SI86SL42BC-AS1

Digital Isolators Overview

The SI86SL42BC-AS1 is a four-channel unidirectional digital isolator from the Si86SL4x series, manufactured by Skyworks Solutions. It utilizes capacitive coupling technology to provide galvanic isolation with a rated insulation voltage of 3750 Vrms. The device supports data rates up to 150 Mbps and features a common-mode transient immunity (CMTI) of 150 kV/µs. Designed for automotive applications, it operates within an extended temperature range of -40°C to +125°C. The component is housed in a 16-pin SOIC-NB package.

Digital Isolators Feature Summary

• Provides robust galvanic isolation via capacitive coupling technology
• Optimized for low-power consumption in automotive environments
• Features high common-mode transient immunity for signal integrity
• Supports unidirectional data transmission across four independent channels

Digital Isolators Applications

• Automotive electronic control units requiring isolated communication
• Industrial systems needing reliable signal isolation between domains
• Inverter gate drive circuits in electric vehicle powertrains
• Battery management systems with isolated monitoring interfaces

Digital Isolators Procurement Notes

Verify the specific suffix AS1 against official Skyworks documentation to confirm pinout and electrical characteristics match your design requirements. Ensure the SOIC-NB-16 package dimensions align with your PCB footprint. Confirm that the automotive qualification status meets your project's reliability standards before finalizing procurement.

Digital Isolators Selection Notes

Select this component when four unidirectional isolated channels are required for automotive-grade applications. Compare CMTI specifications against noise environments to ensure signal stability. Verify that the 150 Mbps data rate suffices for your communication protocol. Consider thermal performance within the -40°C to +125°C operating range during system integration.

Digital Isolators Part Context

This part belongs to the Si86SL4x family of low-power digital isolators designed specifically for automotive use. It complements other Skyworks isolation products by offering a balance of speed, power efficiency, and ruggedness. The series addresses the growing demand for isolated interfaces in electrified vehicles and advanced driver-assistance systems.

Digital Isolators FAQ

What is the common-mode transient immunity rating?

The SI86SL42BC-AS1 has a common-mode transient immunity (CMTI) of 150 kV/µs.

Is this device suitable for automotive applications?

Yes, the SI86SL42BC-AS1 is explicitly designed and qualified for automotive applications.