SI86SM42EE-AS2R

Digital Isolators Overview

The SI86SM42EE-AS2R is an automotive-grade digital isolator from Skyworks Solutions, utilizing capacitive coupling technology. It features four unidirectional channels with a 6000 Vrms isolation voltage and supports data rates up to 150 Mbps. The device offers a common-mode transient immunity of 150 kV/µs and operates within a supply voltage range of 2.25 V to 5.5 V. Packaged in a 16-SOIC (0.295 inch, 7.50 mm width) format, it includes sleep mode functionality for power optimization and meets AEC-Q100 qualification standards.

Digital Isolators Feature Summary

• Capacitive coupling architecture providing high reliability and low power consumption
• Integrated sleep mode for enhanced energy efficiency in standby states
• Automotive qualification ensuring compliance with AEC-Q100 standards
• High common-mode transient immunity for robust signal integrity

Digital Isolators Applications

• Automotive battery management systems
• Electric vehicle charging stations
• Inverter control circuits
• Motor drive interfaces

Digital Isolators Procurement Notes

Verify the specific suffix AS2R indicates reel packaging when sourcing components. Confirm that the automotive grade designation aligns with project requirements for environmental and reliability standards. Ensure compatibility with the 16-SOIC footprint during PCB layout. Cross-reference the datasheet for any recent product change notifications or lifecycle status updates before finalizing procurement plans.

Digital Isolators Selection Notes

Select this component for applications requiring high-speed digital isolation in electric vehicle environments. The 150 Mbps data rate suits CAN FD and other high-bandwidth automotive protocols. Consider the sleep mode feature if power conservation is critical during idle periods. Validate that the 6000 Vrms isolation rating exceeds the system's working voltage requirements to ensure safety margins.

Digital Isolators Part Context

This part belongs to the Si86Sx family of digital isolators designed specifically for automotive electronics. It complements other Skyworks isolation solutions by offering a balance of speed, isolation strength, and power efficiency. The family supports various channel configurations and packages to meet diverse interface needs in modern vehicle architectures.

Digital Isolators Replacement Considerations

Direct substitutes include other parts within the Si86SMxx series with matching channel counts and isolation ratings. Verify pinout compatibility and electrical specifications such as propagation delay and CMTI when considering alternatives from Skyworks or other manufacturers.