基于降压拓扑的ZVS DC-DC变换器

2019 IEEE International Conference of Intelligent Applied Systems on Engineering (ICIASE) Pub Date : 2019-04-01 DOI:10.1109/ICIASE45644.2019.9074092

Q. Tong, Nanxiao Zhong, Mingsheng Yang, Donglai Zhang

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引用次数: 1

摘要

提出了一种基于降压拓扑的零电压开关(ZVS)变换器。通过简单地将输出电感与钳位开关并联，可以实现主开关和同步开关的零电压切换。软开关可以实现更高的输入输出电压转换速率和更高的效率。同时，采用固定频率控制方式，简化了电磁干扰滤波器的设计。实验验证了30W, 500kHz的ZVS降压变换器。

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A ZVS DC-DC Converter Based on Buck Topology

A zero-voltage switched(ZVS) converter based on buck topology is proposed in this paper. By simply paralleling output inductor with a clamp switch, zero voltage switching(ZVS) of both main and synchronous switches can be realized. As a result of soft switching, higher conversion rate of input and output voltage and higher efficiency is able to be realized. Meanwhile, a fixed frequency control mode is adopted to simplify the design of EMI filters. A 30W, 500kHz ZVS buck converter is experimentally verified.

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来源期刊

2019 IEEE International Conference of Intelligent Applied Systems on Engineering (ICIASE)

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