MCP2551-E/SN

Product Overview

Category

The MCP2551-E/SN belongs to the category of integrated circuits (ICs) specifically designed for use in automotive applications.

Use

This product is primarily used as a high-speed CAN (Controller Area Network) transceiver. It enables communication between microcontrollers and the CAN bus, facilitating data transmission in automotive systems.

Characteristics

• High-speed communication: The MCP2551-E/SN supports data rates of up to 1 Mbps, allowing for efficient and reliable transmission of information.
• Robustness: Designed to withstand harsh automotive environments, this transceiver offers enhanced protection against electromagnetic interference (EMI) and electrostatic discharge (ESD).
• Low power consumption: The MCP2551-E/SN operates at low power levels, making it suitable for battery-powered applications.
• Wide temperature range: With a temperature range of -40°C to +125°C, this transceiver can function reliably in extreme conditions.

Package

The MCP2551-E/SN is available in an 8-pin small outline package (SOIC), which provides ease of integration into various circuit designs.

Essence

The essence of the MCP2551-E/SN lies in its ability to facilitate seamless communication between microcontrollers and the CAN bus in automotive systems. It ensures reliable data transmission, enabling efficient operation of various automotive functionalities.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specified quantity of MCP2551-E/SN transceivers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage: 4.5V to 5.5V
• Transmitting current: 150 mA (maximum)
• Receiving current: 25 mA (maximum)
• Standby current: 1 µA (typical)
• Data rate: Up to 1 Mbps
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MCP2551-E/SN features the following pin configuration:

1. VDD - Supply voltage
2. VSS - Ground
3. RXD - Receiver input
4. TXD - Transmitter output
5. VREF - Reference voltage for CAN bus
6. RS - Slope control input
7. CANH - CAN bus dominant level output
8. CANL - CAN bus recessive level output

Functional Features

• High-speed CAN communication
• EMI and ESD protection
• Low power consumption
• Sleep mode for reduced power consumption during idle periods
• Error detection and reporting mechanisms
• Automatic thermal shutdown in case of excessive temperature

Advantages and Disadvantages

Advantages

• Robust design suitable for automotive applications
• Wide operating temperature range
• Efficient data transmission at high speeds
• Low power consumption
• Integrated protection against EMI and ESD

Disadvantages

• Limited to automotive applications
• Requires additional components for complete CAN network implementation

Working Principles

The MCP2551-E/SN operates as a transceiver by converting digital signals from microcontrollers into differential signals suitable for transmission over the CAN bus. It incorporates various mechanisms to ensure reliable communication, such as error detection and reporting. The transceiver also provides protection against EMI and ESD, enhancing the robustness of the overall system.

Detailed Application Field Plans

The MCP2551-E/SN is widely used in automotive systems, including but not limited to: - Engine control units (ECUs) - Transmission control modules - Body control modules - Anti-lock braking systems (ABS) - Airbag control units - Instrument clusters

Its high-speed communication capabilities, robustness, and low power consumption make it an ideal choice for these applications.

Detailed and Complete Alternative Models

• MCP2561-E/SN: Similar to the MCP2551-E/SN, this transceiver offers enhanced features such as a higher data rate of up to 8 Mbps.
• SN65HVD230D: A CAN transceiver with similar characteristics, suitable for automotive and industrial applications.
• TJA1050T/VM: Another high-speed CAN transceiver designed for automotive systems.

These alternative models provide similar functionality and can be considered as substitutes for the MCP2551-E/SN in various applications.

In conclusion, the MCP2551-E/SN is a highly reliable and efficient high-speed CAN transceiver specifically designed for automotive applications. Its robustness, low power consumption, and wide temperature range make it an ideal choice for seamless communication between microcontrollers and the CAN bus in automotive systems.