MCP2544FD-H/SN

Product Overview

• Category: Integrated Circuit
• Use: Communication and Networking
• Characteristics: High-speed CAN Transceiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Facilitates communication between microcontrollers in automotive applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.0V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Data Rate: Up to 8 Mbps
• Transmit Dominant Time-out: 1.5 µs
• Receiver Input Thresholds: Vih = 2.0V, Vil = 0.8V
• ESD Protection: ±8 kV HBM, ±15 kV IEC61000-4-2 Air Discharge

Detailed Pin Configuration

The MCP2544FD-H/SN has a total of 14 pins. The pin configuration is as follows:

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

Functional Features

• Supports CAN FD (Flexible Data Rate) protocol
• Compliant with ISO 11898-2:2016 standard
• High-speed data transmission up to 8 Mbps
• Low-power standby mode for power-saving applications
• Integrated slope control for improved electromagnetic compatibility (EMC)
• Split termination option for flexible network configuration

Advantages and Disadvantages

Advantages

• High-speed data transmission enables faster communication between microcontrollers
• CAN FD protocol support allows for increased data payload size
• Low-power standby mode helps conserve energy in automotive systems
• Integrated slope control enhances EMC performance
• Split termination provides flexibility in network design

Disadvantages

• Limited to automotive applications due to specific communication protocol
• Requires additional components for complete CAN network implementation
• Relatively higher cost compared to non-CAN transceivers

Working Principles

The MCP2544FD-H/SN is designed to facilitate communication between microcontrollers using the Controller Area Network (CAN) protocol. It operates by transmitting and receiving data frames over a differential bus, where the CANH and CANL pins are used to transmit and receive signals. The transceiver supports both standard CAN and CAN FD protocols, allowing for increased data rates and larger payload sizes.

The device incorporates various features such as slope control and split termination to improve signal integrity and reduce electromagnetic interference. It also includes a low-power standby mode, which can be utilized to minimize power consumption when the transceiver is not actively transmitting or receiving data.

Detailed Application Field Plans

The MCP2544FD-H/SN is primarily used in automotive applications that require reliable and high-speed communication between microcontrollers. Some common application areas include:

1. Automotive Control Systems: Used in engine management systems, body control modules, and other electronic control units (ECUs) to enable efficient communication between different subsystems.
2. Infotainment Systems: Facilitates communication between audio/video components, touchscreens, and other peripherals in modern car entertainment systems.
3. Advanced Driver Assistance Systems (ADAS): Enables real-time data exchange between sensors, cameras, and control units for functions like collision avoidance, lane departure warning, and adaptive cruise control.
4. Electric Vehicle (EV) Systems: Supports communication between various EV components such as battery management systems, motor controllers, and charging infrastructure.

Detailed and Complete Alternative Models

1. MCP2562FD: Similar to MCP2544FD-H/SN, but available in a different package (8-pin PDIP)
2. SN65HVD230: CAN transceiver with similar specifications, suitable for industrial applications
3. TJA1057: High-speed CAN transceiver with integrated wake-up functionality
4. MAX3051: CAN transceiver with low-power standby mode and fault protection features

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements and preferences.

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