STMicroelectronics’ silicon carbide helps Li Auto accelerate its entry into the high-voltage electric vehicle market

【Lansheng Technology News】On December 22, 2023, STMicroelectronics signed a long-term silicon carbide supply agreement with Chinese new energy vehicle manufacturer Li Auto. According to the agreement, STMicroelectronics will provide silicon carbide MOSFETs to Li Auto to support Li Auto’s strategic plan to enter the high-voltage pure electric vehicle market.

As the electrification and green and low-carbon transformation of the automobile industry continues to deepen, high-voltage pure electric vehicles have become a popular choice among automobile manufacturers due to their higher energy efficiency and longer cruising range. In addition to the well-known extended range electric vehicles (EREV), Li Auto is also entering the pure electric vehicle market. Its first home technology pure electric flagship MPV has made its debut in the fourth quarter of 2023. Li Auto plans to launch more high-voltage pure electric models in the future. To ensure excellent performance of new models, silicon carbide MOSFETs need to be used extensively in electric drive inverters.

STMicroelectronics' silicon carbide has higher switching frequency, breakdown voltage and thermal resistance, which can significantly improve the performance and energy efficiency of power transistors. These characteristics are very important in the high-voltage environment of pure electric vehicles. Li Auto's upcoming 800V high-voltage pure electric platform will use STMicroelectronics' third-generation 1200V SiC MOSFET advanced technology in the electric drive inverter, which features industry-leading process stability, performance, energy efficiency and reliability.

STMicroelectronics' share of the global SiC MOSFET market exceeds 50%, and its excellent performance in electric vehicles has won high praise from leading automotive OEMs. In the field of new energy vehicles, STMicroelectronics’ silicon carbide has been widely used in vehicle charging and power modules.

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