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In terms of use, automotive-grade chips can be divided into three categories: functional chips, power semiconductors and sensors.

Function chips, also known as microcontroller units, are used to maintain the normal operation of various system functions such as automotive electronic control systems, infotainment systems, powertrain systems, and vehicle motion systems.

Power semiconductors are the core components of power electronic devices to realize power conversion and circuit control. They are mainly used in frequency conversion, rectification, voltage transformation, power scaling, power regulation and other scenarios. Automotive power semiconductors are mainly used in automotive power control systems, lighting systems, and fuel injection. , chassis safety and other systems, new energy vehicles need a large number of power semiconductors to achieve the vehicle's frequent voltage conversion requirements.

The car sensor is the input device of the car computer system. Its function is to convert the information of various working conditions during the operation of the car, such as the speed of the vehicle, the temperature of various media, and the operating conditions of the engine, into electrical signals and send them to the computer.

my country is the world's largest new energy vehicle market. With the continuous increase in the penetration rate of domestic pure electric vehicles and hybrid vehicles, the market demand for power semiconductors is also rising.

At present, the power semiconductors carried by new energy vehicles are mainly IGBT and MOSFET, which are silicon-based materials. In the future, as the battery power system of new energy vehicles gradually develops to high voltages above 800V, the third-generation semiconductor material silicon carbide will be used in power The semiconductor market "shows its talents".

Compared with traditional silicon-based materials, the third-generation semiconductor materials represented by silicon carbide have better performance in high-voltage systems. In the future, silicon carbide power semiconductors are expected to gradually replace some silicon-based power semiconductors such as IGBTs and MOSFETs. The field of new energy vehicles has been applied.

According to a recent survey by TrendForce, a global market research organization, the output value of the third type of power semiconductors will grow from US$980 million in 2021 to US$4.71 billion in 2025, with a compound annual growth rate of 48%. Among them, the output value of silicon carbide power semiconductors is expected to grow to 3.39 billion US dollars by 2025.