SI8661BD-B-IS2

Digital Isolators Overview

The SI8661BD-B-IS2 is a six-channel digital isolator from Skyworks Solutions, designed for automotive applications with AEC-Q100 qualification. It features capacitive coupling technology providing 5000 Vrms isolation voltage and supports data rates up to 150 Mb/s. The device operates within a supply voltage range of 2.375 V to 5.5 V, consuming typical power dissipation of 415 mW. It offers a propagation delay of 8 ns and functions reliably across an extended temperature range from -40 °C to +125 °C in a SOIC-Wide-16 package.

Digital Isolators Feature Summary

• Provides robust 5 kVrms insulation via capacitive coupling for high-noise environments
• Includes five forward and one reverse channel for flexible signal routing
• Certified to AEC-Q100 standards for automotive reliability requirements

Digital Isolators Applications

• Automotive engine control modules
• Inverter gate drive circuits
• Battery management systems

Digital Isolators Procurement Notes

Verify the specific suffix 'B-IS2' against official Skyworks documentation to confirm the wide SOIC package and tube packaging configuration. Ensure that the required insulation voltage rating of 5 kVrms aligns with system safety standards. Cross-reference the AEC-Q100 qualification status if the application mandates strict automotive grade compliance. Confirm operating temperature limits match the intended environmental conditions.

Digital Isolators Selection Notes

Select this component when high-speed data transmission at 150 Mb/s is required alongside strong galvanic isolation. The unidirectional polarity suits applications where signal flow is primarily one-way. Consider the low power consumption relative to other isolators for thermal management efficiency. The wide SOIC footprint may influence PCB layout decisions compared to narrower packages.

Digital Isolators Part Context

This part belongs to the Si866x series of digital isolators, which utilize silicon dioxide isolation technology. The series is engineered to replace traditional optocouplers in modern electronic designs. It provides superior performance in speed, power, and size while maintaining high reliability for industrial and automotive sectors.

Digital Isolators Replacement Considerations

SI8661BC-AS2