SI86S621BC-IS

Digital Isolators Overview

The SI86S621BC-IS is a digital isolator from Skyworks Solutions featuring two 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 on a supply voltage range of 2.5 V to 5.5 V, drawing a typical operating current of 8 mA. It is housed in an SOIC-NB-8 package and certified to AEC-Q100 standards for automotive applications. The component functions within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Integrates two unidirectional signal paths using high-reliability capacitive coupling isolation architecture.
• Includes integrated dc-dc converter capability to enable isolated power transfer across the barrier.
• Delivers high common-mode transient immunity to ensure signal integrity in noisy environments.
• Complies with AEC-Q100 qualification requirements for robust performance in automotive systems.

Digital Isolators Applications

• Automotive infotainment system interfaces
• Battery management system communication links
• Industrial motor control gate drivers
• Medical equipment signal isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'IS' indicates tube packaging when sourcing components. Confirm that the part meets AEC-Q100 grade specifications required for your target application environment. Ensure compatibility with the SOIC-NB-8 footprint during PCB layout. Check datasheet revisions for any updates regarding recommended operating conditions or thermal characteristics before finalizing procurement.

Digital Isolators Selection Notes

Select this component when bidirectional data flow is not required, as it offers only unidirectional channels. Consider the integrated dc-dc feature if board space for external isolated power supplies is limited. Compare propagation delay and jitter specifications against other Si86xx variants if precise timing alignment is critical. Verify that the 3750 Vrms isolation rating aligns with safety standards applicable to your circuit design.

Digital Isolators Part Context

This device belongs to the Si86S6x series of digital isolators designed for high-performance isolation needs. It complements other Skyworks isolation products by combining signal isolation with power delivery capabilities in a compact form factor. The series targets demanding applications requiring reliable data transmission across galvanic barriers while maintaining low power consumption and high noise immunity.

Digital Isolators Replacement Considerations

SI86S621BC-ISR: Identical electrical specifications but supplied in tape-and-reel packaging instead of tubes.