SI86S640FC-AS1R

Digital Isolators Overview

The SI86S640FC-AS1R is an automotive-grade digital isolator featuring four unidirectional channels with capacitive coupling technology. It provides a 3750 Vrms isolation voltage and supports data rates up to 150 Mbps. The device offers a common-mode transient immunity of 150 kV/µs and operates within a supply voltage range of 2.5 V to 5.5 V. Packaged in a 16-pin SOIC (0.154 inch width) reel, it ensures reliable signal transmission across isolated boundaries in demanding automotive environments.

Digital Isolators Feature Summary

• Automotive-grade reliability for harsh operating conditions
• High-speed data transmission capability up to 150 Mbps
• Robust common-mode transient immunity of 150 kV/µs

Digital Isolators Applications

• On-board charger systems
• DC-DC converter interfaces
• Battery management system communication

Digital Isolators Procurement Notes

Verify the specific suffix AS1R indicates reel packaging when sourcing components. Confirm that the FC variant corresponds to the standard SOIC-NB-16 package dimensions. Ensure compliance with RoHS directives and check for moisture sensitivity levels prior to surface mount assembly processes.

Digital Isolators Selection Notes

Select this component for applications requiring high channel density and strong transient immunity. The unidirectional configuration suits simple control signal isolation. Verify that the 3750 Vrms rating meets the specific isolation requirements of the target circuit design compared to higher voltage alternatives.

Digital Isolators Part Context

This part belongs to the Si86S6x series of automotive digital isolators from Skyworks Solutions. It utilizes proprietary capacitive coupling technology to provide electrical isolation without magnetic interference. The series is designed to replace optocouplers in modern automotive electronics with improved performance and longevity.

Digital Isolators Replacement Considerations

Direct substitutes include other parts within the Si86S6x family such as the SI86S640BC-AS1R or SI86S640EE-AS2, depending on required insulation voltage and package type variations.