SI86S642EB-IU

Digital Isolators Overview

The SI86S642EB-IU is a Skyworks Solutions digital isolator featuring four unidirectional channels with capacitive coupling technology. It provides an insulation voltage of 2500 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 propagation delay of 8 ns. It is housed in a QSOP-16 package and functions reliably across an operating temperature range from -40°C to +125°C.

Digital Isolators Feature Summary

• Four-channel unidirectional signal isolation using capacitive coupling
• High-speed data transmission capability at 150 Mb/s
• Robust insulation rating of 2500 Vrms for safety compliance

Digital Isolators Applications

• Industrial automation control systems
• Medical equipment signal isolation
• Power management interface circuits

Digital Isolators Procurement Notes

Verify the specific suffix 'I-U' against official Skyworks documentation to confirm the exact pinout configuration and tape-and-reel specifications. Ensure that the QSOP-16 package dimensions align with your PCB footprint requirements. Cross-reference the datasheet for any recent product change notifications or reliability test results relevant to automotive or industrial deployment standards.

Digital Isolators Selection Notes

Select this component when four isolated bidirectional paths are not required, as it offers only unidirectional channels. Consider the 2500 Vrms isolation barrier sufficient for your application's safety standards compared to higher-rated variants like the SI86S642HC series. Evaluate the 150 Mb/s speed limit against your system's communication bandwidth needs before choosing over faster alternatives.

Digital Isolators Part Context

This part belongs to the Si86S6x family of automotive-grade digital isolators from Skyworks Solutions. It utilizes proprietary capacitive isolation technology to provide high common-mode transient immunity. The device is designed for robust performance in electrically noisy environments, serving as a critical interface between low-voltage logic and high-voltage power stages.

Digital Isolators FAQ

Is the SI86S642EB-IU suitable for bidirectional communication?

No, this specific model features four unidirectional channels only. For bidirectional applications, a different variant from the same family must be selected.

What is the maximum data rate supported by this isolator?

The SI86S642EB-IU supports a maximum data rate of 150 Mb/s.