SI86S640EC-IS1

Overview

The SI86S640EC-IS1 is a Skyworks Solutions digital isolator featuring four unidirectional channels with capacitive coupling technology. It provides an insulation voltage of 3750 Vrms 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, exhibiting a typical propagation delay of 8 ns. It is housed in a SOIC-NB-16 package and complies with AEC-Q100 automotive qualification standards.

Feature Summary

• Four-channel unidirectional signal isolation using advanced capacitive coupling
• High common-mode transient immunity for reliable noise rejection
• Automotive-grade reliability compliant with AEC-Q100 standards

Applications

• Automotive battery management systems
• Inverter control circuits
• Motor drive interfaces
• Industrial communication gateways

Procurement Notes

Verify the specific suffix IS1 indicates tube packaging when sourcing components. Confirm that the EC designation aligns with required automotive qualification levels. Ensure the SOIC-NB-16 footprint matches the target PCB layout constraints before finalizing procurement orders.

Selection Notes

Select this component for applications requiring high-speed unidirectional isolation with automotive certification. Compare against bidirectional variants if signal directionality requirements differ. Validate that the 150 Mb/s data rate meets system timing specifications and that the 3750 Vrms isolation level satisfies safety clearance requirements.

Part Context

This part belongs to the Si86S6x family of automotive digital isolators from Skyworks Solutions. The series integrates capacitive isolation technology designed for harsh electromagnetic environments. It complements other channel configurations within the broader Si86xx product line.

Replacement Considerations

SI86S640BC-AS1R: Automotive grade variant with different packaging and potentially distinct qualification parameters.