SI86S631BC-AS1R

Digital Isolators Overview

The SI86S631BC-AS1R is an automotive-grade digital isolator from Skyworks Solutions, featuring three unidirectional channels with capacitive coupling technology. It provides a reinforced isolation voltage of 3750 Vrms and operates within a supply voltage range of 2.5 V to 5.5 V. The device supports data rates up to 150 Mb/s with a typical propagation delay of 8 ns. It is housed in a 16-pin SOIC-NB package and is qualified under AEC-Q100 standards for automotive applications.

Digital Isolators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• High-speed data transmission capability up to 150 Mb/s
• Robust capacitive coupling isolation barrier

Digital Isolators Applications

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

Digital Isolators Procurement Notes

Verify the specific suffix AS1R indicates reel packaging when sourcing components. Confirm that the BC variant meets the required temperature and performance specifications for your design. Ensure compatibility with the 16-pin SOIC-NB footprint during PCB layout. Check current availability status as automotive parts may have restricted distribution channels.

Digital Isolators Selection Notes

Select this component for designs requiring high-speed isolation in automotive environments. Compare channel count and speed against SI86S64x series if four channels are needed. Consider power consumption metrics relative to system thermal constraints. Validate insulation ratings against safety standards applicable to the target application voltage levels.

Digital Isolators Part Context

This part belongs to the Si86S6x family of automotive digital isolators. It shares the same package and isolation architecture as other variants in the series but differs in channel configuration. The family is designed to replace traditional optocouplers in high-reliability automotive electronics.

Digital Isolators Replacement Considerations

Direct substitutes include SI86S631BC-AS1 (tube) or SI86S641BC-AS1R for additional channels. Verify pinout compatibility before replacing legacy optocouplers.