SI86S621HC-ASR

Digital Isolators Overview

The SI86S621HC-ASR is a general-purpose digital isolator from Skyworks Solutions, designed for automotive applications. It features two unidirectional channels with capacitive coupling technology. The device supports data rates up to 150 Mb/s and offers an insulation voltage of 3750 Vrms. Operating supply voltages range from 2.25 V to 5.5 V. It is housed in an SOIC-NB-8 package and operates within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Automotive-grade qualification for reliable operation in harsh environments
• Capacitive coupling isolation technology for high noise immunity
• Unidirectional signal transmission across two isolated channels

Digital Isolators Applications

• Automotive electronic control units (ECUs)
• Inverter gate drive circuits
• Industrial automation systems requiring galvanic isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'HC' against official Skyworks documentation to confirm automotive grade status and pinout configuration. Ensure the ASR reel packaging matches your automated assembly requirements. Cross-reference the datasheet revision date to validate parameter consistency before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when unidirectional isolation is required for automotive or industrial interfaces. Compare propagation delay and CMTI specifications against system timing constraints. Verify that the 3750 Vrms isolation rating meets safety standards for the target application voltage levels.

Digital Isolators Part Context

This part belongs to the Si86S6x series of digital isolators. It complements other variants like the SI86S620BC by offering specific automotive reliability enhancements. The family utilizes Skyworks' proprietary capacitive isolation process for robust performance.

Digital Isolators Replacement Considerations

Direct substitutes include SI86S620BC-ASR for non-automotive versions. Check SI8621BT-ASR for higher isolation ratings but different package types. Always verify pin compatibility and electrical parameters before substitution.