TJA1051T/3/1 - High-Speed CAN Transceiver | NXP | 8-SO
MPN: TJA1051T/3/1 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.36 | $0.36 |
| 10 | $0.32 | $3.20 |
| 100 | $0.28 | $28.00 |
| 500 | $0.25 | $125.00 |
| 1,000 | $0.22 | $220.00 |
Drop-in alternatives for TJA1051T/3/1 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
TJA1051T/3
β Drop-Inπ Reference alternative (not in catalog)
TJA1051T/3/1J
β Drop-Inπ Reference alternative (not in catalog)
TJA1051T/3,118
β Drop-Inπ Reference alternative (not in catalog)
TJA1051T
β Drop-Inπ Reference alternative (not in catalog)
TCAN1051-Q1
β Drop-Inβ In Stock
$1.05 / Unit
View Datasheet βTLE9251V
β Drop-Inπ Reference alternative (not in catalog)
TJA1051T/3/1 Maximum Ratings & Electrical Characteristics
| Protocol | CAN / CAN FD |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| Supply Voltage | 4.5 V to 5.5 V |
| VIO Supply Voltage | 3 V to 5 V |
| Data Rate | Up to 1 Mbit/s (classical CAN), CAN FD capable |
| Package | 8-SO (SOIC-8) |
| Operating Temperature | -40Β°C to +125Β°C |
| AEC-Q100 | Qualified |
| ESD Protection | Β±8 kV HBM (per IEC 61000-4-2) |
| EMC Performance | Improved vs. previous generation |
| Silent Mode | Yes (via S pin) |
| Ideal Passive Behavior | Yes (when supply off) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
TJA1051T/3/1 Pin Configuration
| Pin 1 | TXD β Transmit data input |
| Pin 2 | GND β Ground |
| Pin 3 | VCC β Supply voltage (4.5V-5.5V) |
| Pin 4 | RXD β Receive data output |
| Pin 5 | VIO β I/O level reference for microcontroller interface |
| Pin 6 | S β Silent mode control (active low) |
| Pin 7 | CANH β CAN high bus line |
| Pin 8 | CANL β CAN low bus line |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TJA1051T/3/1 is suitable for 6 applications: Body Control Module, Gateway Module, Engine Control Unit, Industrial Automation, Battery Management System, Charging Station.
Body Control Module
The TJA1051T/3/1 is ideal for body control modules (BCMs) in automotive systems, where it provides reliable CAN communication between the central controller and distributed nodes like lighting, windows, and door locks. Its AEC-Q100 qualification ensures operation in harsh automotive environments, and the VIO pin allows direct connection to 3.3V microcontrollers commonly used in BCMs. The device's low quiescent current helps minimize battery drain when the vehicle is off, while its robust ESD protection (up to Β±8 kV HBM) safeguards against electrostatic discharge during assembly and operation. With data rates up to 1 Mbit/s, it supports the high-speed messaging required for real-time control, and its silent mode enables diagnostic functions without disturbing the bus.
Recommended
Gateway Module
In automotive gateway modules, the TJA1051T/3/1 serves as a physical layer interface for routing CAN messages between different vehicle networks, such as powertrain, chassis, and infotainment. Its high-speed capability (up to 1 Mbit/s) and CAN FD support enable efficient data transfer for modern vehicles with increased bandwidth demands. The device's ideal passive behavior when unpowered prevents bus loading during partial network shutdowns, which is critical for gateway power management. The VIO pin simplifies interfacing to the gateway's microcontroller, which may operate at 3.3V or 5V, eliminating the need for level shifters. Its robust EMC performance reduces the risk of signal integrity issues in the electrically noisy automotive environment.
Recommended
Engine Control Unit
The TJA1051T/3/1 is well-suited for engine control units (ECUs) that require reliable CAN communication for real-time engine management. Its operating temperature range of -40Β°C to +125Β°C covers the extreme conditions under the hood, and its AEC-Q100 qualification ensures long-term reliability. The device's high-speed data rate supports the rapid exchange of sensor and actuator data between the ECU and other vehicle systems. The silent mode feature allows the ECU to listen to the bus without transmitting, which is useful for diagnostics and bootloader operations. The VIO pin enables direct connection to the ECU's microcontroller, which may operate at 3.3V, reducing component count and board space.
