu, Guohua Zhou, Zhan Shen

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Abstract

A high-step-down digital controlled isolated DC-DC converter with a wide input/output operation range is popular in industrial applications. This paper presents a high-step-down isolated DC-DC converter with accurate output regulation ability (≤0.5%) in a wide operation range. The active clamp circuit and full-bridge ZVS synchronous rectification are implemented for efficiency concerns. The planar magnetic technique is employed to reduce volume and maintain parameter consistency. Meanwhile, combining the high resolutions of DSP I/O configurations, a simple effective control approach for the accurate output voltage regulation is found. A 180-420V wide input voltage range and 28V/10A output isolated DC-DC converter prototype is built and tested to verify the effectiveness of the converter.

OriginalsprogEngelsk
Titel2021 IEEE 2nd China International Youth Conference on Electrical Engineering, CIYCEE 2021
ForlagIEEE
Publikationsdato2021
Artikelnummer9676785
ISBN (Trykt)978-1-6654-0065-7
ISBN (Elektronisk)978-1-6654-0064-0
DOI
StatusUdgivet - 2021
Begivenhed2nd IEEE China International Youth Conference on Electrical Engineering, CIYCEE 2021 - Chengdu, Kina
Varighed: 15 dec. 202117 dec. 2021

Konference

Konference2nd IEEE China International Youth Conference on Electrical Engineering, CIYCEE 2021
Land/OmrådeKina
ByChengdu
Periode15/12/202117/12/2021

Bibliografisk note

Publisher Copyright:
© 2021 IEEE.

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