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MCP2544FDT-E/MNY

IC TXRX 8-TDFN

Part Number: MCP2544FDT-E/MNY

Manufacturer: Microchip Technology

Category: Drivers, Receivers, Transceivers

Package: 8-WFDFN Exposed Pad

Datasheet:: MCP2544FDT-E/MNY.pdf

Description: IC TXRX 8-TDFN

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

MCP2544FDT-E/MNY High-Speed CAN FD Transceiver with Wake-Up Pattern and AEC-Q100 Grade 0 Qualification

A comprehensive technical overview of the MCP2544FDT-E/MNY, a high-speed CAN FD transceiver from Microchip Technology designed for automotive and industrial applications up to 8 Mbps communication speed. Features 4.5V to 5.5V supply, 1.7V to 5.5V I/O interface, AEC-Q100 Grade 0 qualification, very low standby current of 5 µA, wake-up pattern detection, and an 8-pin TDFN (2x3) package. Covers device function, core features, electrical specifications, pin configuration, typical applications, and replacement selection guidance.

Microchip Technology 8-TDFN (2mm × 3mm) 4.5V to 5.5V

Device Classification High-Speed CAN FD Transceiver

Part Number: MCP2544FDT-E/MNY

Mounting Type: Surface Mount

Operating Temperature Range: -40°C to +125°C (Extended Grade)

PRODUCT OVERVIEW

What Is the MCP2544FDT-E/MNY?

MCP2544FDT-E/MNY is a high-speed CAN FD transceiver from Microchip Technology, designed for high-speed CAN FD applications up to 8 Mbps communication speed. The device meets the automotive requirements for CAN FD bit rates exceeding 2 Mbps, low quiescent current, electromagnetic compatibility (EMC), and electrostatic discharge (ESD) performance.

The MCP2544FDT-E/MNY supports both Classic CAN and CAN Flexible Data Rate applications, with optimized operation at 2, 5, and 8 Mbps. The device meets the latest ISO/DIS 11898-2:2015 specification and supports wake-up pattern detection. A V_IO supply pin allows direct interfacing to CAN controllers and microcontrollers with 1.7V to 5.5V I/O (internally connected to V_DD in the MCP2544FD variant).

The device features CAN bus pins that are disconnected when the device is unpowered, preventing an unpowered node or brown-out event from loading the CAN bus. Comprehensive protection includes ground fault detection (permanent dominant detection on TXD and on the bus), power-on reset and voltage brown-out protection on the V_DD pin, protection against short-circuit conditions (positive or negative battery voltage), protection against high-voltage transients in automotive environments, and automatic thermal shutdown protection.

The MCP2544FDT-E/MNY is AEC-Q100 Grade 0 qualified and available in an 8-pin TDFN (2x3) package with an exposed pad, rated for operation from –40°C to +125°C (Extended grade). The device is RoHS compliant, REACH unaffected, and in active production.

CAN FD up to 8 Mbps Supports both Classic CAN and CAN Flexible Data Rate applications, optimized for 2, 5, and 8 Mbps operation with improved maximum propagation delay for longer bus lengths.

AEC-Q100 Grade 0 Qualified Meets automotive requirements with extended –40°C to +125°C operation, robust EMC and ESD performance, and 13 kV ESD protection on the CAN bus pins.

Very Low Standby Current (5 µA) Standby current of 5 µA (typical) with wake-up pattern detection, plus comprehensive fault protection including TXD dominant timeout and thermal shutdown.

DEVICE HIGHLIGHTS

Key Features and Benefits of MCP2544FDT-E/MNY

AEC-Q100 Grade 0 Qualified

Qualified to AEC-Q100 Grade 0 automotive standards with Extended (–40°C to +125°C) and High (–40°C to +150°C) temperature options, robust EMC performance, and 13 kV ESD protection on CAN bus pins.

CAN FD up to 8 Mbps

Supports both Classic CAN and CAN FD applications, optimized for 2, 5, and 8 Mbps operation with improved maximum propagation delay to support longer bus lengths.

Very Low Standby Current (5 µA)

Standby current of 5 µA (typical) with wake-up pattern (WUP) detection, enabling low-power system operation in automotive and industrial applications.

Wide I/O Voltage Interface

V_IO supply pin interfaces directly to CAN controllers and microcontrollers with 1.7V to 5.5V I/O (internally connected to V_DD in the MCP2544FD variant).

Comprehensive Fault Protection

Ground fault detection (TXD dominant timeout, permanent dominant on bus), power-on reset and brown-out protection, short-circuit protection (positive/negative battery voltage), and automatic thermal shutdown.

Compact 8-Pin TDFN Package

2x3 mm TDFN-8L package with exposed pad, the industry's smallest package option, also available in SOIC-8L and 3x3 DFN-8L.

