SI86S622BE-AS4

Digital Isolators Overview

The SI86S622BE-AS4 is a high-speed digital isolator from Skyworks Solutions, designed for automotive applications. It features two unidirectional channels with capacitive coupling technology. The device supports data rates up to 150 Mb/s and offers an insulation voltage of 6000 Vrms. It operates within a supply voltage range of 2.25 V to 5.5 V. Key electrical parameters include a propagation delay of 13.5 ns, rise/fall times of 2.5 ns, and a common-mode transient immunity of 100 kV/µs. The component functions across a temperature range of -40°C to +125°C and is housed in an SSO-8 package.

Digital Isolators Feature Summary

• Automotive-grade qualification for reliable operation in harsh environments
• High common-mode transient immunity ensures signal integrity under rapid voltage changes
• Capacitive coupling isolation provides robust barrier performance without magnetic interference

Digital Isolators Applications

• Automotive powertrain control systems
• Inverter gate drive circuits
• Motor control interfaces

Digital Isolators Procurement Notes

Verify the specific suffix AS4 against official Skyworks documentation to confirm package type and tape-and-reel configuration. Ensure the selected variant meets the required automotive reliability standards and operating temperature range for your specific application design constraints.

Digital Isolators Selection Notes

Select this component when high-speed bidirectional communication is not required, as it supports only unidirectional channels. Consider the 6000 Vrms isolation rating for safety-critical applications. Verify that the SSO-8 footprint fits the PCB layout constraints and that the 2.25 V to 5.5 V supply range matches the system power architecture.

Digital Isolators Part Context

This part belongs to the Si86S6x series of automotive digital isolators. It utilizes Skyworks' proprietary capacitive isolation technology, which is known for low power consumption and high reliability compared to traditional transformer-based isolators. The series is optimized for demanding industrial and automotive environments requiring strict safety compliance.

Digital Isolators Replacement Considerations

Check for direct pin-compatible alternatives within the Si86S6x family, such as variants with different channel counts or isolation ratings. Ensure any substitute maintains the same unidirectional configuration and automotive grade certification.