A Reconfigurable Rectifier Based Communication-Free Wireless LED Driver With Dual-Customization CC Outputs

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Abstract
Due to the advantages of safety and convenience, wireless power transfer technology is a good candidate for underwater LEDs driving. A wireless LED driver with a single constant current (CC) output value cannot enable LEDs to achieve brightness variation. This letter proposes a reconfigurable rectifier based communication-free wireless LED driver with dual-customization CC outputs. By simply controlling the special rectifier on the receiver, the proposed driver can be selectively configured into two LCC-S-S three-coil structures with different specifications, allowing LEDs to work in energy-saving mode and lighting mode, respectively. In addition, the control unit for mode switching is located at the receiver, making the system communication-free and ideal for underwater LEDs driving. An experimental prototype with dual-customization CC outputs of 0.6 A for energy-saving mode and 1 A for lighting mode is fabricated to verify the feasibility of the proposed wireless LED driver.
Funding Information
  • National Natural Science Foundation of China (52207013)
  • Key Research Program of Higher Education of Henan (23A470007)

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