MCP2551 Transceiver: Circuits, Pinout, and Datasheet

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Published: 22 December 2021 | Last Updated: 22 December 2021

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MCP2551-E/P

MCP2551-E/P

Microchip Technology

8 Terminations 5V 8 Pin MCP2551 Receivers 1/1 Drivers/Receivers 1 Functions

Purchase Guide

8 Terminations 5V 8 Pin MCP2551 Receivers 1/1 Drivers/Receivers 1 Functions

The MCP2551 is an 8-pin DIP package high-speed CAN (Controller Area Network) transceiver. This article mainly introduces circuits, pinout, datasheet and other detailed information about Microchip Technology MCP2551.

This video will show you the CAN Communication with MCP2515, MCP2551 and AVR Microcontrollers.

CAN Communication with MCP2515, MCP2551 and AVR Microcontrollers

MCP2551 Description

The MCP2551 is an 8-pin DIP package high-speed CAN  (Controller Area Network) transceiver. This fault-tolerant CAN device acts as a link between the CAN protocol controller and the physical bus. The MCP2551  is a differential transmit and receive CAN  protocol controller that complies with all ISO-11898 specifications, including the 24V requirements. It will be capable of rates of up to 1 megabit per second. In most CAN  systems, each node requires a device to transform digital signals generated by the CAN controller into signals appropriate for transmission over the bus cabling (differential output). It also acts as a buffer between the CAN  controller and high voltage spikes on the CAN bus caused by external sources (EMI,  ESD , electrical transients). The MCP2551 CAN output can drive a minimum load of 45 ohm and can link up to 112 nodes.


MCP2551 Pinout

pinout.jpg

Pinout

Pin NamePin NumberDescription
1TXDTransmit Data Input
2VSSGround
3VDDSupply Voltage
4RXDReceive Data Output
5VREFReference Output Voltage
6CANLCAN Low-Level Voltage I/O
7CANHCAN High-Level Voltage I/O
8RSSlope-Control Input


MCP2551 CAD Model

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Symbol

footprint.png

Footprint

3D Model.jpg

3D Model

MCP2551 Features

• Supports 1 Mb/s operation

• Implements ISO-11898 standard physical layer requirements

• Suitable for 12V and 24V systems

• Externally-controlled slope for reduced RFI emissions

• Detection of ground fault (permanent Dominant) on TXD input

• Power-on Reset and voltage brown-out protection

• An unpowered node or brown-out event will not disturb the CAN bus

• Low current standby operation

• Protection against damage due to short-circuit conditions (positive or negative battery voltage)

• Protection against high-voltage transients

• Automatic thermal shutdown protection

• Up to 112 nodes can be connected

• High-noise immunity due to differential bus implementation

• Temperature ranges:

- Industrial (I): - 40°C to +85°C

- Extended (E): -40°C to +125°C


Specifications

Microchip Technology MCP2551-E/P technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology MCP2551-E/P.
  • Type
    Parameter
  • Factory Lead Time
    11 Weeks
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Through Hole
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Through Hole
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    8-DIP (0.300, 7.62mm)
  • Number of Pins
    8
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~125°C
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tube
  • Published
    1999
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e3
  • Pbfree Code

    The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.

    yes
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Number of Terminations
    8
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • Type
    Transceiver
  • Terminal Finish

    Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.

    Matte Tin (Sn)
  • Voltage - Supply

    Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.

    4.5V~5.5V
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    DUAL
  • Number of Functions
    1
  • Supply Voltage

    Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

    5V
  • Terminal Pitch

    The center distance from one pole to the next.

    2.54mm
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    MCP2551
  • Pin Count

    a count of all of the component leads (or pins)

    8
  • Operating Supply Voltage

    The voltage level by which an electrical system is designated and to which certain operating characteristics of the system are related.

    5V
  • Power Supplies

    an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage.?

    5V
  • Interface

    In electronic components, the term "Interface" refers to the point at which two different systems, devices, or components connect and interact with each other. It can involve physical connections such as ports, connectors, or cables, as well as communication protocols and standards that facilitate the exchange of data or signals between the connected entities. The interface serves as a bridge that enables seamless communication and interoperability between different parts of a system or between different systems altogether. Designing a reliable and efficient interface is crucial in ensuring proper functionality and performance of electronic components and systems.

    CAN, Serial
  • Nominal Supply Current

    Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.

    75mA
  • Max Supply Current

    Max Supply Current refers to the maximum amount of electrical current that a component can draw from its power supply under normal operating conditions. It is a critical parameter that ensures the component operates reliably without exceeding its thermal limits or damaging internal circuitry. Exceeding this current can lead to overheating, performance degradation, or failure of the component. Understanding this parameter is essential for designing circuits that provide adequate power while avoiding overload situations.

    75mA
  • Slew Rate

    the maximum rate of output voltage change per unit time.

    8.5 V/μs
  • Data Rate

    Data Rate is defined as the amount of data transmitted during a specified time period over a network. It is the speed at which data is transferred from one device to another or between a peripheral device and the computer. It is generally measured in Mega bits per second(Mbps) or Mega bytes per second(MBps).

