一种基于正弦振幅变换技术的DC/DC变换器设计  

Design of DC/DC Converter Based on Sine Amplitude Conversion Technology

作　　者：陈夏冉 朱晓辉[1] CHEN Xia-ran;ZHU Xiao-hui(No.43 Research Institute of CETC,Hefei 230088,China)

机构地区：[1]中国电子科技集团公司第四十三研究所,合肥230088

出　　处：《混合微电子技术》2019年第4期1-5,共5页Hybrid Microelectronics Technology

摘　　要：针对目前高效率高功率密度变换器发展的需求及趋势,设计了一种基于正弦振幅变换技术的零电流零电压软开关高频DC/DC变换器。首先对该变换器的拓扑及工作原理进行了说明,然后根据理论参数计算优选关键元器件,并且借助IsSpice工具进行电路仿真分析,最后通过试验验证了变换器的功能和效果,并给出试验结果和波形。分析表明,该变换器可以实现零电流零电压软开关,转换效率可达95%以上。In view of the needs and trends of high efficiency and high power density converter,a high-frequency DC/DC converter that can achieve the ZVS/ZCS based on sine amplitude conversion is designed.Firstly,the topology and principle of the converter are illustrated.Then,the key components are optimized according to theoretic calculation and analysis.And the simulation based on SpiceNet.Finally,the function and performance of the converter is verified by the experimental result including data and waveforms.The analysis indicates that the converter can achieve the ZVS/ZCS and its efficiency can be up to 95%.

关 键 词：正弦振幅变换(SAC) 零电压/零电流软开关(ZVS/ZCS) 变压器漏感 谐振电容 GaN 

分 类 号：TN402[电子电信—微电子学与固体电子学]