TCAN1051VDRBTQ1 - CAN FD Transceiver, 8Mbps, VSON-8 | TI
MPN: TCAN1051VDRBTQ1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.12 | $3.12 |
| 10 | $2.82 | $28.20 |
| 100 | $2.44 | $244.00 |
| 500 | $2.08 | $1,040.00 |
| 1,000 | $1.79 | $1,790.00 |
Drop-in alternatives for TCAN1051VDRBTQ1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TCAN1051HGVDRQ1
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View Datasheet →TCAN1051VDRBTQ1 Maximum Ratings & Electrical Characteristics
| Product Type | Automotive Fault Protected CAN Transceiver with CAN FD |
| Number of Drivers/Receivers | 1/1 |
| Bus Interface Standard | ISO 11898-2 (CAN) |
| Protocol Support | CAN FD (Flexible Data-Rate) |
| Data Rate | 2 Mbps (Normal/Silent modes per distributor listing); CAN FD capable |
| Supply Voltage (VCC) | 4.5 V to 5.5 V |
| Logic Supply (VIO) | Adapts I/O levels for 1.8 V, 3.3 V, 5 V MCU interfaces |
| Bus Fault Protection | +/-58 V |
| Operating Temperature | -55C to +125C |
| Qualification | AEC-Q100 (Automotive) |
| Package | 8-VSON (DRB), 3x3 mm, exposed pad |
| Mounting Type | Surface Mount |
| Duplex | Half |
| RoHS Status | Compliant |
| Packaging | Tape & Reel (T) |
| Manufacturer | Texas Instruments |
TCAN1051VDRBTQ1 Pin Configuration
| Pin 1 | TXD — Transmit data input from CAN controller |
| Pin 2 | GND — Ground reference |
| Pin 3 | VCC — Transceiver supply, 4.5 V to 5.5 V |
| Pin 4 | RXD — Receive data output to CAN controller |
| Pin 5 | VIO — I/O level reference for TXD/RXD (1.8 V, 3.3 V, 5 V compatible) |
| Pin 6 | CANL — CAN bus low line |
| Pin 7 | CANH — CAN bus high line |
| Pin 8 | NC — Not connected (per datasheet; verify per package variant) |
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
TCAN1051VDRBTQ1 is suitable for 6 applications: Automotive Body Control Modules, Battery Management Systems, Industrial CAN Gateways and Automation, Electric Power Steering (EPS), Telematics and Fleet Tracking Units, CAN Bus Diagnostic and Test Tools.
Automotive Body Control Modules
The TCAN1051VDRBTQ1 fits body control modules (BCM) because its +/-58 V bus fault protection withstands load-dump and battery-connection faults common in 12 V vehicle harnesses, while the VIO pin interfaces directly to 3.3 V BCM microcontrollers without level shifters. In a BCM, the transceiver sits between the MCU CAN controller and the body bus, driving dominant/recessive states across CANH/CANL. Its AEC-Q100 qualification and -55C to +125C range cover underhood-adjacent and engine-bay mounting locations. Silent mode allows the node to listen during diagnostics without driving the bus, and the integrated fault protection eliminates external TVS diodes in many designs, reducing BOM cost.
Recommended
Battery Management Systems
In EV and hybrid battery management systems, the TCAN1051VDRBTQ1 provides the CAN FD link between the battery management controller and the vehicle CAN bus. Its +/-58 V fault protection tolerates high-voltage pack leakage paths and service faults, and the VIO pin lets the transceiver connect to 3.3 V BMS MCUs directly. CAN FD support allows faster fault reporting across the data phase, useful for large cell-count packs streaming telemetry. Recommended companions include TI's BQ76952PFBR battery monitor stack. Place the transceiver on the low-voltage side of the isolation barrier (with an isolated CAN transceiver variant when galvanic isolation is required) and use split termination for common-mode noise rejection from the pack.
Recommended
Industrial CAN Gateways and Automation
Industrial CANopen and J1939 gateways benefit from the TCAN1051VDRBTQ1's robustness: the +/-58 V protection handles miswiring in 24 V cabinets, and its receiver symmetry supports CAN FD data phases for higher-throughput fieldbus traffic. On the gateway board, the transceiver converts the controller's TXD/RXD to differential bus signals routed to the D-sub or terminal-block connector. Common-mode choke plus 100 pF to 220 pF capacitors at CANH/CANL improve ESD and RFI performance in factory-floor EMC environments. The device's normal and silent modes support gateway listen-only diagnostics on the plant network, and the exposed-pad VSON-8 package simplifies thermal and ground design in dense industrial IO stacks.
