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Z-source Resonant Single-switch Two-channel LED Driver
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Jie ZHANG1, 2, Chen ZOU1, Lin YANG1, Ci XIAO1, Lin LIU1, Yingfei GAO1
Journal of Power Supply | 2025, 23(2) : 205 - 212
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Journal of Power Supply | 2025, 23(2): 205-212
• Lighting Power Supply •
Z-source Resonant Single-switch Two-channel LED Driver
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Jie ZHANG1, 2, Chen ZOU1, Lin YANG1, Ci XIAO1, Lin LIU1, Yingfei GAO1
Affiliations
  • 1 Hubei Key Laboratory for High-efficiency Utilization of Solar Energy and Operation Control of Energy Storage System, Hubei University of Technology, Wuhan 430068, China
  • 2 Xiangyang Industrial Institute, Hubei University of Technology, Xiangyang 441100, China
Published: 2025-03-30 doi: 10.13234/j.issn.2095-2805.2025.2.205
Outline
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A novel two-channel light emitting diode (LED) driver is proposed, and its operating principle and characteristics are analyzed in detail. This driver uses a novel Z-source resonant network and an active switch which has the same ground properties as the power supply, and the current balance is automatically realized by balancing capacitors, so its current control is simple. At the same time, owing to the use of Z-source resonant network to transfer energy, the proposed driver has advantages such as soft switching, high efficiency, small volume and low voltage stress. To verify the effectiveness of this driver, a 80 W prototype was built and tested.

Light emitting diode (LED) driver  /  Z-source resonant network  /  capacitive charge balance
Jie ZHANG, Chen ZOU, Lin YANG, Ci XIAO, Lin LIU, Yingfei GAO. Z-source Resonant Single-switch Two-channel LED Driver[J]. Journal of Power Supply, 2025 , 23 (2) : 205 -212 . DOI: 10.13234/j.issn.2095-2805.2025.2.205
Funding
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  • Key Research and Development Program in Hubei Province in 2020(2020BBB084)
Appendix
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Year 2025 volume 23 Issue 2
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333
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Article Info
doi: 10.13234/j.issn.2095-2805.2025.2.205
  • Receive Date：2022-03-22
  • Online Date：2025-07-01
  • Published：2025-03-30
Article Data
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History
  • Received：2022-03-22
  • Revised：2022-05-06
  • Accepted：2022-05-24
Funding
Key Research and Development Program in Hubei Province in 2020(2020BBB084)
Affiliations
    1 Hubei Key Laboratory for High-efficiency Utilization of Solar Energy and Operation Control of Energy Storage System, Hubei University of Technology, Wuhan 430068, China
    2 Xiangyang Industrial Institute, Hubei University of Technology, Xiangyang 441100, China
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光柄菇属 Pluteus 5 2.39
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