REFERENCE DATA

Technical Specifications for MCP2544FDT-E/MNY

Part Number	MCP2544FDT-E/MNY	Manufacturer	Microchip Technology
Device Type	High-Speed CAN FD Transceiver	Family	MCP2542FD / MCP2544FD
Protocol	CANbus (Classic CAN and CAN FD)	Data Rate (Max)	8 Mbps
Number of Drivers/Receivers	1/1	Duplex	Half
Supply Voltage (V_DD)	4.5V to 5.5V	I/O Supply Voltage (V_IO)	1.7V to 5.5V (Internally Connected to V_DD)
Standby Current	5 µA (Typical)	Supply Current	55 mA (Max)
Receiver Hysteresis	200 mV	ESD Protection (CAN Bus)	13 kV
Standby Mode	Yes (STBY Pin)	Wake-Up Pattern	Supported
TXD Dominant Timeout	Yes	Thermal Shutdown	Yes
Bus Fault Protection	Short-Circuit (Positive/Negative Battery), High-Voltage Transient	Unpowered Node Protection	CAN Bus Pins Disconnected When Unpowered
Package / Case	8-WFDFN Exposed Pad (2mm × 3mm)	Supplier Device Package	8-TDFN (2x3)
Pin Count	8	Mounting Type	Surface Mount
Operating Temperature (E-Grade)	-40°C to +125°C	Operating Temperature (H-Grade)	-40°C to +150°C
AEC-Q100 Qualification	Grade 0	RoHS	ROHS3 Compliant
REACH Status	REACH Unaffected	MSL Level	MSL 1 (Unlimited)
ECCN	EAR99	HTSUS	8542.39.0090
Product Status	Active	Packaging	Tape & Reel (3,300 per Reel)

Electrical values shown above are reference values. Test conditions, limits, and guaranteed performance should always be confirmed from the current official manufacturer datasheet before design or production use.

DESIGN REFERENCE

Circuit Considerations for MCP2544FDT-E/MNY

Mode Control & Wake-Up Configuration

The MCP2544FDT-E/MNY offers flexible mode control and wake-up configuration:

Normal Mode (STBY = Low): The transceiver operates normally, transmitting data from TXD to the CAN bus and receiving data from the CAN bus to RXD.
Standby Mode (STBY = High): The transmitter is disabled and the receiver operates in a low-power state, monitoring the bus for a valid wake-up pattern (WUP). Standby current is typically 5 µA.
Wake-Up Pattern (WUP): The device supports wake-up pattern detection. When a valid WUP is detected on the CAN bus in Standby mode, the device can wake up the system (depending on configuration).
V_IO Interface: In the MCP2544FD variant, V_IO is internally connected to V_DD, so the I/O levels are referenced to V_DD (4.5V to 5.5V). For direct interfacing to lower-voltage controllers, consider the MCP2542FD variant with an external V_IO pin.
TXD Dominant Timeout: If TXD is held low (dominant) longer than the timeout period, the transmitter is disabled to prevent the CAN bus from being permanently dominated.

PCB and System-Level Guidance

CAN transceiver performance depends on layout and component selection:

Power Supply Decoupling: Place a 0.1µF ceramic bypass capacitor close to the V_DD pin for stable operation. If using the MCP2542FD variant with V_IO, decouple both pins.
CAN Bus Termination: A 120Ω split termination is recommended for CAN bus networks. The split capacitor should be connected to ground.
Bus Protection: The device includes protection against short-circuit conditions (positive or negative battery voltage) and high-voltage transients. External transient voltage suppressors (TVS) may be added for harsh environments.
Exposed Pad: The exposed pad on the TDFN package should be soldered to the PCB ground plane for thermal performance.
STBY Pin: Do not float the STBY pin. Tie it to a defined logic level (low for normal mode, high for standby mode). If standby is not used, tie STBY to GND.
Verify the recommended PCB footprint from the official datasheet prior to production.

8-LEAD TDFN (2mm × 3mm)

Pin Configuration Reference for MCP2544FDT-E/MNY

MCP2544FD

TDFN TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The TDFN package has 8 pins with a 2mm × 3mm body size and an exposed pad. The exposed pad should be connected to ground for thermal performance.

1 TXD Transmit Data Input - Connect to CAN Controller TXD; Internal Pull-Up to V_DD (Nominal 33 kΩ)

2 V_SS Ground

3 V_DD Supply Voltage - 4.5V to 5.5V; Decouple to V_SS with 0.1µF Ceramic Capacitor

4 RXD Receive Data Output - Connect to CAN Controller RXD; Push-Pull Output

5 V_IO I/O Supply - Internally Connected to V_DD in MCP2544FD; No External Connection Required

6 CANL CAN Bus Low - Connect to CAN Bus Low Line

7 CANH CAN Bus High - Connect to CAN Bus High Line

8 STBY Standby Control Input - Low = Normal Mode, High = Standby Mode; Do Not Float

EP Exposed Pad Thermal Pad - Connect to Ground Plane for Thermal Performance

APPLICATION AREAS

Typical Applications for MCP2544FDT-E/MNY

Automotive CAN FD Networks

AEC-Q100 Grade 0 qualified for high-speed CAN FD networks in automotive body control, powertrain, and ADAS applications up to 8 Mbps.

