Recent progress of GaN power devices for automotive applications

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Abstract

Many power switching devices are used in hybrid vehicles (HVs) and electric vehicles (EVs). To improve the efficiency of HVs and EVs, better performance characteristics than those of Si power devices, for example, lower on-resistance, higher speed, higher operation temperature, are required for the power devices. GaN power devices are promising candidates for satisfying the requirements. A lateral GaN power device with a blocking voltage of 600V and a vertical GaN power device with a blocking voltage of 1200V are suitable for medium power applications for sub systems and high-power applications for the drive of main motors, respectively. Power device applications in HVs and EVs and the current status of the GaN power device are presented. The reliability of the GaN power device is also discussed.

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APA

Kachi, T. (2014). Recent progress of GaN power devices for automotive applications. Japanese Journal of Applied Physics, 53(10). https://doi.org/10.7567/JJAP.53.100210

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