SI8660ED-ASR

Digital Isolators Overview

The SI8660ED-ASR is an automotive-grade digital isolator from the Si866x series, manufactured by Skyworks Solutions. It features six unidirectional channels with a data rate of 150 Mb/s and operates within a supply voltage range of 2.5 V to 5.5 V. The device provides 5000 Vrms insulation via capacitive coupling and supports a maximum operating temperature of +125°C. Key electrical parameters include an 8 ns propagation delay, 4 ns rise/fall times, and a typical supply current of 8.8 mA. It is housed in a 16-SOIC package.

Digital Isolators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability
• High common-mode transient immunity of 35 kV/µs per channel
• Ultra-low power consumption suitable for energy-efficient designs
• Capacitive isolation technology ensuring robust signal integrity

Digital Isolators Applications

• Automotive battery management systems (BMS)
• Inverter control circuits in electric vehicles
• Gate drive isolation for power switches
• On-board charger (OBC) communication interfaces

Digital Isolators Procurement Notes

Verify that the specific suffix 'ED' corresponds to the required insulation voltage and package width specifications. Confirm that the 'ASR' suffix aligns with the intended reel packaging quantity and moisture sensitivity level requirements. Ensure the component meets the necessary automotive grade certifications for the target application environment before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when high-channel count isolation is required in space-constrained automotive applications. The 150 Mb/s data rate supports standard communication protocols, while the wide operating temperature range ensures functionality in harsh environments. Consider the 16-SOIC footprint for PCB layout compatibility and verify that the unidirectional channel configuration matches the system's signal flow requirements.

Digital Isolators Part Context

This part belongs to the Si866x family of digital isolators, which utilizes Skyworks' proprietary silicon dioxide (SiO2) isolation technology. The family offers various configurations ranging from single to sixteen channels with different insulation voltages. The SI8660ED-ASR specifically addresses the need for high-reliability, low-power isolation in automotive power electronics and control systems.

Digital Isolators Replacement Considerations

Direct substitutes within the same family include SI8660BD-ASR and SI8660EC-AS1, though differences in insulation voltage ratings and specific package dimensions must be verified against the design requirements.