MCP2551 CAN Communication Protocol Controller Module

MCP2551 CAN Communication Protocol Controller Module is a high-speed CAN transceiver module that provides the interface between a CAN protocol controller and the physical CAN bus. It is commonly used in automotive, industrial, and embedded systems to enable reliable communication between multiple microcontrollers or devices over a CAN network.

Key Features:

• High-Speed Operation: Supports communication speed up to 1 Mbps.
• Wide Voltage Range: Operates from 4.5V to 5.5V with high noise immunity.
• Short-Circuit Protection: Offers thermal shutdown and protection against short circuits.
• Low Electromagnetic Emission: Reduces EMI for cleaner signal transmission.
• Compatible with ISO-11898 Standard: Ensures compatibility with standard CAN protocols.

Technical Specifications:

• Transceiver IC: MCP2551
• Operating Voltage: 4.5V – 5.5V
• Communication Speed: Up to 1 Mbps
• Input Resistance: 30 kΩ (typical)
• Standby Mode: Low current consumption in standby
• Driver Capability: Supports 112 nodes on the CAN bus

Mechanical Specifications:

• Module Dimensions: Approx. 40mm x 25mm
• Connector Type: Screw terminals and 2.54mm header pins
• Mounting Type: Through-hole compatible
• PCB Color: Typically blue or green

Pinout and Wiring:

• VCC: Power input (5V)
• GND: Ground
• TXD: Transmit data from microcontroller
• RXD: Receive data to microcontroller
• CANH: High line of CAN bus
• CANL: Low line of CAN bus

Datasheet and Documentation:

• Download MCP2551 Datasheet (PDF)

Applications:

• Automotive Networks: Used in vehicles for ECU-to-ECU communication.
• Industrial Automation: Enables robust communication in harsh environments.
• Robotics: Facilitates real-time control signals between modules.
• Embedded Systems: Provides multi-node CAN network for microcontrollers.
• Smart Grid: Integrates into grid devices for data communication.

Equivalent Models:

• SN65HVD230: 3.3V-compatible CAN transceiver used in low-power systems
• TJA1050: NXP alternative with high-speed operation and low EMI
• PCA82C250: Industry-standard CAN transceiver with similar specs

Package Includes:

• 1 x MCP2551 CAN Communication Protocol Controller Module