SN65HVD255QDRQ1 - 3.3V Turbo CAN Transceiver AEC-Q100 | TI
MPN: SN65HVD255QDRQ1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.66 | $16.60 |
| 100 | $1.39 | $139.00 |
| 500 | $1.15 | $575.00 |
| 1,000 | $0.98 | $980.00 |
Drop-in alternatives for SN65HVD255QDRQ1 — 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:
SN65HVD256QDRQ1
✅ Drop-In📋 Reference alternative (not in catalog)
SN65HVD255DR
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View Datasheet →TCAN1051-Q1
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View Datasheet →TCAN1042GVDRQ1
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$0.349 / Unit
View Datasheet →TJA1051T/3/1
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$0.22 / Unit
View Datasheet →TJA1042
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View Datasheet →SN65HVD255QDRQ1 Maximum Ratings & Electrical Characteristics
| Transceiver Type | CAN |
| Supply Voltage | 3.3 V (VCC range 3 V to 3.6 V) |
| Protocol | CAN / CAN physical layer per ISO 11898 |
| Data Rate | > 1 Mbps (Turbo mode, short networks) |
| Bus Pins | CANH, CANL differential |
| Number of Drivers/Receivers | 1 Driver / 1 Receiver |
| Duplex | Half-duplex |
| Package | SOIC-8 (D) |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q100 (Q1 automotive grade) |
| Operating Temperature | -40C to +125C |
| Short-Circuit Protection | Yes (bus fault protected) |
| Thermal Shutdown | Yes |
| Pin Count | 8 |
| RoHS Status | Compliant |
SN65HVD255QDRQ1 Pin Configuration
| Pin 1 | TXD — Transmit data input from CAN controller |
| Pin 2 | GND — Ground reference |
| Pin 3 | VCC — 3.3V supply voltage |
| Pin 4 | RXD — Receive data output to CAN controller |
| Pin 5 | VREF — Reference voltage output (VCC/2) |
| Pin 6 | CANL — CAN low differential bus line |
| Pin 7 | CANH — CAN high differential bus line |
| Pin 8 | RS — Slope control / mode select |
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
SN65HVD255QDRQ1 is suitable for 6 applications: Automotive Body Electronics, Industrial PLC CAN Networks, High-Speed CAN Gateways, Motor Control Drive Nodes, Medical Equipment Interconnects, Battery Management Systems.
Automotive Body Electronics
In automotive body and comfort modules such as door controllers, lighting modules, and seat nodes, the SN65HVD255QDRQ1 bridges a 3.3V MCU CAN controller to the vehicle bus. Its AEC-Q100 qualification and -40C to +125C rating directly satisfy automotive temperature requirements, while short-circuit and thermal protection survive bus faults common in vehicle wiring. Fast, symmetric loop times improve bit-timing margin on the heavily loaded body-CAN segments typical in modern vehicles.
Recommended
Industrial PLC CAN Networks
Industrial programmable-logic controllers and distributed I/O use CAN at 3.3V logic to reduce system power and simplify level integration with modern MCUs. The SN65HVD255QDRQ1 provides enhanced data rates on highly loaded factory networks with many nodes, where standard transceivers lose arbitration margin. Wide common-mode bus tolerance and fault protection handle the electrically noisy motor-driven factory floor, keeping communication robust next to VFDs and switching loads.
Recommended
High-Speed CAN Gateways
Gateway ECU nodes interconnect multiple CAN segments and must forward frames with minimal latency. The SN65HVD255QDRQ1 turbo mode supports data rates beyond 1 Mbps on short intra-board or intra-rack links, enabling fast frame transfer between segments. Accurate RXD symmetry preserves bit timing through the gateway MCU's CAN controllers, reducing error frames. The VREF pin output can assist bus-biasing schemes used in gateway topologies for improved EMC.
Recommended
Motor Control Drive Nodes
CAN-connected servo and motor drive nodes benefit from the SN65HVD255QDRQ1 fast loop times, which reduce command-to-action latency on real-time control buses. The transceiver operates from the same 3.3V rail as the drive MCU (for example C2000 family controllers), eliminating level shifting. Robust bus-fault tolerance withstands the ground shifts and common-mode transients present in inverter-based drives, while thermal shutdown protects during sustained bus faults.
Recommended
Medical Equipment Interconnects
Medical devices such as infusion pumps, patient monitors, and diagnostic instruments use CAN for inter-module communication where deterministic messaging is required. The SN65HVD255QDRQ1 low-noise 3.3V operation and short-circuit protection fit the compact, safety-conscious designs of clinical equipment. Its >1 Mbps turbo capability supports high-rate data links between acquisition modules and main processing boards, keeping sample-rich sensor data synchronized across the system.
Recommended
Battery Management Systems
In modular battery management systems, CAN links the pack controller to module supervisors and vehicle ECUs. The SN65HVD255QDRQ1 3.3V supply integrates with low-voltage battery-telemetry MCUs, and its robustness tolerates the large ground offsets that appear across battery stacks during charge and discharge events. Fast loop times maintain reliable arbitration on the BMS CAN segment even when many module nodes contend for bus access simultaneously.
Recommended
Recommended Products Summary
Engineering reference data for SN65HVD255QDRQ1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | SN65HVD256QDRQ1 | SN65HVD255DR | TJA1051T/3/1 |
|---|---|---|---|---|
| Package | SOIC-8 (D) | SOIC-8 (D) - same | SOIC-8 (D) - same | SOIC-8 - same footprint |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | NXP Semiconductors |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 5 V |
| Data Rate | > 1 Mbps (Turbo) | > 1 Mbps (Turbo) | > 1 Mbps (Turbo) | 5 Mbps (CAN FD) |
| AEC-Q100 Grade | Yes (Q1) | Yes (Q1) | No (standard grade) | Yes (AEC-Q100) |
| Standby/Sleep Mode | No | Yes (sleep with bus wake) | No | Yes |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| CAN FD Ready | No (turbo classic CAN) | No | Yes | Yes |
Key Differentiators
- Turbo data rates above 1 Mbps (vs TCAN1051-Q1)
- Automotive Q1 qualification at 3.3V (vs SN65HVD255DR)
- Always-on operation for powered nodes (vs SN65HVD256QDRQ1)
Design Notes
The RS pin on the SN65HVD255QDRQ1 controls slope versus speed. Tying it high/low selects high-speed operation required for >1 Mbps turbo rates; adding a series resistor enables slope control for EMC but reduces achievable data rate. Confusing RS behavior with the HVD230 family's mode pins is a frequent error - consult the SN65HVD25x datasheet (Rev. D) mode table before layout.
Place a 0.1uF ceramic decoupling capacitor within 2 mm of VCC (pin 3) and GND (pin 2). Route CANH and CANL as a tightly coupled differential pair with 120-ohm termination at both network ends. Keep the transceiver close to the connector to minimize stub length, which degrades signal symmetry at turbo data rates above 1 Mbps.
Operating from a 3.3V rail means lower bus dominant drive than 5V transceivers; verify total bus capacitance and node count stay within the SN65HVD25x family loading guidelines for highly loaded networks. Confirm the VREF output (VCC/2, pin 5) is used or left appropriately per your bus-biasing topology; do not load it as a general-purpose supply.
Compliance Information
AEC-Q100 Q1 automotive grade per TI naming convention. RoHS/lead-free per standard TI SOIC-8 product offering; detailed REACH status requires [DATA_NEEDED: REACH certificate].
