Overview
The MCP2561T-E/SN is a high-speed CAN (Controller Area Network) transceiver from Microchip . Compliant with the ISO 11898-2 (CAN 2.0A/B) standard , it is designed for automotive electronics, industrial control, and communication network systems. This device implements the physical layer communication conversion for the CAN bus, connecting a CAN controller (MCU or SoC) to the two-wire CAN bus (CANH, CANL) , supporting communication rates up to 1Mbps .
The MCP2561T-E/SN utilizes an electromagnetic interference (EMI)-resistant design and features bus fault protection, thermal shutdown, and undervoltage detection , ensuring stable communication even in complex electromagnetic environments. Housed in a SOIC-8 package , the device combines compact size with industrial-grade reliability, making it an ideal choice for in-vehicle and embedded systems.
Core parameters
Parameter | Numerical |
Protocol Standards | ISO 11898-2 (CAN 2.0A/B compatible) |
Communication rate | Up to 1Mbps |
Operating voltage range | 4.5V ~ 5.5V |
Standby current (Sleep mode) | 5µA (typical) |
Bus input voltage protection | ±40V (surge protection) |
Electrostatic Discharge (ESD) protection level | ±8kV (HBM) |
Differential output voltage | 1.5V ~ 3.0V |
Logic input level | TTL/CMOS compatible |
Protection function | Thermal shutdown, undervoltage detection, bus short circuit protection |
Package Type | SOIC-8 |
Operating temperature range | –40°C to +125°C (Automotive Grade) |
Environmental standards | RoHS compliant / lead-free |
Features
High-speed communication capability in accordance with CAN standards
Supports bus rates up to 1Mbps and is fully compatible with CAN 2.0A/B protocols.
Low power standby mode
Standby current is as low as 5µA, making it suitable for vehicle sleep mode and low-power industrial systems.
Enhanced anti-interference design
It has common-mode voltage suppression and anti-electromagnetic radiation (EMI) characteristics , and can maintain stable communication in harsh environments.
Built-in protection circuit
Contains bus short-circuit protection, thermal shutdown, and undervoltage detection to prevent damage caused by electrical anomalies.
Robust bus fault tolerance
The bus pins can withstand ±40V voltage surges, meeting the stringent standards of automotive electronics.
Typical application scenarios
Automotive electronic systems
Body control module (BCM), engine control unit (ECU), battery management system (BMS), instrument communication.
Industrial Automation
Industrial controllers, sensor nodes, CANopen networks.
Building and Energy Systems
Smart lighting and energy monitoring equipment.
Medical and transportation equipment
Medical equipment, intelligent traffic control terminals.
Robotics and Unmanned Systems
Robot control network and unmanned vehicle communication interface.
Performance Comparison
Index | MCP2561T-E/SN | TJA1050 (NXP) |
Communication rate | 1Mbps | 1Mbps |
Operating voltage range | 4.5V ~ 5.5V | 4.75V ~ 5.25V |
Standby power consumption | 5µA (typical) | 200µA |
Bus surge protection | ±40V | ±36V |
Thermal protection/undervoltage protection | support | support |
Electrostatic protection capability (HBM) | ±8kV | ±6kV |
Operating temperature range | -40°C to +125°C | -40°C to +125°C |
Compared to the traditional TJA1050, the MCP 2561T-E/SN has lower power consumption, higher surge protection capability and a wider voltage operating range , making it an ideal alternative for the next generation of CAN applications.
Manufacturer: Microchip Technology Inc.
Microchip is a leading global provider of embedded control and communication solutions. Its CAN transceiver family is renowned for its high reliability, low power consumption, and industrial-grade durability . The MCP2561 series is a high-performance CAN PHY chip designed for automotive and industrial applications, meeting the AEC-Q100 automotive-grade certification standard.
Why choose the MCP2561T-E/SN?
● Fully compatible with ISO 11898-2 CAN standard
● 1Mbps high-speed communication + excellent EMI suppression
● Low power standby mode (5µA)
● Bus ±40V protection + ESD ±8kV
● Thermal shutdown and undervoltage protection mechanisms
●–40°C ~ +125°C industrial/automotive grade operating range
● Microchip long-term supply guarantee
Frequently Asked Questions (FAQ)
Q1: Is the MCP2561T-E/SN compatible with the MCP2551?
Yes . The MCP2561 is a low-power, improved alternative to the MCP2551, with full pin, function, and communication protocol compatibility , allowing for seamless replacement in most applications.
Q2: Does it support CAN FD (Flexible Data Rate)?
No. The MCP2561 only supports Classic CAN (CAN 2.0A/B) , with a maximum data bandwidth of 1Mbps.
If CAN FD is required, use the MCP2562FD or other FD-compatible models in the same series.
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