SI86S631BC-AS1

Digital Isolators Overview

The SI86S631BC-AS1 is an automotive-grade digital isolator featuring three unidirectional channels with capacitive coupling technology. It provides 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 2.5 V to 5.5 V, consuming typical power currents of approximately 3.9 mA per channel. It exhibits a propagation delay of 8 ns with rise and fall times of 4 ns each. The component is housed in a 16-SOIC package and is qualified to AEC-Q100 standards for operation across a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• Capacitive isolation architecture ensuring high noise immunity
• Unidirectional signal transmission capability
• Ultra-low power consumption design

Digital Isolators Applications

• Automotive battery management systems
• Electric vehicle motor control interfaces
• Inverter gate drive circuits
• On-board charger communication links

Digital Isolators Procurement Notes

Verify the specific suffix AS1 against official Skyworks documentation to confirm packaging format and moisture sensitivity level prior to ordering. Ensure that the selected variant matches the required tape and reel or tube configuration for your assembly process. Cross-reference the exact part number with the manufacturer's current datasheet to validate any recent revisions or regional availability constraints before finalizing procurement plans.

Digital Isolators Selection Notes

Select this component when designing automotive systems requiring robust galvanic isolation between low-voltage control logic and high-voltage power stages. The three-channel unidirectional configuration suits applications where signals flow strictly from controller to actuator. Consider the 150 Mb/s data rate and 8 ns delay for timing-critical switching applications. Ensure the SOIC-16 footprint aligns with the PCB layout constraints and thermal management requirements of the target enclosure.

Digital Isolators Part Context

This part belongs to the Si86S6x series of automotive digital isolators manufactured by Skyworks Solutions. The series utilizes proprietary capacitive isolation technology to provide reliable signal transmission across isolation barriers. These devices are engineered specifically for harsh automotive environments, offering enhanced durability and performance compared to standard industrial counterparts while maintaining compatibility with common interface protocols.

Digital Isolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.