TCAN1051-Q1 - Automotive Fault-Protected CAN FD Transceiver | Texas Instruments
MPN: TCAN1051-Q1 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.6 | $16.00 |
| 100 | $1.35 | $135.00 |
| 500 | $1.2 | $600.00 |
| 1,000 | $1.05 | $1,050.00 |
Drop-in alternatives for TCAN1051-Q1 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:
TCAN1051DQ1
β Drop-Inπ Reference alternative (not in catalog)
TCAN1051G-Q1
β Drop-Inπ Reference alternative (not in catalog)
TCAN1051HVDRQ1
β Drop-Inπ Reference alternative (not in catalog)
TCAN1042GVDRQ1
β Drop-Inβ In Stock
$0.349 / Unit
View Datasheet βTJA1051T/3/1
β Drop-Inβ In Stock
$0.22 / Unit
View Datasheet βTLE9251V
β Drop-Inπ Reference alternative (not in catalog)
NCV7342
β Drop-Inπ Reference alternative (not in catalog)
TCAN1051-Q1 Maximum Ratings & Electrical Characteristics
| Type | CAN Transceiver |
| Protocol | ISO 11898-2 (2016) High-Speed CAN |
| Data Rate (base) | Up to 2 Mbps |
| Data Rate (G suffix) | Up to 5 Mbps |
| Secondary I/O Supply (V suffix) | Yes - secondary power supply input for I/O voltage |
| Fault Protection | High on-chip IEC ESD protection; external TVS optional |
| Package | 8-SOIC |
| Mounting Type | Surface Mount |
| Qualification | Automotive (AEC-Q100) |
| Supply Voltage (VCC) | [DATA_NEEDED: Supply Voltage (VCC)] |
| Operating Temperature Range | [DATA_NEEDED: Operating Temperature Range] |
| Standby/Silent Current | [DATA_NEEDED: Standby/Silent Current] |
| Bus Fault Voltage | [DATA_NEEDED: Bus Fault Voltage] |
| ESD Rating | [DATA_NEEDED: ESD Rating] |
| Number of Drivers/Receivers | 1/1 |
| Function | Fault-protected CAN transceiver with flexible data-rate and sleep mode |
| RoHS | Compliant |
TCAN1051-Q1 Pin Configuration
| Pin 1 | TXD β Driver input from MCU |
| Pin 2 | GND β Ground |
| Pin 3 | VCC β Supply voltage |
| Pin 4 | RXD β Receiver output to MCU |
| Pin 5 | VIO β I/O supply reference (V variants); NC for non-V |
| Pin 6 | CANL β CAN low bus line |
| Pin 7 | CANH β CAN high bus line |
| Pin 8 | S β Silent mode control input |
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
TCAN1051-Q1 is suitable for 6 applications: Automotive Body Electronics, Battery Management Systems, Industrial Automation, Powertrain Control, On-Board Diagnostics (OBD-II), Infotainment and Telematics.
Automotive Body Electronics
TCAN1051-Q1 provides the physical CAN interface for body control modules (BCM), door/seat modules, and lighting controllers. Its high on-chip IEC ESD protection and fault tolerance to bus transients ensure reliable communication in the harsh automotive electrical environment. The device's silent mode helps reduce current draw when the vehicle is parked. Recommended companion MCU: TMS320F280040C-Q1 for CAN communication.
Recommended
Battery Management Systems
BMS topologies use CAN to transmit cell voltage, temperature, and state-of-charge data between battery management ICs and the main ECU. TCAN1051-Q1's AEC-Q100 qualification and ISO 11898-2 compliance make it suitable for automotive BMS nodes. It supports up to 2 Mbps CAN FD, allowing faster data transfer. Pair with BQ79616PAPRQ1 battery monitor for a complete solution.
Recommended
Industrial Automation
In industrial robots, PLCs, and factory automation, CAN networks connect sensors and actuators over a robust differential bus. TCAN1051-Q1's fault protection and wide operating temperature handle noisy industrial environments. While not specified for industrial temperature, the automotive qualification implies robust performance. Recommended companion: ISO1042 isolated CAN transceiver for galvanic isolation.
Recommended
Powertrain Control
Powertrain ECUs (engine, transmission, hybrid) require fault-tolerant CAN transceivers for real-time control. TCAN1051-Q1 meets ISO 11898-2:2016, supports 2 Mbps CAN FD for high-throughput parameter exchange, and has silent mode for diagnostics. Its SOIC-8 package is small enough for dense ECU layouts. Recommended MCU: TMS320F280037C-Q1 with integrated CAN controller.
Recommended
On-Board Diagnostics (OBD-II)
OBD-II systems use the CAN bus for emissions and diagnostics. TCAN1051-Q1 is an ideal physical-layer PHY due to its compliance with automotive CAN standards and high ESD protection. It can operate in silent mode during diagnostic sessions to avoid disrupting vehicle communication. Recommended companion: TJA1051T/3/1 or TCAN1051 variants for dual-bus designs.
Recommended
Infotainment and Telematics
Infotainment head units and telematics modems use CAN for communication with vehicle displays, audio systems, and connectivity modules. TCAN1051-Q1's flexible data rate supports high-speed data streaming, while its automotive qualification ensures reliability. The V-suffix variant with VIO allows interfacing with 3.3V application processors. Recommended companion: AM62A1-Q1 automotive SoC.
Recommended
Recommended Products Summary
Engineering reference data for TCAN1051-Q1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TCAN1042GVDRQ1 | TJA1051T/3/1 | TLE9251V |
|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | Texas Instruments | Texas Instruments | NXP Semiconductors | Infineon |
| Data Rate | Up to 2 Mbps (5 Mbps with G suffix) | Up to 5 Mbps | Up to 1 Mbps | Up to 1 Mbps |
| Bus Fault Protection | High IEC ESD protection (TVS optional) | High IEC ESD protection | [DATA_NEEDED] | [DATA_NEEDED] |
| Supply Voltage | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| I/O Supply | None (V suffix adds VIO) | VIO available (HGV) | [DATA_NEEDED] | [DATA_NEEDED] |
| Operating Mode | Silent mode | Standby mode | Standby mode | Standby mode |
| AEC-Q100 | Yes | Yes | Yes | Yes |
Key Differentiators
- Supports CAN FD up to 2 Mbps (5 Mbps with G suffix) (vs NXP TJA1051T/3/1)
- High on-chip IEC ESD protection (vs onsemi NCV7342)
- Flexible variant options (VIO and speed) (vs Infineon TLE9251V)
Design Notes
Place TVS diodes and bus filtering capacitors as close to the on-board connectors as possible to prevent noisy transient events from propagating further into the PCB and system. Use a 120-ohm termination resistor at each end of the CAN bus.
Keep the CAN bus lines twisted and routed away from high-current switching nodes. Maintain proper ground planes and use a single-point ground for the transceiver. The differential nature of CAN rejects common-mode noise, but good layout is essential to preserve signal integrity.
The SOIC-8 package has moderate thermal dissipation. Ensure copper pours around the GND pin to help heat spreading. In high-density automotive ECUs, monitor junction temperature under continuous bus traffic, as the transceiver's current draw is low but can rise during bus fault conditions.
Compliance Information
Automotive AEC-Q100 qualified. RoHS compliant per TI product page. Halogen-free status not explicitly confirmed.
