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ISO1050DW

TI isolated CAN transceiver, 1Mbps, 5000VRMS, SOIC-16, -55 to 105C

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Manufacturer Part：

ISO1050DW

Package：

SOIC-16 (DW), 10.3 x 10.3 mm

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Description

Product Overview

The ISO1050DW is a galvanically isolated CAN transceiver from Texas Instruments. Meeting ISO11898-2 specifications with 5000 VRMS isolation, 1 Mbps data rate, and comprehensive safety certifications (UL 1577, VDE, CSA, TUV, CQC), this 16-pin SOIC device provides reliable isolated CAN bus communication in industrial automation, medical equipment, and transportation systems.

Key Specifications

Series ISO1050
Type Isolated CAN Transceiver
Data Rate Up to 1 Mbps
Isolation Voltage (VISO) 5000 VRMS (ISO1050DW)
Working Isolation Voltage (VIOWM) 850 VRMS
CMTI (min) 25 kV/us
Bus Fault Voltage -27V to +40V
Common-Mode Voltage -12V to +12V
Loop Delay 150 ns (typical), 210 ns (max)
I/O Voltage 3.3V and 5V compatible
Package SOIC-16 (DW), 10.3 x 10.3 mm
Operating Temperature -55C to +105C
Standards ISO11898-2, CANopen, DeviceNet
Safety Approvals UL 1577, VDE, CSA, TUV, CQC

Features

  • 5000 VRMS galvanic isolation for safety and noise immunity
  • ISO11898-2 compliant CAN transceiver
  • Low loop delay of 150 ns for real-time communication
  • 25 kV/us common-mode transient immunity
  • -27V to +40V bus fault protection
  • I/O voltage supports both 3.3V and 5V microcontrollers
  • Driver dominant timeout prevents bus lockup
  • Comprehensive safety certifications (UL, VDE, CSA, TUV, CQC)

Applications

  • Industrial automation and control networks
  • CAN bus in medical equipment
  • Transportation and automotive CAN gateways
  • Building automation HVAC systems
  • Solar inverter CAN communication

The Texas Instruments ISO1050DW is a galvanically isolated CAN transceiver that meets ISO11898-2 specifications. With 5000 VRMS isolation, 1 Mbps data rate, and a low loop delay of 150 ns, this device enables reliable CAN bus communication across galvanic isolation barriers in harsh industrial, medical, and transportation environments. The SiO2 isolation barrier provides excellent common-mode transient immunity (25 kV/us minimum), while bus fault protection from -27V to +40V ensures robustness against wiring faults. The I/O voltage range supports both 3.3V and 5V microcontrollers, and comprehensive safety certifications (UL 1577, VDE, CSA, TUV, CQC) facilitate system-level compliance.

The ISO1050DW combines a CAN transceiver with a silicon dioxide (SiO2) galvanic isolation barrier on a single chip. The logic side (VCC1, GND1) interfaces with the MCU through TXD and RXD pins at 3.3V or 5V logic levels. The transceiver side (VCC2, GND2) drives the CAN bus through CANH and CANL differentially. Data crossing the isolation barrier is transferred via on-chip transformers and capacitive coupling, providing 5000 VRMS of galvanic isolation while maintaining signal integrity at up to 1 Mbps. The isolation prevents ground loops, blocks common-mode noise, and protects the MCU from high-voltage transients on the bus. The driver includes a dominant timeout function that automatically releases the bus if TXD is stuck dominant, preventing network lockup.

Pin Name Type Function
1 VCC1 Power Logic-side supply (3-5.5V)
2 GND1 Ground Logic-side ground
3 RXD Output CAN receive data output
6 TXD Input CAN transmit data input
9-10 GND2 Ground Transceiver-side ground
12 CANL I/O CAN bus low-level line
13 CANH I/O CAN bus high-level line
16 VCC2 Power Transceiver-side supply (4.5-5.5V)
  • Industrial PLC CAN bus node with galvanic isolation
  • Solar inverter CAN communication with HV isolation
  • Medical equipment CAN bus isolation barrier
  • Automotive CAN gateway with ESD protection
  • Building automation CAN network isolation
Manufacturer Part Number Package Notes
TI ISO1050DUB SOP-8 8-pin variant, 2500 VRMS
TI ISO1042DW SOIC-16 5 kVrms, 5 Mbps CAN FD
Analog Devices ADM3053 SOIC-20 Isolated CAN, integrated DC-DC
Silicon Labs Si8621AB-B-IS SOIC-16 Dual digital isolator + CAN
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Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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Shipping & Payment

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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