Class Phi2 Amplifier using GaN HEMTs at 13.56MHz with Tuned Transformer for Wireless Power Transfer

Conference: PCIM Europe 2022 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05/10/2022 - 05/12/2022 at Nürnberg, Germany

doi:10.30420/565822239

Proceedings: PCIM Europe 2022

Pages: 8Language: englishTyp: PDF

Authors:
Kaechele, Klaus-Dieter; Kocher, Kathrin; Ulmer, Sabrina; Soenmez, Ertugrul; Schullerus, Gernot (Reutlingen University, Germany)

Abstract:
This paper discusses a design procedure of a wireless power transfer system at a RF switching frequency of 13.56MHz. The wireless power transfer amplifier uses GaN HEMTs in aClass phi2 topology and is designed in order to achieve high efficiency and high power density. A design method for the load over a certain bandwidth is presented for a transformer with its tuning network.