SI88341EC-IS

Digital Isolators Overview

The SI88341EC-IS is a Skyworks Solutions digital isolator featuring four unidirectional channels and an integrated DC-DC converter. It provides 3750 Vrms isolation voltage with capacitive coupling technology. The device supports data rates up to 100 Mb/s and operates within a supply voltage range of 3 V to 5.5 V. It is qualified under AEC-Q100 standards for automotive applications. The component functions across a temperature range of -40°C to +125°C and is housed in a 24-SOIC-WB package.

Digital Isolators Feature Summary

• Integrates a high-efficiency DC-DC converter to provide isolated power supply capability alongside signal isolation.
• Utilizes silicon dioxide (SiO2) capacitive coupling technology to achieve robust electrical isolation between circuits.
• Features unidirectional signal paths for each of the four independent channels to ensure controlled data flow.

Digital Isolators Applications

• Automotive electronic control units requiring AEC-Q100 qualification
• Industrial motor drive systems needing galvanic isolation
• Power conversion equipment utilizing integrated isolated power supplies

Digital Isolators Procurement Notes

Verify the specific suffix 'IS' corresponds to the tape-and-reel packaging format, as this affects handling procedures. Confirm that the AEC-Q100 qualification status meets the specific reliability requirements of the target application. Ensure the integrated DC-DC converter output specifications align with the load requirements of the receiving side circuitry before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when both signal isolation and isolated power generation are required in a single package. The 100 Mb/s data rate suits moderate-speed communication interfaces. Consider the 24-pin wide body package for thermal management and PCB layout flexibility. Verify input-output channel configuration matches the system architecture needs.

Digital Isolators Part Context

This part belongs to the SI88341 series of digital isolators from Skyworks Solutions. The series focuses on combining signal isolation with integrated power conversion capabilities. These devices are designed to replace traditional optocouplers in modern industrial and automotive designs, offering higher reliability and smaller form factors while maintaining high common-mode transient immunity.

Digital Isolators Replacement Considerations

SI88341ED-ISR is a related variant within the same family, though it may carry different lifecycle statuses or packaging configurations. Direct substitution requires verifying pinout compatibility and ensuring the replacement part maintains the required 3750 Vrms isolation rating and DC-DC converter functionality.