Recommended
Electric Power Steering (EPS)
Electric power steering ECUs demand deterministic, fault-tolerant CAN communication, which the TCAN1051VDRBTQ1 delivers through its +/-58 V bus fault protection, common-mode bus tolerance, and AEC-Q100 automotive qualification. The VIO pin allows direct connection to the steering controller's 3.3 V logic domain. In EPS architectures, the transceiver links the steering ECU to the vehicle chassis CAN, carrying torque-sensor and assistance commands; CAN FD support enables the higher-rate fault telemetry increasingly required by ADAS-integrated steering. Silent mode supports diagnostic listen-only sessions during service. Robust receiver thresholds ensure message integrity across the noisy, vibration-prone steering rack environment.
Recommended
Telematics and Fleet Tracking Units
Telematics black boxes and fleet trackers tap the vehicle CAN bus to extract speed, odometer, and diagnostic data. The TCAN1051VDRBTQ1's listen/silent mode lets the tracker observe the bus without affecting in-vehicle communication, and its +/-58 V protection guards against jump-start transients and miswired OBD-II connections. The 3x3 mm VSON-8 package fits compact telematics dongles, while VIO allows interfacing to both 5 V and 3.3 V cellular modem SoCs. Low-power standby behavior reduces quiescent drain when the vehicle is off, protecting the starter battery during long parking periods. Pair with the host cellular MCU via the standard TXD/RXD interface.
Recommended
CAN Bus Diagnostic and Test Tools
Diagnostic scan tools and CAN analyzers require a transceiver that survives accidental connection to faulty vehicles, making the TCAN1051VDRBTQ1's +/-58 V fault protection and short-circuit-tolerant drivers valuable. Its 1/1 driver/receiver configuration and normal/silent modes allow passive monitoring of live buses during troubleshooting, while CAN FD receiver symmetry supports analysis of both classic CAN and FD traffic on modern vehicles. The VIO pin adapts logic levels to whichever analyzer MCU or USB bridge is used, from 3.3 V FTDI-style bridges to 5 V legacy controllers. The exposed-pad 8-VSON package keeps handheld tool PCBs small while providing low-impedance grounding for EMC immunity.
Recommended
Recommended Products Summary
Engineering reference data for TCAN1051VDRBTQ1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TCAN1051HGVDRQ1 | TCAN1051GVDRQ1 | TCAN1051DRBRQ1 | TCAN1051VDRQ1 |
|---|---|---|---|---|---|
| Package | VSON-8 (DRB) 3x3 mm | VSON-8 (DRB) - same | VSON-8 (DRB) - same | VSON-8 (DRB) - same | VSON-8 (DRB) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Bus Fault Protection | +/-58 V | +/-70 V | +/-58 V | +/-58 V | +/-58 V |
| VIO Level Shifting | Yes (1.8/3.3/5 V) | Yes | Yes | No | Yes |
| CAN FD Support | Yes | Yes | Yes | Yes | Yes |
| AEC-Q100 Qualification | Qualified (-55C to +125C) | Qualified | Qualified | Qualified | Qualified |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Typical Applications | 12 V passenger vehicles, BMS, telematics | 24 V trucks, industrial buses | General automotive | 5 V-only MCU systems | 12 V passenger vehicles |
Key Differentiators
- VIO level-shifting pin for mixed-voltage MCUs (vs TCAN1051DRBRQ1)
- Lower-cost fault protection for 12 V vehicles (vs TCAN1051HGVDRQ1)
- CAN FD receiver symmetry in a fault-protected part (vs TCAN1051DRBRQ1)
Design Notes
Solder the VSON-8 exposed pad to a grounded copper pour with a 3x3 thermal via array (0.3 mm vias filled or tented). The exposed pad is the primary ground connection and provides thermal relief for bus fault conditions where CANH/CANL short-circuit currents flow. Do not route ground under CANH/CANL traces only; maintain a continuous ground plane between logic and bus sides to control common-mode impedance.
Use split termination (two 60.4 ohm resistors with a 4.7 nF capacitor to ground at the midpoint) at the bus master node to reduce common-mode emissions. Add a common-mode choke rated for automotive CAN (e.g., around 51 uH) in series with CANH/CANL, plus 100 pF to 220 pF capacitors to ground on each line for ESD and RFI filtering. TI reference designs in the TCAN1051 datasheet typical application show this exact topology.
Ensure the VIO rail is established before the CAN controller drives TXD, otherwise undefined logic-level transitions can place the bus into unintended dominant states. Do not share the VCC decoupling network with switching regulators; place 100 nF within 3 mm of VCC and VIO. Remember the package is half-duplex - the transceiver cannot receive while driving dominant, so network arbitration is handled entirely by the CAN controller, not the transceiver.
Compliance Information
AEC-Q100 automotive qualified per TI TCAN1051V-Q1 product page. RoHS compliance and lead-free status per standard TI automotive rating; detailed REACH/halogen data not stated in provided sources.
