SI86SQ44BE-AS2R

Digital Isolators Overview

The SI86SQ44BE-AS2R is a Skyworks Solutions automotive-grade digital isolator featuring four reversible channels. It utilizes capacitive coupling technology to provide high-speed signal isolation with a data rate of 150 Mbps. The device offers a robust insulation voltage of 6000 Vrms and a common-mode transient immunity (CMTI) of 150 kV/µs. Designed for QSPI compatibility, it operates within a supply voltage range of 2.25 V to 5.5 V. The component is housed in a 16-SOIC package and supports an operating temperature range from -40°C to +125°C.

Digital Isolators Feature Summary

• Provides four bidirectional channels for flexible signal routing across isolation barriers
• Features high common-mode transient immunity to maintain signal integrity in noisy environments
• Supports QSPI interface protocols for secure communication applications
• Certified to AEC-Q100 standards for reliable automotive operation

Digital Isolators Applications

• Automotive telematics systems requiring isolated data links
• Advanced driver assistance systems (ADAS) sensor interfaces
• Inverter gate drive control circuits
• Industrial motor control isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'R' indicates reel packaging when sourcing. Confirm that the part meets current AEC-Q100 qualification requirements for your target application. Ensure the supplier provides valid traceability documentation. Check for any recent product change notifications regarding manufacturing sites or materials. Validate that the component matches the exact pinout and electrical specifications required by your design.

Digital Isolators Selection Notes

Select this component when high-voltage isolation is required for bidirectional data transmission. It is suitable for designs needing QSPI protocol support across isolation boundaries. Consider its wide operating temperature range for harsh automotive environments. Evaluate its CMTI performance against system noise levels. Compare its channel count and speed against other isolators if lower power consumption is critical.

Digital Isolators Part Context

This part belongs to the Si86SQx family of automotive digital isolators. It complements other Skyworks solutions like the SI86SQ44BB-AU by offering higher insulation voltage ratings. The family focuses on providing robust isolation for safety-critical automotive electronics. It shares functional similarities with other high-channel-count isolators but distinguishes itself through its specific voltage and bidirectional capabilities.

Digital Isolators Replacement Considerations

The SI86SQ44EB-AU is listed as a parameter-equivalent alternative. Verify compatibility regarding insulation voltage differences between the BE and EB series variants.