In industrial automation, building control, and automotive electronics, the Controller Area Network (CAN) has become a widely adopted communication standard. It offers strong noise immunity, high stability, and real-time performance. However, in systems with multiple power domains or high voltages, issues such as signal interference and ground potential differences can compromise communication safety. Therefore, galvanic isolation is an essential design requirement.
The ADM3053BRWZ from Analog Devices is an integrated isolated CAN transceiver that combines signal transmission, isolation, and isolated power in a single device—offering engineers a simpler and more reliable design solution.
1. Advantages of the Integrated Design
Conventional CAN transceivers typically handle only data transmission, while signal and power isolation require additional external components. This approach increases design complexity and consumes valuable PCB space.
The ADM3053BRWZ integrates both the isolated signal path and the isolated DC-DC power converter within one chip, enabling a 5 V supply on the logic side and isolated power delivery to the bus side.
This high level of integration provides three clear benefits:
Fewer external components – simplifying the BOM and saving PCB space.
Improved system reliability – reducing ground-loop and voltage fluctuation issues.
Easier design process – eliminating the need for separate isolation circuitry.
For industrial equipment manufacturers, this means higher consistency and faster production efficiency across product lines.
2. Industrial-Grade Stability and Performance
The ADM3053BRWZ is designed for industrial applications, featuring an operating temperature range of –40 °C to +85 °C and 2.5 kV RMS isolation capability. It supports data transmission rates up to 1 Mbps, sufficient for most industrial control systems that require real-time communication.
A standout specification is its >25 kV/µs common-mode transient immunity (CMTI). In noisy or high-EMI environments, this allows the transceiver to maintain stable communication and prevent data errors or system resets—an essential factor in industrial CAN reliability.
Additionally, the device includes current limiting and thermal shutdown features, providing built-in protection and enhancing system durability under demanding conditions.
3. Simplified Design and PCB Layout
The ADM3053BRWZ comes in a wide-body SOIC-20 package, providing the required creepage distance and compliance with safety standards while maintaining a compact footprint. Engineers can easily meet isolation requirements by following the PCB layout guidelines provided in the datasheet.
The integrated DC-DC converter supplies isolated power to the bus side, eliminating the need for separate transformers or external power-isolation modules. This saves board space, reduces system power consumption, and minimizes heat generation. For compact embedded systems where space and reliability are equally important, this makes the ADM3053BRWZ a highly attractive solution.
4. Typical Applications
The ADM3053BRWZ is widely used in:
- Industrial automation and PLC systems
- Motor drives and variable-frequency converters
- Building automation and HVAC control systems
- Battery management systems and EV charging stations
All of these applications demand high data integrity, noise immunity, and robust isolation, which are precisely the strengths of the ADM3053BRWZ.
5. Design Considerations and Selection Notes
When implementing the ADM3053BRWZ in a system, engineers should pay attention to the following:
- Maintain proper PCB creepage and clearance distances to meet isolation standards.
- Use appropriate CAN bus termination to ensure signal integrity.
- Keep the logic-side and isolated-side grounds separated to avoid ground loops.
- For higher-speed applications (e.g., CAN FD > 1 Mbps), consider using a compatible CAN FD transceiver instead.
It achieves an excellent balance between functionality, performance, and cost—making it ideal for projects that value both reliability and efficiency.
6. Conclusion
The ADM3053BRWZ is a high-integration, high-reliability isolated CAN transceiver that enables engineers to achieve safe and stable communication within compact designs. By combining signal isolation, power isolation, and CAN functionality in one device, it simplifies design complexity and improves long-term system dependability.
As a global distributor of electronic components, WIN SOURCE provides a broad range of high-performance industrial communication solutions, including the ADM3053BRWZ. Through comprehensive BOM support, inventory management, and reliable supply, WIN SOURCE helps engineers access quality components and achieve faster, safer, and more efficient product development.
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