SI86S622BE-AS4R

Digital Isolators Overview

The SI86S622BE-AS4R is an automotive-grade digital isolator from the Si86S6x series, manufactured by Skyworks Solutions. It features two unidirectional channels utilizing capacitive coupling technology to provide electrical isolation. The device supports a maximum data rate of 150 Mbps and offers up to 6000 VRMS insulation voltage. It operates within a wide supply voltage range of 2.25 V to 5.5 V. Key timing parameters include a propagation delay of 13.5 ns, with rise and fall times of 2.5 ns each. The component is designed for high common-mode transient immunity and functions reliably across an operating temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Automotive-grade qualification for reliable operation in demanding vehicle environments
• High-speed signal transmission capability supporting data rates up to 150 Mbps
• Robust isolation barrier providing up to 6000 VRMS insulation voltage
• Wide supply voltage compatibility ranging from 2.25 V to 5.5 V

Digital Isolators Applications

• Automotive electronic control units requiring galvanic isolation
• Inverter gate drive circuits in electric vehicles
• On-board charging systems for hybrid and electric vehicles
• Battery management system interfaces

Digital Isolators Procurement Notes

Verify the specific suffix AS4R indicates reel packaging when sourcing components. Confirm that the automotive grade designation aligns with your project's reliability standards. Ensure the SOIC-NB-8 package dimensions match your PCB footprint requirements. Check for RoHS compliance documentation if required by your manufacturing regulations. Validate that the 150 Mbps data rate meets your system's communication speed needs.

Digital Isolators Selection Notes

Select this component when high isolation voltage and automotive reliability are required. The 6000 VRMS rating suits applications with significant potential differences between circuits. The unidirectional channel configuration is suitable for one-way data transfer scenarios. Consider the 13.5 ns propagation delay for timing-sensitive designs. The wide operating temperature range ensures functionality in harsh automotive environments.

Digital Isolators Part Context

This part belongs to the Si86S6x family of CMOS digital isolators from Skyworks Solutions. These devices utilize capacitive coupling technology instead of traditional magnetic or optical methods. The family includes various configurations for different channel counts and isolation levels. The automotive variants are specifically qualified for use in vehicle electronics. This series provides a compact solution for replacing optocouplers in modern designs.

Digital Isolators Replacement Considerations

SI86S622BE-IS4 is a tube-packaged version of the same functional device. SI86S622BC-AS4 offers lower 3750 VRMS isolation but shares similar electrical characteristics. Verify pinout compatibility before substituting with other Skyworks isolator models. Ensure any replacement maintains the required automotive grade certification.