CAN Controllers (22) – Page 2

CAN Controllers: The Backbone of Automotive Networks

CAN (Controller Area Network) controllers are specialized microchips that enable communication between electronic components within a vehicle. They act as the central nervous system, facilitating the exchange of data between various modules like the engine control unit, transmission, and safety systems.

CAN controllers have evolved from simple serial communication interfaces to complex, high-speed processors with advanced features like error detection and handling. The introduction of CAN FD (Flexible Data Rate) has significantly increased data transmission speeds, enabling the integration of complex, data-intensive systems.

Key features of CAN controllers include data rate, bus termination, message filtering, and protocol support. Specific features differentiate controllers based on their application, such as low power consumption for battery-powered systems or fault tolerance for mission-critical applications.

The automotive industry is rapidly embracing CAN-based communication for advanced driver-assistance systems (ADAS), autonomous driving, and connected car technologies. The future of CAN controllers lies in improved safety, security, and integration with emerging technologies like 5G and cloud computing.