SI86SM42EC-AS1

Digital Isolators Overview

The SI86SM42EC-AS1 is an automotive-grade digital isolator from Skyworks Solutions, featuring four unidirectional channels with capacitive coupling technology. It provides a basic isolation voltage of 3.75 kVrms 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 includes a sleep mode for power optimization. It is qualified under AEC-Q100 standards and functions reliably across an extended temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Automotive-grade qualification ensuring reliability in vehicle environments
• Integrated sleep mode for enhanced power efficiency during idle states
• High common-mode transient immunity for robust signal integrity
• Capacitive coupling architecture providing galvanic isolation

Digital Isolators Applications

• On-board charger systems in electric vehicles
• Battery management system interfaces
• Motor control drive circuits
• Inverter gate driver isolation

Digital Isolators Procurement Notes

Verify the specific suffix AS1 against official Skyworks documentation to confirm package type and tape-and-reel specifications. Ensure the component meets AEC-Q100 requirements for your target automotive application. Cross-reference the datasheet revision date to validate parameter consistency before integration into production designs.

Digital Isolators Selection Notes

Select this component when high-voltage isolation is required for automotive power electronics. The four-channel unidirectional configuration suits parallel signal transmission needs. Consider the sleep mode feature if power consumption constraints exist during non-operational phases. Validate thermal performance within the specified operating temperature range.

Digital Isolators Part Context

This part belongs to the Si86SM4x series of digital isolators designed specifically for automotive applications. It complements other Skyworks isolation products by offering specialized features like sleep modes tailored for energy-sensitive vehicle subsystems. The series emphasizes durability and signal fidelity in harsh electromagnetic environments typical of modern electric vehicles.

Digital Isolators Replacement Considerations

SI86SM42BC-AS1: Similar automotive isolator with different package options. SI86SM42EC-IS1: Non-automotive version with identical electrical characteristics but lacking AEC-Q100 qualification.