SI88242BC-AS

Digital Isolators Overview

The SI88242BC-AS is a Skyworks Solutions automotive-grade digital isolator featuring four independent channels with an integrated DC-DC converter. It provides 3750 Vrms isolation voltage and supports data rates up to 100 Mbps. The device exhibits a common-mode transient immunity of 40 kV/µs and operates within a temperature range of -40°C to 125°C. Packaged in a 20-SOIC (0.295 inch, 7.50 mm width) surface-mount format, it utilizes capacitive coupling technology for signal transmission across isolation barriers.

Digital Isolators Feature Summary

• Integrates a high-efficiency DC-DC converter to provide isolated power supply capability
• Delivers robust signal integrity through 40 kV/µs common-mode transient immunity
• Supports unidirectional data transmission across four isolated channels

Digital Isolators Applications

• Automotive battery management systems
• Electric vehicle charging infrastructure
• Industrial motor control interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'AS' confirms automotive grade qualification and integrated DC-DC functionality. Ensure the 20-SOIC package dimensions match the target PCB footprint. Confirm that the 3750 Vrms isolation rating meets system safety requirements. Validate operating temperature specifications against environmental conditions.

Digital Isolators Selection Notes

Select this component when automotive reliability and integrated isolated power are required. The built-in DC-DC converter simplifies design by eliminating external transformer components. High CMTI ensures reliable operation in electrically noisy environments typical of industrial and automotive applications.

Digital Isolators Part Context

This part belongs to the Si8824x family of digital isolators from Skyworks Solutions. It is designed for high-reliability applications requiring galvanic isolation between low-voltage control circuits and high-voltage power stages. The automotive designation indicates compliance with specific quality and reliability standards.

Digital Isolators Replacement Considerations

SI88242BC-IS serves as a general-purpose alternative without automotive qualification.