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Introduction Of TCAN4550RGYRQ1

Auth: Date:2026/8/6 Source:WECHIP Visit:1 Related Key Words: CAN FD Controller CAN Transceiver Automotive Interface IC CAN Bus IC Automotive CAN FD

Ⅰ.Overview of TCAN4550RGYRQ1

The TCAN4550RGYRQ1 is a highly integrated automotive CAN FD communication device that combines a CAN FD controller and transceiver in a single chip. It enables microprocessors without built-in CAN FD capability to communicate through CAN networks using an SPI interface. With strong protection features, automotive-grade reliability and low-power operating modes, it is widely used in modern vehicle communication systems and industrial networks.

 

 

. TCAN4550RGYRQ1 Parameter

Category: Integrated Circuits (ICs) Specialized ICs

Mounting Type: Surface Mount, Wettable Flank

Manufacturer: Texas Instruments

Package / Case: 20-VFQFN Exposed Pad

Packaging: Tape & Reel (TR) Cut Tape (CT) Digi-Reel®

Supplier Device Package: 20-VQFN (3.5x4.5)

Part Status: Active

Grade: Automotive

DigiKey Programmable: Not Verified

Qualification: AEC-Q100

Type: CAN FD Controller

Base Product Number: TCAN4550                                         

 

 

. TCAN4550RGYRQ1 Characteristics

Integrated CAN FD Controller and Transceiver: The device integrates both CAN FD protocol controller and physical layer transceiver, reducing external components and simplifying system design.

High-Speed CAN FD Communication: Supports CAN FD communication with data rates up to 8 Mbps, providing higher bandwidth compared with traditional CAN networks.

SPI Interface Support: The device communicates with the host processor through SPI, allowing processors without native CAN FD peripherals to access CAN networks.

Automotive Grade Reliability: Qualified for automotive applications with AEC-Q100 Grade 1, supporting operation from -40°C to +125°C, suitable for demanding vehicle environments.

Strong Protection Features

The device integrates protection functions including bus fault protection, failsafe operation and abnormal voltage protection to improve CAN network reliability.

 Low Power Operating Modes

Supports normal, standby and sleep modes, helping reduce energy consumption in automotive systems that require low-power operation.

 

 

. TCAN4550RGYRQ1 Application

Automotive ECU Systems: Used in electronic control units (ECUs) for communication between vehicle modules such as body control, powertrain and safety systems.

Advanced Driver Assistance Systems (ADAS): Provides reliable CAN FD communication for sensors, cameras and intelligent driving control modules.

Electric Vehicle Systems: Used in EV battery management systems, charging systems and vehicle control networks.

Industrial Automation

Provides CAN FD connectivity for industrial controllers, robotics and automation equipment.

Communication Gateways: Used in automotive gateways and embedded communication modules requiring CAN FD expansion.

 

 

.Conclusion

The TCAN4550RGYRQ1 combines CAN FD controller, transceiver integration, automotive-grade reliability and strong protection features, making it an ideal solution for modern vehicle networks and industrial communication systems.

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