GaN Talk a blog dedicated to crushing silicon
Term: Efficiency
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Aug 21, 2020

New 200 V eGaN Devices Double the Performance Edge Over the Aging Silicon Power MOSFET.

Alex Lidow, Ph.D., CEO and Co-founder

Efficient Power Conversion (EPC) is doubling the performance distance between the aging silicon power MOSFET and eGaN® transistors with 200 V ratings.  The new fifth-generation devices are about half the size of the prior generation.  This performance boost comes from two main design differences, as shown in figure 1.  On the left is a cross-section of the fourth generation 200 V enhancement-mode GaN-on-Si process.  The cross-section on the right is the fifth-generation structure with reduced distance between gate and source electrodes and an added thick metal layer. These improvements, plus many others not shown, have doubled the performance of the new-generation FETs.