ISO1050DUBR - Isolated CAN Transceiver 2500Vrms | TI SOP-8
MPN: ISO1050DUBR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.74 | $274.00 |
| 500 | $2.47 | $1,235.00 |
| 1,000 | $2.2 | $2,200.00 |
Drop-in alternatives for ISO1050DUBR — 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:
ISO1050DUB
✅ Drop-In📋 Reference alternative (not in catalog)
ISO1050DUBR Maximum Ratings & Electrical Characteristics
| Type | Isolated CAN Transceiver |
| Number of Channels | 1/1 |
| Isolation Voltage | 2500 Vrms (DUB package) |
| Isolation Rating | 4000 VPEAK |
| Data Rate | 1 Mbps |
| Supply Voltage | 5 V |
| Loop Delay | 150 ns (typical) |
| Transient Immunity | 50 kV/µs (typical) |
| Bus-Fault Protection | -27 V to 40 V |
| Common-Mode Range | -12 V to 12 V |
| Operating Temperature Range | -55°C to +105°C |
| Package | SOP-8 (DUB) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Standards | ISO 11898-2 |
ISO1050DUBR Pin Configuration
| Pin 1 | TXD — Transmit data input |
| Pin 2 | GND1 — Logic side ground |
| Pin 3 | VCC1 — Logic side supply (5V) |
| Pin 4 | RXD — Receive data output |
| Pin 5 | VCC2 — Bus side supply (5V) |
| Pin 6 | CANH — CAN high bus line |
| Pin 7 | CANL — CAN low bus line |
| Pin 8 | GND2 — Bus side ground |
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
ISO1050DUBR is suitable for 6 applications: Industrial Automation, Motor Control, Building Automation, Automotive Body Electronics, Battery Management Systems, Charging Stations.
Industrial Automation
The ISO1050DUBR provides galvanic isolation for CAN networks in industrial automation, protecting controllers from ground loops and voltage transients. Its 2500 Vrms isolation and 50 kV/µs transient immunity ensure reliable communication in noisy factory environments. The device operates from -55°C to +105°C, suitable for harsh conditions. It interfaces directly with 3.3V or 5V microcontrollers, simplifying design. With 1 Mbps data rate, it supports real-time control applications. The SOP-8 package saves board space, and the integrated isolation reduces component count compared to discrete solutions.
Recommended
Motor Control
In motor control systems, the ISO1050DUBR isolates the CAN bus from high-voltage motor drives, preventing damage to low-voltage logic. Its 4000 VPEAK isolation rating handles transient spikes from inductive loads. The low loop delay of 150 ns ensures fast response for real-time control loops. The device's failsafe outputs maintain a defined state during faults, enhancing system safety. It supports half-duplex communication typical of CAN networks. The wide temperature range allows operation near motors and drives. The integrated isolation simplifies PCB layout and reduces EMI.
Recommended
Building Automation
The ISO1050DUBR enables robust CAN communication in building automation systems, where long cable runs and ground potential differences are common. Its 2500 Vrms isolation prevents ground loops and protects against lightning-induced surges. The device's bus-fault protection from -27V to 40V handles wiring errors. It operates over a wide temperature range, suitable for HVAC and lighting control. The SOP-8 package is compact for space-constrained controllers. The device meets ISO 11898-2, ensuring interoperability with standard CAN devices.
Recommended
Automotive Body Electronics
The ISO1050DUBR is used in automotive body electronics for isolated CAN communication between ECUs, protecting against ground shifts and electrical noise. Its 2500 Vrms isolation is sufficient for 12V systems, and the device operates from -55°C to +105°C, covering automotive temperature grades. The low loop delay ensures timely data transmission for body control functions. The device's cross-wire and overvoltage protection up to 40V handles fault conditions. It is AEC-Q100 qualified? No, but it is suitable for non-safety critical applications. The SOP-8 package is ideal for space-limited modules.
Recommended
Battery Management Systems
In battery management systems (BMS), the ISO1050DUBR isolates the CAN bus from high-voltage battery packs, ensuring safe communication between cells and the controller. Its 2500 Vrms isolation protects against voltage spikes during charging and discharging. The device's wide temperature range supports operation in battery enclosures. The low loop delay enables fast response for protection algorithms. The integrated isolation reduces component count and PCB area. The device meets ISO 11898-2, ensuring compatibility with standard BMS controllers.
Recommended
Charging Stations
The ISO1050DUBR provides isolated CAN communication in electric vehicle charging stations, protecting control electronics from high-voltage transients. Its 2500 Vrms isolation is suitable for charging infrastructure. The device's bus-fault protection handles wiring errors and surges. It operates over a wide temperature range, suitable for outdoor installations. The low loop delay ensures reliable communication for charging protocols. The SOP-8 package is compact for space-constrained designs. The device meets ISO 11898-2, ensuring interoperability with vehicle CAN networks.
Recommended
Recommended Products Summary
Engineering reference data for ISO1050DUBR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ISO1050DUB | ISO1050DW | ISO1042 | ISO1044 | TJA1052T |
|---|---|---|---|---|---|---|
| Package | SOP-8 (DUB) | SOP-8 (DUB) - same | SOIC-16 (DW) - different | SOIC-8 (D) - different | SOIC-8 (D) - different | SOIC-14 - different |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | NXP Semiconductors |
| Isolation Voltage | 2500 Vrms | 2500 Vrms | 5000 Vrms | 5000 Vrms | 5000 Vrms | 5000 Vrms |
| Data Rate | 1 Mbps | 1 Mbps | 1 Mbps | 5 Mbps | 5 Mbps | 1 Mbps |
| Supply Voltage | 5 V | 5 V | 5 V | 3.3 V to 5 V | 3.3 V to 5 V | 3.3 V to 5 V |
| Loop Delay | 150 ns | 150 ns | 150 ns | 110 ns | 110 ns | 255 ns |
| Transient Immunity | 50 kV/µs | 50 kV/µs | 50 kV/µs | 150 kV/µs | 150 kV/µs | 50 kV/µs |
| Bus-Fault Protection | -27 V to 40 V | -27 V to 40 V | -27 V to 40 V | -58 V to 58 V | -58 V to 58 V | -27 V to 40 V |
Key Differentiators
- 2500 Vrms isolation in SOP-8 package (vs ISO1050DW)
- Active tape and reel part (vs ISO1050DUB)
- Lower cost than ISO1042 (vs ISO1042)
Design Notes
For the ISO1050DUBR, maintain adequate creepage and clearance distances between the logic side (pins 1-4) and bus side (pins 5-8) to preserve the 2500 Vrms isolation rating. A minimum of 8 mm creepage is recommended for reinforced insulation per IPC-2221. Place the isolation barrier components (e.g., capacitors) symmetrically to balance parasitic capacitance.
The ISO1050DUBR requires a 5V supply on both VCC1 and VCC2. Use isolated DC-DC converters like the SN6501 to generate the bus-side supply. Ensure adequate decoupling with 100 nF capacitors close to each supply pin. The total current consumption is typically 70 mA during dominant transmission, so size the power supply accordingly.
Do not connect the logic ground (GND1) to the bus ground (GND2) as this defeats the isolation. Also, ensure the CAN bus termination resistor (120 ohms) is placed at both ends of the bus. The ISO1050DUBR has failsafe outputs, but external pull-up/pull-down resistors may be needed for undefined states during power-up.
Compliance Information
RoHS compliant per TI product page. Not AEC-Q100 qualified; for automotive, consider ISO1042-Q1.
