Microchip Technology MCP2562FD-E/SN

Overview

MCP2562FD-E/SN from Microchip Technology Inc. is a high-speed CAN FD transceiver designed for automotive and industrial networks requiring flexible data rates up to 8 Mbps. It features VIO pin for 1.8V–5.5V digital I/O level shifting, 120 ns max propagation delay, ±14 kV ESD protection on CANH/CANL, and operates across –40°C to +125°C. It serves as the physical layer interface between CAN controllers and differential bus lines in battery-powered ECUs.

For engineers reviewing the MCP2562FD-E/SN datasheet, MCP2562FD-E/SN pinout, MCP2562FD-E/SN application, or MCP2562FD-E/SN equivalent, key selection criteria include CAN FD bit-rate support (2/5/8 Mbps), loop delay symmetry guarantee, standby current (5 µA typ), VIO-supplied RXD/TXD logic compatibility, and ISO-11898-2/5 compliance for automotive deployment.

Technical Context

The MCP2562FD-E/SN implements a fault-tolerant, high-speed differential transceiver architecture with separate VDD (4.5–5.5 V) and VIO (1.8–5.5 V) supplies, enabling direct interfacing with low-voltage microcontrollers. Its transmitter supports dominant/recessive state switching with <120 ns TXD-to-bus and bus-to-RXD propagation delays, and guarantees loop delay symmetry critical for CAN FD timing integrity at 5 Mbps and 8 Mbps.

It integrates permanent dominant detection (1.25 ms timeout), thermal shutdown (175°C nominal), undervoltage lockout on both VDD (4.0 V threshold) and VIO (1.2 V threshold), and automatic bus disconnection when unpowered. The device lacks SPLIT pin functionality-exclusive to MCP2561FD-and instead uses VIO to supply RXD, TXD, and STBY pins independently of VDD.

Key Specifications

Pinout & Package

Package: SOIC-8L (300 mil), RoHS-compliant, lead-free matte tin finish, exposed pad not present (unlike DFN variant).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar CAN FD transceiver applications.

Compared with MCP2562FD-E/SN, MCP2561FD-E/SN eliminates VIO support but adds SPLIT functionality for improved EMC in split-termination schemes, while TJA1043T/3/1J trades lower quiescent current for enhanced wake-up intelligence - making MCP2562FD-E/SN optimal for mixed-voltage, low-power CAN FD nodes.

Availability

MCP2562FD-E/SN is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC gateways, EV battery management systems, and off-highway telematics requiring stable component supply across extended temperature and high-reliability operating conditions.

Supply support for MCP2562FD-E/SN includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Microchip Technology Inc. is a U.S.-based semiconductor manufacturer specializing in microcontrollers, analog devices, and connectivity solutions for automotive, industrial, and IoT markets.

The MCP2562FD belongs to Microchip's CAN FD transceiver product line, engineered specifically for next-generation automotive networks demanding higher bandwidth, lower power, and enhanced electromagnetic robustness beyond classical CAN.

FAQ

What is the maximum CAN FD data rate supported by the MCP2562FD-E/SN?

The MCP2562FD-E/SN supports CAN FD operation at up to 8 Mbps, with guaranteed loop delay symmetry at 2 Mbps, 5 Mbps, and 8 Mbps. This enables high-throughput firmware downloads and real-time sensor streaming in modern vehicle architectures. The device's 120 ns maximum propagation delay ensures timing compliance even on extended bus topologies.

Does the MCP2562FD-E/SN require an external SPLIT pin connection?

No, the MCP2562FD-E/SN does not include a SPLIT pin - that feature is exclusive to the MCP2561FD variant. Instead, MCP2562FD-E/SN uses a VIO pin to decouple digital I/O supply from the transceiver's VDD rail. Designers using MCP2562FD-E/SN must implement alternative common-mode stabilization, such as external bias resistors or common-mode chokes.

What is the purpose of the VIO pin on the MCP2562FD-E/SN?

The VIO pin on the MCP2562FD-E/SN supplies power to the TXD, RXD, and STBY digital I/O pins, allowing independent operation from the VDD rail. This enables direct interfacing with 1.8 V, 3.3 V, or 5 V CAN controllers without external level shifters. VIO accepts 1.8 V to 5.5 V, and RXD output remains valid down to 1.8 V VIO.

How does the MCP2562FD-E/SN handle undervoltage conditions on VDD and VIO?

The MCP2562FD-E/SN includes independent undervoltage detection on both VDD (threshold ~4.0 V) and VIO (threshold ~1.2 V). If either supply drops below its threshold, the device forces CANH/CANL into high-impedance and disables transmitter operation. In Normal mode, RXD is forced recessive; in Standby mode, the low-power receiver remains active only when both supplies exceed their thresholds.

Is the MCP2562FD-E/SN pin-compatible with the MCP2561FD-E/SN?

No, the MCP2562FD-E/SN is not pin-compatible with the MCP2561FD-E/SN. While both use SOIC-8L packaging, Pin 5 is VIO on MCP2562FD-E/SN but SPLIT on MCP2561FD-E/SN. Swapping them without PCB revision will cause functional failure - VIO misconnected to SPLIT net disrupts digital I/O operation and removes common-mode stabilization.