MCP25055T-I/SL

Product Overview

Category

The MCP25055T-I/SL belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for automotive applications, specifically in the field of Controller Area Network (CAN) systems.

Characteristics

• The MCP25055T-I/SL is a high-speed CAN transceiver that supports both 5V and 3.3V supply voltage levels.
• It operates at a maximum data rate of 1 Mbps.
• This IC is designed to meet the stringent requirements of the automotive industry, including electromagnetic compatibility (EMC) standards.
• It features excellent noise immunity and low power consumption.

Package

The MCP25055T-I/SL is available in a small outline (SOIC) package.

Essence

The essence of this product lies in its ability to facilitate reliable communication within automotive CAN networks, ensuring seamless data transmission between various electronic control units (ECUs).

Packaging/Quantity

The MCP25055T-I/SL is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 3.3V or 5V
• Maximum Data Rate: 1 Mbps
• Operating Temperature Range: -40°C to +125°C
• ESD Protection: ±8 kV HBM (Human Body Model)
• Transceiver Type: High-Speed CAN

Detailed Pin Configuration

The MCP25055T-I/SL has a total of 14 pins, which are assigned specific functions as follows:

1. VDD - Power Supply
2. VSS - Ground
3. TXD - Transmit Data
4. RXD - Receive Data
5. RS - Standby Mode Control
6. WAKE - Wake-Up Input
7. VREF - Reference Voltage Output
8. CANL - CAN Low-Level Input/Output
9. CANH - CAN High-Level Input/Output
10. SLOPE - Slope Control
11. NC - No Connection
12. NC - No Connection
13. NC - No Connection
14. NC - No Connection

Functional Features

• High-speed data transmission up to 1 Mbps.
• Supports both 5V and 3.3V supply voltage levels, providing flexibility in system design.
• Excellent noise immunity ensures reliable communication in automotive environments.
• Standby mode control allows for power-saving operation when the transceiver is not actively transmitting or receiving data.
• Wake-up input enables the IC to be activated from a low-power state upon receiving a specific signal.

Advantages and Disadvantages

Advantages

• Wide operating temperature range (-40°C to +125°C) makes it suitable for automotive applications in various climates.
• Robust ESD protection (±8 kV HBM) enhances the reliability of the IC.
• Small outline package (SOIC) facilitates easy integration into compact electronic systems.

Disadvantages

• Limited pin configuration may restrict its use in certain complex network topologies.
• Lack of built-in diagnostics features may require additional external circuitry for fault detection.

Working Principles

The MCP25055T-I/SL operates based on the Controller Area Network (CAN) protocol, which is widely used in automotive applications. It functions as a transceiver, facilitating bidirectional communication between different nodes within a CAN network. The IC converts digital signals from the microcontroller into differential voltage levels suitable for transmission over the CAN bus. It also receives incoming differential signals and converts them back into digital form for processing by the microcontroller.

Detailed Application Field Plans

The MCP25055T-I/SL finds extensive application in the automotive industry, particularly in the following areas:

1. Vehicle Control Systems: It enables communication between various ECUs responsible for functions such as engine management, transmission control, and chassis control.
2. Body Electronics: The IC facilitates data exchange between ECUs controlling features like power windows, central locking, and lighting systems.
3. Safety Systems: It plays a crucial role in enabling communication between ECUs responsible for ABS (Anti-lock Braking System), airbags, and stability control systems.

Detailed and Complete Alternative Models

• MCP2551-I/P
• SN65HVD230DR
• TJA1050T/VM

These alternative models offer similar functionality to the MCP25055T-I/SL and can be considered as substitutes depending on specific application requirements.

In conclusion, the MCP25055T-I/SL is a high-speed CAN transceiver designed for automotive applications. Its robust characteristics, compact package, and compatibility with different supply voltage levels make it an ideal choice for reliable communication within automotive CAN networks.