SI8650EC-AS1R

Digital Isolators Overview

The SI8650EC-AS1R is an automotive-grade digital isolator from Skyworks Solutions, featuring five independent channels with unidirectional signal transmission. It utilizes capacitive coupling technology to provide a rated insulation voltage of 3750 Vrms and supports data rates up to 150 Mb/s. The device operates within a supply voltage range of 2.375 V to 5.5 V and is qualified under AEC-Q100 standards for automotive reliability. It exhibits a typical propagation delay of 8 ns and maintains high common-mode transient immunity. The component is housed in a 16-pin SOIC-NB package and is supplied in tape and reel format.

Digital Isolators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for enhanced reliability in vehicle environments
• Capacitive coupling isolation architecture providing robust signal transmission across electrical barriers
• High-speed data processing capability supporting general-purpose communication protocols at 150 Mb/s

Digital Isolators Applications

• Automotive telematics systems requiring isolated data links
• Inverter gate drive circuits in electric vehicles
• On-board charging (OBC) controller interfaces
• Advanced driver assistance systems (ADAS) sensor isolation

Digital Isolators Procurement Notes

Verify the specific suffix AS1R corresponds to the tape and reel packaging configuration required for automated assembly processes. Confirm that the EC designation aligns with the intended operating temperature range and voltage specifications for your application. Ensure compliance with RoHS directives and check for any recent product change notifications regarding material composition or manufacturing site updates before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when five-channel isolation is required for automotive applications demanding high reliability and moderate data speeds. Compare against other Si865x variants based on insulation voltage ratings and channel directionality. Consider the SOIC-NB footprint constraints and verify power dissipation limits relative to thermal management capabilities in the target enclosure design.

Digital Isolators Part Context

This part belongs to the Si865x family of digital isolators, which are designed for general-purpose and automotive applications. The family offers various configurations with different channel counts and insulation levels. The SI8650EC-AS1R specifically addresses the need for compact, high-reliability isolation solutions in space-constrained automotive electronics where capacitive coupling provides superior performance over magnetic alternatives.

Digital Isolators Replacement Considerations

Direct substitutes include other parts within the Si865x series such as SI8650EC-B-IS1R or SI8650BC-AS1, provided they match the required insulation voltage and channel count. Verify pinout compatibility and ensure that any alternative meets the same AEC-Q100 qualification status for automotive use.