ISO1044BDR

The ISO1044BDR from Texas Instruments is a compact and powerful CAN transceiver with galvanic isolation. Here's a detailed breakdown of its features and functionalities:

Function:

• Isolated transceiver for the CAN (Controller Area Network) bus
• Supports both CAN FD (CAN with Flexible Data-rate) and classic CAN (up to 5 Mbps)
• Provides excellent electrical isolation between the CAN bus and the local ground, protecting against ground loops, noise, and transient voltage spikes

Technical Specifications:

• Isolation voltage: 3000 VRMS
• Common-mode voltage range: ±12 V
• Bus fault protection: ±58 V DC
• Data rate: Up to 5 Mbps for classic CAN, up to 5 Mbps with flexible data-rate for CAN FD
• Package: SOIC-8 (D)
• Operating temperature range: -40°C to +125°C

Key features:

• High isolation voltage: Ensures reliable operation and system safety
• CAN FD support: Enables faster data transfer and improved bus utilization
• Compact size: Small footprint makes it ideal for space-constrained applications
• Low power consumption: Minimizes overall system power requirements
• Enhanced electromagnetic compatibility (EMC): Minimizes interference with other electronics and emissions compliance
• Wide operating temperature range: Suitable for harsh environments

Additional features:

• Silicon dioxide (SiO2) isolation barrier: Offers robust and reliable isolation
• Integrated ESD, EFT, surge, and emissions protection: Enhances system robustness
• Supports loopback mode: Facilitates testing and diagnostics
• Compatible with existing CAN transceivers: Simplifies integration into existing designs

Applications:

• Industrial automation and control systems: Factory automation, process control, robotics
• Automotive applications: Powertrain control, body electronics, advanced driver-assistance systems (ADAS)
• Medical equipment: Diagnostic devices, patient monitoring systems
• Building automation: HVAC systems, security systems, lighting control
• Any application requiring reliable and efficient CAN communication with electrical isolation

Considerations:

• The ISO1044BDR is a relatively new product, so it may not yet be as widely available as some older CAN transceivers.
• While it offers a high level of isolation, it's important to note that the device itself does not provide isolation power supply. An isolated power supply is necessary to achieve full galvanic isolation for the entire system.

Overall, the ISO1044BDR is a versatile and powerful CAN transceiver with galvanic isolation that offers significant advantages for a wide range of applications. Its compact size, low power consumption, and CAN FD support make it a popular choice for designers looking for a high-performance and efficient solution.