    1 Mbps
  • Protocol

    In electronic components, the parameter "Protocol" refers to a set of rules and standards that govern the communication between devices. It defines the format, timing, sequencing, and error checking methods for data exchange between different components or systems. Protocols ensure that devices can understand and interpret data correctly, enabling them to communicate effectively with each other. Common examples of protocols in electronics include USB, Ethernet, SPI, I2C, and Bluetooth, each with its own specifications for data transmission. Understanding and adhering to protocols is essential for ensuring compatibility and reliable communication between electronic devices.

    CANbus
  • Number of Drivers/Receivers
    1/1
  • Duplex

    In the context of electronic components, "Duplex" refers to a type of communication system that allows for bidirectional data flow. It enables two devices to communicate with each other simultaneously, allowing for both sending and receiving of data at the same time. Duplex communication can be further categorized into two types: half-duplex, where data can be transmitted in both directions but not at the same time, and full-duplex, where data can be sent and received simultaneously. This parameter is crucial in networking and telecommunications systems to ensure efficient and effective data transmission between devices.

    Half
  • Receiver Hysteresis

    Receiver hysteresis is?commonly used to ensure glitch-free reception even when differential noise is present. This application report compares the noise immunity of the SN65HVD37 to similar devices available from competitors. Contents.

    200mV
  • Number of Receivers
    1
  • Height
    4.953mm
  • Length
    10.16mm
  • Width
    7.112mm
  • REACH SVHC

    The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.

    No SVHC
  • Radiation Hardening

    Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

    No
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
  • Lead Free

    Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.

    Lead Free
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Parts with Similar Specs

The three parts on the right have similar specifications to Microchip Technology & MCP2551-E/P.

MCP2551 Functional Block Diagram

block diagram.png

Functional Block Diagram


How to Build a CAN Transceiver Circuit with an MCP2551 Chip?

What is CAN bus ?

The CAN bus is utilized in a variety of applications, with automobiles being the most frequent. Many cars are equipped with a CAN bus, which allows them to communicate with one another.

The MCP2551 is a chip with eight pins. On the pinout part, the chip's pinout is shown.

The breadboard of the circuit above is shown below.

breadboard of the circuit.png

Breadboard of the Circuit


MCP2551 Test Circuit

TEST CIRCUIT FOR ELECTRICAL CHARACTERISTICS.png

Test Circuit for Electrical Characteristics

TEST CIRCUIT FOR AUTOMOTIVE TRANSIENTS.png

Test Circuit for Automotive Transients


MCP2551 vs TJA1050: Surface Mount, High-Speed CAN Transceivers

Both the TJA1050 and MCP2551 are commonly utilized, reliable transceivers that can be used for high-speed CAN communications.

The TJA1050 and MCP2551 are both excellent candidates for use in existing designs. Both components, in addition to having similar electrical properties, are available in SMT packages with almost identical profiles; thus, using either as a replacement part for earlier designs should suffice.


MCP2551 Alternatives

Part NumberDescriptionManufacturer
MCP2551-I/SNVAOTELECOMMUNICATION CIRCUITSInterface Circuit, PDSO8Microchip Technology Inc
MCP2551-I/SNTELECOMMUNICATION CIRCUITSDATACOM, INTERFACE CIRCUIT, PDSO8, 0.150 INCH, LEAD FREE, PLASTIC, SOIC-8Microchip Technology Inc
MCP2551-I/SNGTELECOMMUNICATION CIRCUITSDATACOM, INTERFACE CIRCUIT, PDSO8, 0.150 INCH, LEAD FREE, PLASTIC, SOIC-8Microchip Technology Inc


MCP2551 Applications

• Automotive

• CAN Interfaces


MCP2551 Package

package.png

Package

MCP2551 Manufacturer

Microchip Technology Incorporated is a leading manufacturer of smart, networked, and secure embedded control solutions. Customers may create optimal designs using the company's simple development tools and broad product choices, which reduce risk while lowering overall system costs and time to market. The company's technologies are used by over 120,000 clients in the industrial, automotive, consumer, aerospace and defense, communications, and computing sectors. Microchip Technology Inc., based in Chandler, Arizona, offers outstanding technical assistance as well as reliable delivery and quality.


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Datasheet PDF

Download datasheets and manufacturer documentation for Microchip Technology MCP2551-E/P.
Frequently Asked Questions

1.CAN SPI MCP2515 Arduino?

The MCP2515 Module includes an MCP2515 CAN controller, which is a high-speed CAN transceiver. SPI is used to connect the MCP2515 to the MCU. As a result, it's simple to connect to any microcontroller with an SPI interface. This module is a wonderful place to start for beginners who wish to learn about CAN Bus.

2.CAN bus shield V2 adopts MCP2515 and MCP2551?

The MCP2515 CAN-BUS controller and MCP2551 CAN transceiver are still used in the CAN-BUS Shield V2. By exchanging jumpers on the DB9 interface, you can choose between OBD-II and CAN standard pinouts; OBD-II is the default. A TF card slot has been added for data storage, and the CS pin can now be changed to D4 or D5.

3.How do CAN bus system work?

"Nodes" are the devices that make up a CAN bus. Each node is made up of a CPU, a CAN controller, and a transceiver that adjusts the signal levels of data broadcast and received. Data can be sent and received by all nodes, but not at the same time. Data cannot be sent directly between nodes.
MCP2551-E/P

Microchip Technology

In Stock: 8000

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