MCP2561-H/MF

Product Overview

• Category: Integrated Circuit (IC)
• Use: CAN Transceiver
• Characteristics: High-speed, fault-tolerant, low-power, small package size
• Package: SOIC-8
• Essence: The MCP2561-H/MF is a high-speed CAN transceiver that serves as an interface between a microcontroller and the CAN bus. It provides reliable communication in automotive and industrial applications.
• Packaging/Quantity: The MCP2561-H/MF is available in a standard SOIC-8 package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Data Rate: Up to 1 Mbps
• Transmitting Distance: Up to 500 meters
• Standby Current: 10 µA (typical)
• Dominant Time-Out Function: Yes
• Protection Features: Thermal shutdown, short-circuit protection, voltage spike suppression

Pin Configuration

The MCP2561-H/MF has the following pin configuration:

```

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| | | 1 2 | | | | 3 4 | | | | 5 6 | | | | 7 8 | |___________| ```

1. VDD - Power supply input
2. VSS - Ground
3. TXD - Transmit data output
4. RXD - Receive data input
5. VREF - Reference voltage output
6. CANL - CAN bus low-side connection
7. CANH - CAN bus high-side connection
8. RS - Slope control input

Functional Features

• High-speed CAN communication
• Fault-tolerant operation in noisy environments
• Low-power consumption
• Integrated protection features for enhanced reliability
• Dominant time-out function for bus fault detection
• Suitable for 12V and 24V automotive systems

Advantages and Disadvantages

Advantages: - High-speed data transmission - Robust performance in harsh environments - Low standby current consumption - Compact package size for space-constrained applications

Disadvantages: - Limited operating temperature range (-40°C to +125°C) - Requires external slope control resistor (RS)

Working Principles

The MCP2561-H/MF operates as a CAN transceiver by converting the digital signals from a microcontroller into differential voltage levels suitable for transmission over the CAN bus. It incorporates advanced features such as thermal shutdown, short-circuit protection, and voltage spike suppression to ensure reliable communication in demanding environments.

Detailed Application Field Plans

The MCP2561-H/MF is widely used in various application fields, including:

1. Automotive: Used in car body electronics, powertrain systems, infotainment systems, and advanced driver-assistance systems (ADAS).
2. Industrial Automation: Employed in industrial control systems, factory automation, and process control.
3. Medical Devices: Integrated into medical equipment for data exchange and control purposes.
4. Home Automation: Utilized in smart home systems for communication between devices.
5. Energy Management: Applied in energy monitoring and management systems for efficient data transmission.

Detailed and Complete Alternative Models

1. MCP2551: Similar CAN transceiver with lower data rate capability.
2. SN65HVD230: CAN transceiver with extended operating temperature range.
3. TJA1050: High-speed CAN transceiver with integrated slope control.

These alternative models offer similar functionality and can be considered as substitutes for the MCP2561-H/MF in specific applications.

In conclusion, the MCP2561-H/MF is a high-speed CAN transceiver that provides reliable communication in automotive and industrial applications. Its compact size, low-power consumption, and integrated protection features make it a popular choice among designers. However, its limited operating temperature range and the need for an external slope control resistor are notable considerations.