SI8642BC-AS1R

Digital Isolators Overview

The SI8642BC-AS1R is an automotive-grade digital isolator from Skyworks Solutions, utilizing capacitive coupling technology. It features four channels configured as two forward and two reverse paths within a 16-pin SOIC-NB package. The device supports data rates up to 150 Mb/s with a propagation delay of 8 ns. It operates on a supply voltage range of 2.375 V to 5.5 V and provides an insulation voltage of 3750 Vrms. Certified under AEC-Q100, it functions reliably between -40°C and +125°C.

Digital Isolators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
• Capacitive coupling isolation architecture providing high common-mode transient immunity.
• Bidirectional channel configuration supporting two forward and two reverse signal paths.

Digital Isolators Applications

• Automotive gate driver circuits
• Inverter control systems
• Motor drive interfaces

Digital Isolators Procurement Notes

Verify the specific suffix AS1R indicates reel packaging when sourcing. Confirm AEC-Q100 certification status through official Skyworks documentation or authorized distributor datasheets. Ensure the SOIC-NB-16 footprint matches your PCB layout requirements before finalizing procurement decisions.

Digital Isolators Selection Notes

Select this component for applications requiring robust automotive-grade isolation with bidirectional data flow. Compare against other Si864x variants based on required insulation voltage levels and specific channel directionality needs. Ensure the 150 Mbps speed meets system timing constraints.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators designed for high-reliability industrial and automotive applications. It complements other Skyworks isolation products by offering a compact 16-pin solution with integrated bidirectional capabilities.

Digital Isolators Replacement Considerations

Check SI8642BC-AS1 for tape-and-reel alternatives. Verify SI8642BD-AS for higher insulation voltage requirements. Consult Skyworks for direct pin-compatible substitutes within the Si864x family.