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Design of Synchronous Rectifier Flyback DC/DC Converter Based on GaN
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Qiang TONG, He LIU, Lu QU
Journal of Power Supply | 2024, 22(2) : 81 - 89
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Journal of Power Supply | 2024, 22(2): 81-89
• DC-DC Converters •
Design of Synchronous Rectifier Flyback DC/DC Converter Based on GaN
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Qiang TONG, He LIU, Lu QU
Affiliations
  • School of Intelligent Manufacturing and Equipment Shenzhen Institute of Information Technology Shenzhen 518172 China
Published: 2024-03-30 doi: 10.13234/j.issn.2095-2805.2024.2.81
Outline
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A design method for small and medium-power DC/DC converters suitable for low-orbit commercial aerospace is given in this paper. A synchronous rectifier flyback topology and surface mounted devices are adopted, which can meet the demands for common single-and multi-output DC/DC converters applied in aerospace, with advantages of low cost, high performance, high reliability, and mass production. To further improve the conversion efficiency and power density, gallium nitride(GaN) FETs are also used. In addition, the losses of main power devices in the topology under different operating conditions are calculated and compared. Finally, a DC/DC converter with a wide range of input voltage (23-47 V) and output of 5 V and 30 W was built for verification.

Converter  /  gallium nitride (GaN)  /  synchronous rectifier flyback  /  commercial aerospace
Qiang TONG, He LIU, Lu QU. Design of Synchronous Rectifier Flyback DC/DC Converter Based on GaN[J]. Journal of Power Supply, 2024 , 22 (2) : 81 -89 . DOI: 10.13234/j.issn.2095-2805.2024.2.81
Funding
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  • Basic Research Project of Shenzhen Science and Technology Plan(20200828191356001)
  • Characteristic Innovation Project of Colleges and Universities in Guangdong Province(KJ2021C015)
  • Shenzhen Institute of Information Technology School Project(SZIIT2021KJ002)
Appendix
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Year 2024 volume 22 Issue 2
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284
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.2.81
  • Receive Date：2022-04-25
  • Online Date：2025-07-21
  • Published：2024-03-30
Article Data
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History
  • Received：2022-04-25
  • Revised：2022-08-09
  • Accepted：2022-08-15
Funding
Basic Research Project of Shenzhen Science and Technology Plan(20200828191356001)
Characteristic Innovation Project of Colleges and Universities in Guangdong Province(KJ2021C015)
Shenzhen Institute of Information Technology School Project(SZIIT2021KJ002)
Affiliations
    School of Intelligent Manufacturing and Equipment Shenzhen Institute of Information Technology Shenzhen 518172 China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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