GaN-FET based dual active bridge DC-DC converter

This paper describes a high step-down unregulated, fixed-ratio DC-DC converter (DCX) based on the dual active bridge (DAB) power stage operating at high switching frequency using enhancement-mode Gallium-Nitride-on-Silicon (GaN) transistors. The DAB power stage design as well as a comparison of losses using GaN and silicon MOS devices is based on a detailed state-plane analysis of resonant transitions. Experimental results are presented for a 150 W, 150-to-12 V prototype DCX operating at 1 MHz switching frequency.

[1]  Johann W. Kolar,et al.  Accurate Power Loss Model Derivation of a High-Current Dual Active Bridge Converter for an Automotive Application , 2010, IEEE Transactions on Industrial Electronics.

[2]  Stephen L. Colino,et al.  Application Note: An002 Gan Power Transistors Fundamentals of Gallium Nitride Power Transistors Electron Generating Layer Dielectric Aluminum Nitride Isolation Layer , 2022 .

[3]  F.C. Lee,et al.  A family of high power density unregulated bus converters , 2005, IEEE Transactions on Power Electronics.

[4]  R.V. White,et al.  Emerging on-board power architectures , 2003, Eighteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2003. APEC '03..

[5]  Ventura River Reaches.  Environmental Protection Agency Environmental Protection Agency Environmental Protection Agency Environmental Protection Agency Environmental Protection Agency , 2012 .

[6]  D.M. Divan,et al.  A three-phase soft-switched high power density DC/DC converter for high power applications , 1988, Conference Record of the 1988 IEEE Industry Applications Society Annual Meeting.

[7]  D.M. Divan,et al.  Performance characterization of a high power dual active bridge DC/DC converter , 1990, Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting.

[8]  R. Miftakhutdinov,et al.  Advanced control circuit for intermediate bus converter , 2008, 2008 Twenty-Third Annual IEEE Applied Power Electronics Conference and Exposition.

[9]  H. Akagi,et al.  A Bidirectional Isolated DC–DC Converter as a Core Circuit of the Next-Generation Medium-Voltage Power Conversion System , 2007, IEEE Transactions on Power Electronics.

[10]  F.C. Lee,et al.  A family of high power density bus converters , 2004, 2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551).

[11]  A. Pratt,et al.  Evaluation of 400V DC distribution in telco and data centers to improve energy efficiency , 2007, INTELEC 07 - 29th International Telecommunications Energy Conference.

[12]  G.O. Garcia,et al.  Switching Control Strategy to Minimize Dual Active Bridge Converter Losses , 2009, IEEE Transactions on Power Electronics.