Industrial Automation

Robust fault protection and wide temperature range suit industrial CAN bus networks in factory automation and process control.

Heavy Machinery and 24V Systems

Suitable for 12V and 24V systems with protection against positive or negative battery voltage short-circuit conditions.

Electric Vehicles (EV/HEV)

High-speed CAN FD communication and low standby current support EV/HEV battery management and powertrain control networks.

Space-Constrained Designs

2x3 mm TDFN-8L package is the industry's smallest package option for CAN FD transceivers, ideal for compact automotive modules.

Harsh Environment Applications

Robust EMC performance, 13 kV ESD protection, and high-voltage transient protection suit harsh automotive and industrial environments.

REPLACEMENT GUIDANCE

Selecting an Alternative for MCP2544FDT-E/MNY

A replacement for the MCP2544FDT-E/MNY should not be selected solely by product category. The electrical characteristics, package, and pin configuration must be evaluated against the specific circuit requirements. The following alternatives are documented in the official Microchip product pages and datasheets.

Protocol: CAN FD (up to 8 Mbps)

Supply voltage: 4.5V–5.5V

Drivers/Receivers: 1/1

Standby current: 5 µA

Receiver hysteresis: 200 mV

Package: 8-TDFN (2x3)

Temperature range: –40°C to 125°C (E-Grade)

AEC-Q100: Grade 0

Pin-to-pin and functionally compatible alternatives (same family, different temperature grade, package, or features):

Part Number	Package	Temperature Range	Key Difference
MCP2544FDT-E/MNY	8-TDFN (2x3)	–40°C to +125°C (E-Grade)	-
MCP2544FDT-H/MNY	8-TDFN (2x3)	–40°C to +150°C (H-Grade)	Extended High-Temperature Range
MCP2544FDT-E/SN	8-SOIC	–40°C to +125°C (E-Grade)	Different Package (SOIC-8L)
MCP2542FDT-E/MNY	8-TDFN (2x3)	–40°C to +125°C (E-Grade)	Separate V_IO Pin for 1.7V–5.5V I/O
MCP2544WFDT-E/MNY	8-TDFN (2x3)	–40°C to +125°C (E-Grade)	Wake-Up Pattern Option (WFD Variant)

All alternative part numbers listed above are documented in the official Microchip product pages and datasheets. The MCP2544FDT-E/MNY is the Extended-grade (–40°C to +125°C) version in an 8-lead TDFN (2x3) package with tape-and-reel packaging (3,300 units per reel). For High-grade (–40°C to +150°C) operation in the same package, consider MCP2544FDT-H/MNY. For the SOIC-8L package option, consider MCP2544FDT-E/SN. For applications requiring a separate V_IO pin to interface with lower-voltage controllers (1.7V–5.5V), consider the MCP2542FDT-E/MNY. Select based on temperature grade, package, and I/O voltage requirements.

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MANUFACTURER INFORMATION

Microchip Technology

The MCP2544FDT-E/MNY belongs to the MCP2542FD/4FD and MCP2542WFD/4WFD family of CAN FD transceivers from Microchip Technology. The family is designed for high-speed CAN FD applications up to 8 Mbps communication speed, meeting automotive requirements for CAN FD bit rates exceeding 2 Mbps, low quiescent current, electromagnetic compatibility (EMC), and electrostatic discharge (ESD). The devices support both Classic CAN and CAN FD, meet the latest ISO/DIS 11898-2:2015 specification, and feature a V_IO supply pin for direct interfacing to controllers with 1.7V to 5.5V I/O. The family is AEC-Q100 Grade 0 qualified and available in SOIC-8L, 3x3 DFN-8L, and 2x3 TDFN-8L packages.

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Technical Information Disclaimer

This technical guide is provided for product identification and preliminary reference only. Electrical limits, package dimensions, pin configuration, product status, and application suitability must be verified using current official manufacturer documentation before design, procurement, or production.

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Specifications

Product Attribute: Attribute Value

Part Number: MCP2544FDT-E/MNY

Manufacturer: Microchip Technology

Package: 8-WFDFN Exposed Pad

Series: -

Package/Case: 8-WFDFN Exposed Pad

Packaging: Tape & Reel (TR)

Product Status: Active

Type: Transceiver

Protocol: CANbus

Number of Drivers/Receivers: 1/1

Duplex: -

Receiver Hysteresis: 200 mV

Data Rate: 8Mbps

Voltage - Supply: 4.5V ~ 5.5V

Operating Temperature: -40°C ~ 125°C

Grade: -

Qualification: -

Mounting Type: Surface Mount

Supplier Device Package: 8-TDFN (2x3)

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MCP2544FDT-E/MNY Procurement and Technical Support

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Part Number: MCP2544FDT-E/MNY

Manufacturer: Microchip Technology

Package: 8-WFDFN Exposed Pad

Category: Drivers, Receivers, Transceivers

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