MCP2558FDT-H/MF

Product Overview

Category

The MCP2558FDT-H/MF 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 transceiver. It enables communication between microcontrollers and the CAN bus, facilitating reliable data transmission in automotive systems.

Characteristics

• High-Speed Communication: The MCP2558FDT-H/MF supports data rates up to 1 Mbps, allowing for fast and efficient communication.
• Robust Design: This transceiver is built to withstand the harsh conditions typically encountered in automotive environments, ensuring reliable operation.
• Low Power Consumption: The device is designed to minimize power consumption, making it suitable for battery-powered applications.
• ESD Protection: The MCP2558FDT-H/MF incorporates electrostatic discharge (ESD) protection, safeguarding against potential damage caused by static electricity.

Package

The MCP2558FDT-H/MF is available in a small form factor package, which enhances its suitability for space-constrained automotive applications.

Essence

The essence of the MCP2558FDT-H/MF lies in its ability to provide a robust and efficient interface between microcontrollers and the CAN bus, enabling seamless communication within automotive systems.

Packaging/Quantity

This product is typically packaged in tape and reel format, with a quantity of 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
• Transmitting and Receiving Dominant Time-Out Function
• Low Standby Current: 10 µA (typical)

Detailed Pin Configuration

The MCP2558FDT-H/MF features an 8-pin dual flat no-lead (DFN) package. The pin configuration is as follows:

1. VDD - Power Supply
2. VSS - Ground
3. TXD - Transmit Data
4. RXD - Receive Data
5. RS - Slope Control Input
6. CANL - CAN Bus Low
7. CANH - CAN Bus High
8. VREF - Reference Voltage Output

Functional Features

• Slope Control: The MCP2558FDT-H/MF incorporates a slope control input (RS), allowing for adjustment of the slew rate to optimize signal integrity.
• Dominant Time-Out Function: This feature ensures that the transceiver automatically switches from transmitting to receiving mode if the bus remains dominant for an extended period, preventing bus lock-up.

Advantages and Disadvantages

Advantages

• High-speed communication capability enables efficient data transfer.
• Robust design ensures reliable operation in automotive environments.
• Low power consumption makes it suitable for battery-powered applications.
• ESD protection safeguards against static electricity damage.

Disadvantages

• Limited to automotive applications, limiting its use in other industries.
• Requires additional external components for complete system integration.

Working Principles

The MCP2558FDT-H/MF operates based on the Controller Area Network (CAN) protocol. It acts as a transceiver, converting digital signals from microcontrollers into differential voltage signals suitable for transmission over the CAN bus. It also receives differential voltage signals from the bus and converts them back into digital signals for the microcontroller to process.

Detailed Application Field Plans

The MCP2558FDT-H/MF finds extensive application in various automotive systems, including: - Engine Control Units (ECUs) - Body Control Modules (BCMs) - Transmission Control Units (TCUs) - Anti-lock Braking Systems (ABS) - Airbag Control Units (ACUs)

Its robustness, high-speed communication, and ESD protection make it an ideal choice for these critical automotive applications.

Detailed and Complete Alternative Models

• MCP2561: Similar to the MCP2558FDT-H/MF, this transceiver offers high-speed communication and robustness, with additional features such as a low-power standby mode.
• SN65HVD230: This alternative model also provides high-speed communication and ESD protection, suitable for automotive and industrial applications.

These alternative models offer similar functionality and can be considered as substitutes for the MCP2558FDT-H/MF in specific applications.

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