SI86S621HE-AS4

Digital Isolators Overview

The SI86S621HE-AS4 is a digital isolator from the Si86S6x series, manufactured by Skyworks Solutions. It features two unidirectional channels with capacitive coupling isolation technology. The device provides a rated insulation voltage of 6000 Vrms and supports data rates up to 10 Mbps. It exhibits a common-mode transient immunity (CMTI) of 150 kV/µs. Packaged in an 8-pin SOIC (SSO-8) format, this component is designated as an automotive version suitable for high-reliability applications.

Digital Isolators Feature Summary

• Automotive-grade qualification for enhanced reliability
• High common-mode transient immunity capability
• Capacitive coupling isolation architecture

Digital Isolators Applications

• Automotive electronic control units
• Inverter gate drive circuits
• Motor control systems

Digital Isolators Procurement Notes

Verify the specific suffix 'AS4' confirms the automotive grade and tube packaging configuration. Ensure compatibility with the required operating temperature range and voltage ratings against the official datasheet specifications before finalizing procurement decisions.

Digital Isolators Selection Notes

Select this component when automotive certification is mandatory for the application. The 6000 Vrms rating and 150 kV/µs CMTI make it suitable for noisy environments. Compare channel count and package dimensions against system constraints to ensure proper integration.

Digital Isolators Part Context

This part belongs to the Si86S6x family of digital isolators. It shares architectural similarities with other members like the SI86S621EE-IS4 but differs in automotive qualification status and packaging type. The family utilizes Skyworks' proprietary capacitive isolation technology for signal transmission across isolation barriers.

Digital Isolators Replacement Considerations

The SI86S621HE-AS4R is a reel-packaged variant of the same functional device. Verify if tape-and-reel handling is preferred over tube packaging for assembly processes.