Recommended
Industrial Automation
In industrial automation, the TJA1051T/3/1 provides robust CAN communication for programmable logic controllers (PLCs), sensors, and actuators in factory environments. Its improved EMC performance ensures reliable operation in electrically noisy industrial settings, and its ESD protection (up to Β±8 kV HBM) guards against static discharge from cabling and handling. The device's wide supply voltage range (4.5V to 5.5V) accommodates various industrial power rails, and the VIO pin allows interfacing with 3.3V microcontrollers commonly used in industrial control systems. The silent mode is useful for network diagnostics and configuration, while the ideal passive behavior prevents bus disruption during power-down sequences.
Recommended
Battery Management System
The TJA1051T/3/1 is used in battery management systems (BMS) for electric vehicles and energy storage systems, where it enables communication between battery monitoring ICs and the central BMS controller. Its low quiescent current is critical for minimizing battery drain in standby mode, and its AEC-Q100 qualification ensures reliability in automotive-grade BMS applications. The device's high-speed CAN capability supports the real-time monitoring of cell voltages and temperatures, while the VIO pin allows direct connection to 3.3V microcontrollers used in BMS designs. The silent mode is useful for isolating the BMS from the bus during maintenance, and the ideal passive behavior prevents bus loading when the BMS is powered down.
Recommended
Charging Station
The TJA1051T/3/1 is suitable for electric vehicle charging stations, where it provides CAN communication between the charging controller and the vehicle's battery management system. Its robust ESD protection and wide operating temperature range make it ideal for outdoor charging infrastructure. The device's high-speed data rate supports the exchange of charging status and control messages, while the VIO pin allows interfacing with 3.3V microcontrollers commonly used in charging station controllers. The silent mode is useful for diagnostics, and the ideal passive behavior ensures the transceiver does not load the CAN bus when the charging station is powered off, which is important for multi-station installations.
Recommended
Recommended Products Summary
Engineering reference data for TJA1051T/3/1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TJA1051T/3 | TJA1051T/3/1J | TCAN1051-Q1 | TLE9251V |
|---|---|---|---|---|---|
| Package | 8-SO | 8-SO | 8-SO | 8-SO | 8-SO |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Texas Instruments | Infineon |
| Supply Voltage | 4.5V-5.5V | 4.5V-5.5V | 4.5V-5.5V | 4.5V-5.5V | 4.5V-5.5V |
| VIO Range | 3V-5V | 3V-5V | 3V-5V | 3V-5V | 3V-5V |
| Data Rate | 1 Mbit/s (CAN FD capable) | 1 Mbit/s (CAN FD capable) | 1 Mbit/s (CAN FD capable) | 1 Mbit/s (CAN FD capable) | 1 Mbit/s (CAN FD capable) |
| AEC-Q100 | Qualified | Qualified | Qualified | Qualified | Qualified |
| Silent Mode | Yes | Yes | Yes | Yes | Yes |
| ESD Protection | Β±8 kV HBM | Β±8 kV HBM | Β±8 kV HBM | Β±8 kV HBM | Β±8 kV HBM |
Key Differentiators
- Dual-sourced manufacturing ( /1 suffix) (vs TJA1051T/3)
- VIO pin for direct 3V-5V microcontroller interface (vs TJA1051T)
- Improved EMC and ESD performance (vs TJA1050)
Design Notes
Place the TJA1051T/3/1 close to the CAN bus connector to minimize trace length and reduce EMI. Use a 100nF decoupling capacitor on VCC and a 10uF bulk capacitor for stable operation. The VIO pin should be connected to the microcontroller's supply voltage with a 100nF capacitor to ground to filter noise.
Ensure proper bus termination with 120 ohm resistors at both ends of the CAN bus to prevent signal reflections. Do not forget to connect the VIO pin; leaving it floating can cause undefined logic levels on TXD, RXD, and S pins. Also, avoid exceeding the absolute maximum ratings on CANH and CANL pins.
The TJA1051T/3/1 typically dissipates low power, but in high-temperature environments (up to 125Β°C), ensure adequate PCB copper area for heat dissipation. The SO-8 package has a thermal resistance of approximately 150Β°C/W; for high bus load conditions, consider adding thermal vias to the ground plane.
Compliance Information
AEC-Q100 qualified per NXP product page. RoHS compliant per distributor listings. Lead-free version is TJA1051T/3/1J.
