MCP2544FDT-H/SN

Product Overview

• Category: Integrated Circuit
• Use: CAN Transceiver
• Characteristics: High-speed, Low-power, Small form factor
• Package: SOIC-8
• Essence: Communication interface between microcontrollers and CAN bus
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Data Rate: Up to 1 Mbps
• Standby Current: 10 µA (typical)
• Transmitting Current: 100 mA (maximum)
• Receiving Current: 25 mA (maximum)

Pin Configuration

The MCP2544FDT-H/SN has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 2 │ ├───┼───┤ │ 3 │ 4 │ ├───┼───┤ │ 5 │ 6 │ ├───┼───┤ │ 7 │ 8 │ └───┴───┘

Pin Description: 1. VDD: Power Supply 2. TXD: Transmit Data 3. RXD: Receive Data 4. VSS: Ground 5. STBY: Standby Mode Control 6. RS: Slope Control Resistor 7. CANL: CAN Bus Low 8. CANH: CAN Bus High

Functional Features

• Supports CAN 2.0B protocol
• High-speed data transmission up to 1 Mbps
• Low-power consumption in standby mode
• Integrated protection features for bus fault conditions
• Slope control for improved electromagnetic compatibility (EMC)
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High-speed data transmission - Low-power consumption - Integrated protection features - Improved EMC with slope control - Compact form factor

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

Working Principles

The MCP2544FDT-H/SN is a CAN transceiver that facilitates communication between microcontrollers and the CAN bus. It operates based on the CAN 2.0B protocol, allowing for high-speed data transmission up to 1 Mbps. The transceiver ensures reliable data transfer while consuming low power, making it suitable for various applications.

The device incorporates protection features to handle bus fault conditions, ensuring the integrity of the communication. Additionally, the MCP2544FDT-H/SN includes slope control functionality, which helps improve electromagnetic compatibility by reducing signal reflections and noise.

Detailed Application Field Plans

The MCP2544FDT-H/SN is widely used in automotive applications, industrial automation, and other systems that require robust and efficient communication between microcontrollers and the CAN bus. Some specific application areas include:

1. Automotive: Used in vehicle diagnostics, engine control units, body control modules, and infotainment systems.
2. Industrial Automation: Enables communication between PLCs (Programmable Logic Controllers), sensors, and actuators in industrial control systems.
3. Home Automation: Facilitates communication between smart home devices, such as lighting controls, HVAC systems, and security systems.
4. Medical Devices: Used in medical equipment for data exchange between microcontrollers, sensors, and displays.

Detailed and Complete Alternative Models

1. MCP2561: Similar CAN transceiver with enhanced ESD protection and improved electromagnetic compatibility.
2. SN65HVD230: CAN transceiver with a wide operating temperature range (-55°C to +125°C) suitable for harsh environments.
3. TJA1050: Standard high-speed CAN transceiver with low-power standby mode and integrated bus protection.

These alternative models offer similar functionality and can be considered as substitutes for the MCP2544FDT-H/SN in various applications.

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