SI86S621BE-IS4R

Digital Isolators Overview

The SI86S621BE-IS4R is a digital isolator from the Si86S6x series, manufactured by Skyworks Solutions. It features two unidirectional channels with capacitive coupling isolation technology. The device provides a high insulation voltage of 6000 Vrms and is designed for automotive applications, indicated by the 'B' suffix. It operates within a supply voltage range of 2.5 V to 5.5 V and supports data rates up to 150 Mb/s. The component is housed in an SSO-8 surface-mount package and is rated for operation between -40°C and +125°C.

Digital Isolators Feature Summary

• Automotive-grade qualification for reliable performance in vehicle environments
• High-voltage capacitive isolation barrier ensuring signal integrity
• Dual-channel unidirectional data transmission capability

Digital Isolators Applications

• Automotive electronic control units (ECUs)
• Inverter gate drive circuits
• On-board charging systems

Digital Isolators Procurement Notes

Verify the specific suffix IS4R indicates tape-and-reel packaging configuration. Confirm automotive grade compliance through official Skyworks documentation. Check for RoHS compliance status prior to integration. Ensure ESD handling procedures are followed due to moisture sensitivity classification.

Digital Isolators Selection Notes

Select this part when automotive certification is required alongside high isolation voltage. Compare against standard industrial variants if automotive qualification is unnecessary. Verify channel directionality matches system architecture. Ensure operating temperature range aligns with environmental constraints.

Digital Isolators Part Context

This component belongs to the Si86S6x family of digital isolators. It shares core isolation technology with other models in the series but differs in packaging and automotive qualification. The SSO-8 package offers a compact footprint suitable for space-constrained designs.

Digital Isolators Replacement Considerations

SI86S621FE-IS4R is a non-automotive equivalent with identical electrical specifications. SI86S621BC-ISR offers similar functionality in a different package variant.