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DC-DC Converter Based on Switching Voltage Doubling Clamping Unit
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Limin QUAN1, Min ZHANG1, Haitao JIA1, Pengfei XUE1, Haidong LI2
Journal of Power Supply | 2026, 24(3) : 30 - 36
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Journal of Power Supply | 2026, 24(3): 30-36
• Power Converter Topologies •
DC-DC Converter Based on Switching Voltage Doubling Clamping Unit
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Limin QUAN1, Min ZHANG1, Haitao JIA1, Pengfei XUE1, Haidong LI2
Affiliations
  • 1.School of Information and Control Engineering, Qingdao University of Technology, Qingdao 266520, China
  • 2.Beijing Leigong Zhichuang Technology Co., Ltd., Beijing 100192, China
Published: 2026-03-30 doi: 10.13234/j.issn.2095-2805.2026.3.30
Outline
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In the wide conversion range applications of traditional DC-DC converters, there is an urgent need for higher voltage gain, efficiency and reliability. A DC-DC converter based on a switching voltage doubling clamping unit is proposed and analyzed. In this topology, the switch voltage stress is low and the inherent duty cycle is small, which helps reduce switch losses and improve the converter efficiency. All the switch devices achieve voltage clamping, thus reducing the voltage spikes generated during switch transitions. Compared with coupled windings, the single-input inductor reduces the size of the converter and the input current ripple. The shared grounding of input and output terminals ensures the output reliability. Through a comparison with other typical converters and performance analysis with a combination of a 200 W experimental prototype, the feasibility and effectiveness of the DC-DC converter based on the switching voltage doubling clamping unit were validated.

DC-DC converter  /  high efficiency  /  passive clamp  /  voltage doubling unit
权利敏, 张民, 贾海涛, 薛鹏飞, 李海东. 基于开关倍压钳位单元的DC-DC变换器. 电源学报, 2026 , 24 (3) : 30 -36 . DOI: 10.13234/j.issn.2095-2805.2026.3.30
Limin QUAN, Min ZHANG, Haitao JIA, Pengfei XUE, Haidong LI. DC-DC Converter Based on Switching Voltage Doubling Clamping Unit[J]. Journal of Power Supply, 2026 , 24 (3) : 30 -36 . DOI: 10.13234/j.issn.2095-2805.2026.3.30
Funding
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  • National Natural Science Foundation of China(62541318)
  • Shandong Provincial Natural Science and Technology Foundation(ZR2025QC655; ZR2022ME214)
Appendix
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Year 2026 volume 24 Issue 3
42
7
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.3.30
  • Receive Date：2023-05-18
  • Online Date：2026-10-29
  • Published：2026-03-30
Article Data
Affiliations
History
  • Received：2023-05-18
  • Revised：2023-11-21
  • Accepted：2023-11-28
Funding
National Natural Science Foundation of China(62541318)
Shandong Provincial Natural Science and Technology Foundation(ZR2025QC655; ZR2022ME214)
Affiliations
    1.School of Information and Control Engineering, Qingdao University of Technology, Qingdao 266520, China
    2.Beijing Leigong Zhichuang Technology Co., Ltd., Beijing 100192, China
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