SI86S642BE-IS2R

Digital Isolators Overview

The SI86S642BE-IS2R is a Skyworks Solutions digital isolator featuring four unidirectional channels with capacitive coupling technology. It provides a high insulation voltage of 6000 Vrms 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, ensuring compatibility with standard logic levels. Key electrical parameters include a propagation delay of 8 ns and a pulse width distortion of 4.5 ns. Designed for robust performance, it functions across an extended temperature range from -40°C to +125°C. The component is packaged in a SOIC-Wide-16 format and is supplied in tape and reel configuration for automated assembly processes.

Digital Isolators Feature Summary

• Provides galvanic isolation via capacitive coupling technology for reliable signal transmission across potential barriers.
• Supports high-speed data communication with a maximum data rate of 150 Mb/s and low propagation delay.
• Features four independent unidirectional channels to facilitate complex multi-signal isolation requirements.
• Complies with automotive reliability standards through AEC-Q100 qualification for harsh environment applications.

Digital Isolators Applications

• Automotive electronic control units requiring certified isolation components
• Industrial motor drives and power conversion systems
• General-purpose interface circuits needing high-voltage isolation

Digital Isolators Procurement Notes

Verify the specific suffix IS2R to confirm the tape and reel packaging format, as this affects handling and reflow soldering profiles. Ensure the procurement matches the exact part number to guarantee the correct channel count and insulation voltage specifications. Cross-reference the datasheet for moisture sensitivity level requirements during storage and shipping conditions.

Digital Isolators Selection Notes

Select this component when high insulation voltage and automotive certification are critical design constraints. The unidirectional nature limits its use to one-way signal paths; bidirectional applications require different topology. Consider the 150 Mb/s speed limit against system timing requirements to ensure adequate noise margins and signal integrity at operating frequencies.

Digital Isolators Part Context

This part belongs to the Si86S6x series of digital isolators, which utilizes Skyworks' proprietary capacitive coupling technology. The series is designed to replace traditional optocouplers in modern applications, offering superior longevity and consistency. The BE variant specifically denotes the wide-body SOIC package optimized for higher creepage and clearance distances.

Digital Isolators Replacement Considerations

Public confirmed substitute part numbers: SI86S642BC-IS1, SI86S642HC-AS1, SI86S642BE-IS2R