SI8660EC-AS1R

Digital Isolators Overview

The SI8660EC-AS1R is a six-channel automotive digital isolator from Skyworks Solutions, utilizing capacitive coupling technology. It features a unidirectional signal path with a data rate of 150 Mb/s and an insulation voltage of 3750 Vrms. The device operates within a supply voltage range of 2.5 V to 5.5 V, consuming 8.8 mA of power. It exhibits a propagation delay of 8 ns and functions reliably across a temperature range of -40°C to +125°C. Packaged in SOIC-16 format, it meets AEC-Q100 standards for automotive applications.

Digital Isolators Feature Summary

• Six-channel unidirectional isolation using capacitive coupling
• Automotive-grade reliability compliant with AEC-Q100
• High insulation voltage rating of 3750 Vrms
• Low power consumption of 8.8 mA

Digital Isolators Applications

• Automotive battery management systems
• Inverter control circuits
• Motor drive interfaces
• On-board charger communication

Digital Isolators Procurement Notes

Verify the specific suffix AS1R indicates tape-and-reel packaging when sourcing. Confirm that the component matches the required 3750 Vrms isolation rating for your application's safety standards. Ensure the SOIC-16 package dimensions align with your PCB layout constraints. Cross-reference the manufacturer part number directly with official Skyworks documentation to avoid counterfeit or mislabeled inventory.

Digital Isolators Selection Notes

Select this component when high channel density is required alongside automotive qualification. The 150 Mb/s speed supports standard communication protocols in power electronics. Consider the 8 ns delay for timing-sensitive gate drive applications. Verify thermal requirements against the 125°C maximum operating limit. Compare against lower isolation variants if system voltage permits reduced footprint.

Digital Isolators Part Context

This part belongs to the Si866x family of digital isolators, designed for robust noise immunity in electrically noisy environments. The series utilizes Skyworks' proprietary capacitive isolation technology, offering superior performance over traditional transformer-based isolators. The automotive variant ensures compliance with stringent industry reliability standards for vehicle electronics.

Digital Isolators Replacement Considerations

SI8660ED-AS1R offers 5 kV isolation with identical pinout and functionality. SI8660BB-B-IS1R provides 2.5 kV isolation in a QSOP-16 package. Verify electrical ratings and package compatibility before substitution.