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What is the function of automotive chips?

1 Answers

Ellie

07/30/25 9:10am

Automotive electronic chips are chips used in vehicles, collectively referred to as automotive chips. They can be categorized into four main types: functional chips MCU (Microcontroller Unit), power semiconductors (IGBT, MOSFET, etc.), sensors, and others. The specific descriptions are as follows: 1. MCU: The full name in automobiles is Motor-Control-Unit, which translates to "Motor Control Unit" in Chinese. It is the module that controls motor actions, primarily managing the connection and control of various peripheral circuits and interface circuits in the vehicle. It acts as the brain of the car, controlling all electronic systems, including suspension, engine control systems, in-vehicle infotainment, windshield wipers, power windows, electric seats, and other electrically powered components. 2. Power semiconductors (IGBT, MOSFET, etc.): The full name of the IGBT chip is "Insulated Gate Bipolar Transistor," a composite fully-controlled voltage-driven power semiconductor device composed of BJT (Bipolar Junction Transistor) and MOS (Metal-Oxide-Semiconductor Field-Effect Transistor). It is mainly used in new energy vehicles. Functionally, the IGBT chip serves as the power conversion device for MCU chips, enabling power conversion in electric drive systems to improve power efficiency and quality, hence it is also known as a super switch for controlling electrical energy. 3. Sensors: Automotive sensors are input devices for the vehicle's computer system. Their role is to convert various operational conditions of the car, such as speed, temperature of various media, and engine operating conditions, into electrical signals for the computer, ensuring the vehicle operates in its optimal state. 4. Others: Traditional automotive functional chips are only suitable for localized functions like engine control and battery management and cannot meet the high-data-volume computations required for intelligent driving. In recent years, with the widespread adoption of advanced driver-assistance systems (ADAS), global chip giants have entered the automotive industry, introducing main control chips with AI computing capabilities.

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