The controller area network (CAN bus) in a vehicle is the internal communication control centre that relays information between the vehicle’s various electronic control units (ECUs). Each ECU needs a central processing unit (CPU), CAN transceiver and CAN controller to allow it to pass data to and from the CAN bus.
What do CAN transceivers do?
The CAN transceiver connects the CAN controller to the CAN bus. Its main job is to translate the data from the bus so that the controller can read it, and vice versa. By ensuring the efficient running of the communication system, they help minimise the amount of current used.
Types of CAN transceivers
The main distinction between different types of CAN transceivers is their speed:
Low-speed CAN transceivers allow data rates up to 125 kilobits per second
High-speed CAN transceivers allow for data rates of up to 1 megabit per second
The advantage of low-speed CAN transceivers is that they can tolerate a fault in one of the communication lines without the whole communication system failing.
Description:
Controller Area Network (CAN or CAN-bus) is a
computer network protocol and bus standard designed to allow microcontrollers and devices to communicate with each other without a host computer. It was designed specifically for automotive applications but is now also ...
Description:
The MCP2561/2 is Microchip Technology Inc. second generation
high-speed CAN transceiver. It serves as an interface between a CAN protocol controller and the physical two-wire CAN bus. The device family members are: • MCP2561 with SPLIT pin • MCP2562 with ...
Description:
The MCP2561/2 is Microchip Technology Inc. second generation
high-speed CAN transceiver. It serves as an interface between a CAN protocol controller and the physical two-wire CAN bus. The device family members are: • MCP2561 with SPLIT pin • MCP2562 with ...
Description:
The Microchip technology 1 channel, 1Mbit/s CAN transceiver
has 8 pins and PDIP package type. This device is a high speed CAN, fault-tolerant device that serves as the interface between a CAN protocol controller and the physical bus. The Local ...
