Microchip Technology
Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
MCP2551-E/P
Se detaljer DataSheets

MCP2551-E/P

Product Overview

Category

The MCP2551-E/P belongs to the category of integrated circuits (ICs) specifically designed for use in automotive applications.

Use

This IC is primarily used as a high-speed CAN (Controller Area Network) transceiver. It enables communication between microcontrollers and other devices within an automotive network.

Characteristics

  • High-speed data rates up to 1 Mbps
  • Supports both 5V and 3.3V microcontrollers
  • Low standby current consumption
  • Robust ESD protection
  • Suitable for harsh automotive environments

Package

The MCP2551-E/P is available in an 8-pin PDIP (Plastic Dual In-line Package) format. This package provides ease of integration into various circuit designs.

Essence

The essence of the MCP2551-E/P lies in its ability to facilitate reliable and efficient communication within automotive networks, ensuring seamless interaction between different electronic components.

Packaging/Quantity

The MCP2551-E/P is typically packaged in tubes or trays, with quantities varying depending on the supplier. Common packaging options include tubes of 50 or 100 units.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to +125°C
  • Transmitting Output Voltage: 0V to VCC
  • Receiving Input Voltage: -12V to +14V
  • Maximum Data Rate: 1 Mbps

Detailed Pin Configuration

The MCP2551-E/P features the following pin configuration:

  1. VSS: Ground
  2. VDD: Supply Voltage
  3. TXD: Transmit Data
  4. RXD: Receive Data
  5. VREF: Reference Voltage
  6. RS: Slope Control
  7. CANH: CAN Bus Positive Line
  8. CANL: CAN Bus Negative Line

Functional Features

  • High-speed CAN communication
  • Differential bus voltage signaling
  • Automatic thermal shutdown protection
  • Fail-safe features for bus fault conditions
  • Noise filtering and ESD protection

Advantages and Disadvantages

Advantages

  • Robust and reliable communication in automotive environments
  • Wide operating temperature range
  • Low standby current consumption
  • Supports both 5V and 3.3V microcontrollers
  • Integrated protection against electrical transients

Disadvantages

  • Limited to automotive applications
  • Requires additional components for complete CAN network implementation

Working Principles

The MCP2551-E/P operates based on the principles of differential signaling. It converts the digital signals from a microcontroller into differential voltages suitable for transmission over the CAN bus. The transceiver also receives differential signals from the bus and converts them back into digital signals for the microcontroller.

Detailed Application Field Plans

The MCP2551-E/P is widely used in various automotive applications, including:

  1. Vehicle diagnostics and monitoring systems
  2. Engine control units (ECUs)
  3. Body control modules
  4. Infotainment systems
  5. Advanced driver-assistance systems (ADAS)
  6. Telematics and communication modules

Detailed and Complete Alternative Models

  1. MCP2561: Similar to MCP2551-E/P with enhanced features such as higher data rates and improved electromagnetic compatibility (EMC) performance.
  2. SN65HVD230: A compatible alternative from Texas Instruments offering similar functionality and performance.
  3. TJA1050: Another popular choice with comparable specifications and compatibility with various microcontrollers.

These alternative models provide options for designers based on specific project requirements and preferences.

Word count: 550 words

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MCP2551-E/P i tekniske løsninger

  1. What is the maximum data rate supported by MCP2551-E/P?
    - The maximum data rate supported by MCP2551-E/P is 1 Mbps.

  2. Can MCP2551-E/P be used in automotive applications?
    - Yes, MCP2551-E/P is commonly used in automotive applications for Controller Area Network (CAN) communication.

  3. What is the operating voltage range of MCP2551-E/P?
    - The operating voltage range of MCP2551-E/P is 4.5V to 5.5V.

  4. Is MCP2551-E/P compatible with industrial control systems?
    - Yes, MCP2551-E/P is suitable for use in industrial control systems due to its robustness and reliability.

  5. Does MCP2551-E/P support bus fault protection?
    - Yes, MCP2551-E/P features bus fault protection to ensure the integrity of the CAN network.

  6. Can MCP2551-E/P be used in harsh environments?
    - Yes, MCP2551-E/P is designed to withstand harsh environmental conditions, making it suitable for rugged applications.

  7. What is the typical quiescent current consumption of MCP2551-E/P?
    - The typical quiescent current consumption of MCP2551-E/P is 190 µA.

  8. Is MCP2551-E/P available in a DIP package?
    - Yes, MCP2551-E/P is available in a DIP (Dual Inline Package) for easy integration into various electronic designs.

  9. Does MCP2551-E/P require external protection components?
    - MCP2551-E/P includes built-in protection features, reducing the need for additional external components.

  10. Can MCP2551-E/P operate in a low-power mode?
    - Yes, MCP2551-E/P can operate in a low-power standby mode to conserve energy when not actively transmitting or receiving data.