SI86S640EE-AS2R

Digital Isolators Overview

The SI86S640EE-AS2R is an automotive-grade digital isolator from Skyworks Solutions, featuring four unidirectional channels with capacitive coupling technology. It provides a high insulation voltage of 6.0 kVrms and supports data rates up to 150 Mbps. The device exhibits a common mode transient immunity of 150 kV/µs and a maximum propagation delay of 42 ns. Designed for robust performance in harsh environments, it operates within a temperature range of -40°C to +125°C. The component is housed in a 16-pin SOIC-WB package and complies with AEC-Q100 standards for automotive applications.

Digital Isolators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• High insulation voltage capability of 6.0 kVrms
• Capacitive coupling isolation technology
• High common mode transient immunity

Digital Isolators Applications

• Automotive battery management systems
• On-board charger interfaces
• DC-DC converter control circuits
• Inverter gate drive isolation

Digital Isolators Procurement Notes

Verify the specific suffix AS2R corresponds to the reel packaging configuration as indicated by distributor listings. Confirm that the SOIC-WB-16 package variant matches the required board layout constraints. Ensure the automotive grade designation aligns with the target application's reliability requirements. Cross-reference the datasheet revision history for any recent product change notifications affecting pinout or electrical characteristics.

Digital Isolators Selection Notes

Select this component when high voltage isolation is required between low-voltage control logic and high-voltage power stages in automotive systems. The 150 Mbps data rate suits high-speed communication protocols such as CAN FD or SPI. Consider the wide operating temperature range for under-hood installations. The unidirectional channel configuration is suitable for signal transmission from controller to actuator side.

Digital Isolators Part Context

This part belongs to the Si86S6x series of automotive digital isolators. It shares the same core isolation architecture and functional block diagram with other variants in the family, differing primarily in insulation voltage ratings and package options. The series is designed to replace optocouplers in automotive applications, offering improved speed and reliability.

Digital Isolators Replacement Considerations

Direct replacements include SI86S640EE-AS2 (tube package) for identical electrical specifications with different packaging. For lower insulation voltage requirements, SI86S640BC-AS1R offers 3.75 kVrms isolation. SI86SL41EE-AS2 provides similar functionality with potentially different power consumption profiles.