Automotive electronic IC refers to an integrated circuit designed specifically for automotive applications that meets automotive grade standards. The core difference between it and consumer grade chips such as mobile SoC is that it must be able to ensure reliability and functional safety for more than 15 years in harsh environments such as extreme temperatures of -40 ℃~150 ℃ and strong vibrations.

The number of chips installed in a new energy intelligent vehicle has exceeded 1000 (some high-end models have up to 3000), which is more than twice that of traditional fuel vehicles. According to their functions, they are mainly divided into the following three categories:

1. Computing and Control Chips: The "Brain" of Cars

Responsible for processing instructions and control logic, it is the core of intelligence.

·MCU (microcontroller): Skilled in precise control. Widely used in engine management, car windows, wipers, etc., with a single vehicle carrying dozens to hundreds of them.

·SoC/AI chip: responsible for high computing tasks (intelligent driving, cockpit).

2. Power Semiconductor: The "Energy Steward" of Cars

Responsible for energy conversion (AC/DC conversion, voltage/frequency regulation), directly determining battery life and energy efficiency.

·IGBT: mainstream mature solution, suitable for high voltage and high current.

·SiC (silicon carbide): the next generation core material that is resistant to high pressure and high temperature, and can significantly improve battery life.

3. Perception and communication chips: the "facial features and nerves" of automobiles

·Sensor chip: the data entry point for ADAS systems.

·Communication chip: responsible for V2X vehicle networking, Bluetooth, Wi Fi, etc.

4. Supporting chips: other key components

·Driver chip: connects MCU and power devices, responsible for driving external loads. Storage and power management: the foundation for ensuring system operation.