研究目的
Designing a high-efficiency and high-power-density 10 kW LLC resonant converter using GaN-based switching cells and an integrated litz-wire transformer.
研究成果
The designed GaN-based LLC resonant converter achieves a peak efficiency of 97.9% and a power density of 131 W/in3 (8 kW/L), demonstrating the advantages of GaN HEMTs and integrated litz-wire transformers in high-efficiency, high-power-density applications.
研究不足
The study focuses on a specific design and may not cover all potential applications or conditions. The thermal management and layout considerations are tailored to the specific GaN HEMTs used.
1：Experimental Design and Method Selection:
The design includes a switching cell with paralleled GaN HEMTs, an integrated litz-wire transformer, and a 3D package for the converter.
2：Sample Selection and Data Sources:
The study uses 650V 60A enhanced-mode GaN HEMTs and a litz-wire transformer.
3：List of Experimental Equipment and Materials:
GaN HEMTs, litz-wire transformer, heat sinks, and a 3D package structure.
4：Experimental Procedures and Operational Workflow:
The design process includes layout consideration, thermal management, and optimization of the transformer.
5：Data Analysis Methods:
Efficiency and power density are measured to evaluate the converter's performance.
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