之前關注過finsix的65W適配器,現在已經生產了,有誰了解VHF的電路拓撲結構不?
MOSFET貌似用的是GaN FET。
參考資料:
A 500 W Push-pull Dc-dc Power Converter with a30 MHz Switching Frequency
//finsix.com/dart/
大家想想看這個怎么做出來的。
之前關注過finsix的65W適配器,現在已經生產了,有誰了解VHF的電路拓撲結構不?
MOSFET貌似用的是GaN FET。
參考資料:
A 500 W Push-pull Dc-dc Power Converter with a30 MHz Switching Frequency
//finsix.com/dart/
大家想想看這個怎么做出來的。
finsix的網站中提到了Class-Φ2 converters,希望有同行能貢獻點相關資料。
文章:A Very High Frequency DC–DC Converter Basedon a Class Φ2 Resonant Inverter
finsix網站原文:
“Rising semiconductor losses pose the first challenge as frequency increases. FINsix mitigatesthese losses by utilizing fully-resonant topologies such as the Class-Φ2 converters. Suchcircuits enforce switch commutation by sloshing reactive energy among the switch parasiticsand the circuit elements. This ensures voltage and current as viewed from the switch ports areorthogonal for the switch transition, dropping switching loss to very low levels.”
仿真使用原理圖
仿真時MOSFET的電壓波形圖。