Power Cube Semiconductor Co., Ltd. (CEO Kang Tae-young) and GM Jeco Co., Ltd. (CEO Choi Yun-hwa) announced on the 20th that they signed an MOU for collaboration in the supply of power semiconductors for electric vehicles.
Power semiconductors are semiconductor components that control current and voltage to efficiently utilize electric energy, and are essential for various electronic products. In particular, they play a role in converting direct current voltage to alternating current or controlling and amplifying power. Recently, SiC (silicon carbide)-based power semiconductors are emerging, which can withstand voltages 10 times higher than existing Si (silicon) power semiconductors, allowing them to operate stably even in high-temperature environments. If applied to devices that operate in high-temperature environments such as electric vehicle inverters, they can contribute to improving the speed and driving performance of electric vehicles.
However, domestic automakers are still dependent on imported products. For example, Hyundai and Kia signed an agreement in November 2023 to supply power semiconductors through cooperation with Germany’s Infineon until 2030. Tesla is receiving all of its supplies through cooperation with Switzerland’s ST Micro.
Meanwhile, through this collaboration, Power Cube Semiconductor and GMJECO plan to jointly develop SiC power semiconductors and modules optimized for electric vehicle inverters for global automakers by 2029. The goal is to launch a globally competitive domestic product by combining Power Cube Semiconductor’s SiC power semiconductor back-end customizing technology and GMJECO’s double-sided cooling module design technology.
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