TJA1055 – Enhanced fault-tolerant CAN transceiver

TJA1055T/1J – Enhanced Fault-Tolerant CAN Transceiver – NXP Semiconductors

The TJA1055T/1J from NXP Semiconductors is an advanced fault-tolerant CAN transceiver IC designed for robust communication in electrically harsh environments. Engineered to exceed ISO 11898 standards, this surface-mount component delivers reliable data transmission with exceptional EMI performance and advanced error detection. PCX guarantees authentic NXP components with same-day shipping and dedicated technical support.

Key Features

• Protocol: CANbus 2.0A/B compliant
• Voltage Supply: 4.75V–5.25V (5V operation)
• Temperature Range: -40°C to +125°C (automotive-grade)
• Fault Tolerance: Supports bus wire shorts to battery/ground
• Interface: 1 driver/1 receiver with half-duplex operation
• Package: 14-SOIC (3.90mm width)

Technical Details

This CAN transceiver features a differential receiver with wide common-mode range (±35V), ensuring signal integrity in noisy industrial settings. Its integrated fail-safe circuitry detects bus line faults while minimizing electromagnetic emissions. The device operates in half-duplex mode and includes thermal protection with automatic shutdown. Surface-mount design (14-SO package) enables compact PCB integration for space-constrained applications.

Typical Applications

• Automotive control systems (ECUs, sensors)
• Industrial automation networks
• Medical device communication buses
• Building management systems
• HVAC and power distribution controls

About NXP Semiconductors

NXP Semiconductors is a global leader in automotive and industrial connectivity solutions, renowned for innovation in secure embedded systems. With over 60 years of industry expertise, NXP drives advancements in IoT, vehicle networking, and safety-critical applications through rigorous quality standards and cutting-edge semiconductor technology.

The company’s CAN transceivers set industry benchmarks for reliability, with AEC-Q100 qualified components trusted by major automotive OEMs worldwide. NXP’s commitment to functional safety (ISO 26262) ensures dependable performance in mission-critical environments where zero-failure tolerance is paramount.

About CAN Transceivers

Controller Area Network (CAN) transceivers serve as physical layer interfaces between microcontrollers and CAN bus lines, converting digital signals to differential voltages for noise-immune data transmission. These ICs are fundamental in creating robust serial communication networks capable of operating in electrically noisy environments like vehicles or factories.

Modern CAN transceivers like the TJA1055 series incorporate advanced features including electromagnetic compatibility (EMC) optimization, passive behavior in shutdown mode, and enhanced fault diagnosis. Their ability to maintain communication during voltage fluctuations or wiring faults makes them indispensable for safety-critical systems requiring continuous operation.

Packaging Options

Available in industry-standard formats: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel®. Specify preferred packaging at checkout.

FAQs

Question: Is this CAN transceiver AEC-Q100 qualified?
Answer: Yes, the TJA1055T/1J meets AEC-Q100 Grade 1 standards for automotive applications.

Question: What’s the maximum data rate supported?
Answer: It supports CAN FD flexible data rates up to 5 Mbps.

Question: Does it include bus failure diagnostics?
Answer: Yes, integrated fault detection identifies shorts to VBAT, GND, or between CAN lines.

Question: Is this compatible with 3.3V microcontrollers?
Answer: The transceiver operates at 5V but features TTL-compatible inputs for direct 3.3V/5V MCU interfacing.

Question: What’s the typical standby current consumption?
Answer: In sleep mode, typical supply current is 10µA for power-sensitive designs.

Question: Are evaluation boards available for this IC?
Answer: NXP offers dedicated development kits; contact PCX support for evaluation hardware options.

Call to Action: Ensure reliable CAN bus performance – order genuine TJA1055T/1J transceivers from PCX today for same-day shipment!

Product image is representational only. Refer to datasheet for exact specifications. Download datasheet.