SI86SM40BE-AS2R

Digital Isolators Overview

The SI86SM40BE-AS2R is an automotive-grade digital isolator from the Si86SM4x series, manufactured by Skyworks Solutions. It features four unidirectional channels with capacitive coupling technology and a 6.0 kVrms insulation voltage rating. The device supports data rates up to 150 Mbps and includes a sleep mode for power optimization. It operates within a temperature range of -40°C to +125°C and is housed in a SOIC-WB-16 package.

Digital Isolators Feature Summary

• Integrates four unidirectional signal paths for efficient multi-channel isolation
• Incorporates capacitive coupling architecture for galvanic barrier integrity
• Features dedicated sleep mode functionality to reduce active power consumption
• Complies with AEC-Q100 standards for automotive reliability requirements

Digital Isolators Applications

• Automotive battery management systems requiring high-voltage isolation
• On-board charger interfaces in electric vehicles
• Motor control units in automotive traction applications
• High-reliability industrial communication gateways

Digital Isolators Procurement Notes

Verify the specific suffix AS2R against official Skyworks documentation to confirm reel packaging and tape specifications. Ensure the component meets current RoHS directives and humidity sensitivity levels as defined in the datasheet. Cross-reference the full part number with authorized distributors to validate authenticity and traceability before procurement.

Digital Isolators Selection Notes

Select this component when four isolated bidirectional or unidirectional channels are required in space-constrained automotive designs. The SOIC-WB-16 package offers wide-body pin spacing for improved soldering reliability. Consider the sleep mode feature if system-level power efficiency is critical during idle states compared to standard isolators.

Digital Isolators Part Context

This device belongs to the Si86SM4x family of automotive digital isolators. It complements other Skyworks solutions like the SI86S6xx series by offering specialized low-power operation while maintaining high common-mode transient immunity. The family shares manufacturing processes to ensure consistent quality across different channel counts and voltage ratings.

Digital Isolators Replacement Considerations

The SI86SM40BE-AS2 is a tube-packaged equivalent of the same functional device. Verify pin compatibility and electrical parameters before substituting. No direct cross-brand replacements are confirmed in public documentation.