SI88240BD-AS

Digital Isolators Overview

The SI88240BD-AS is an automotive-grade digital isolator featuring four independent channels with integrated DC-DC converter capability. It provides 5 kVrms isolation voltage and supports data rates up to 100 Mb/s. The device operates within a supply voltage range of 3 V to 5.5 V, offering a propagation delay of 18 ns. Packaged in a 20-SOIC wide format, it ensures high common-mode transient immunity for reliable signal transmission in harsh environments.

Digital Isolators Feature Summary

• Integrates a regulated DC-DC converter providing 3.3 V or 5.0 V output at peak power levels up to 2 W
• Utilizes capacitive coupling technology for robust signal isolation across the barrier
• Designed specifically for automotive applications meeting stringent reliability standards

Digital Isolators Applications

• Automotive battery management systems
• Inverter control circuits
• On-board charger interfaces
• Motor drive gate drivers

Digital Isolators Procurement Notes

Verify component authenticity through authorized Skyworks distributors. Confirm package marking matches SOIC-20 specifications. Check datasheet revision history for updates on electrical characteristics. Ensure storage conditions comply with moisture sensitivity level requirements prior to assembly.

Digital Isolators Selection Notes

Select this model when automotive certification and integrated power conversion are required. Compare channel count and isolation voltage against system requirements. Evaluate thermal performance under maximum load conditions. Consider pinout compatibility with existing PCB layouts during integration planning.

Digital Isolators Part Context

Part of the Si8824x family of quad digital isolators. Designed for high-reliability industrial and automotive sectors. Offers enhanced safety features compared to standard optocouplers. Supports complex system architectures requiring multiple isolated signals and power domains simultaneously.

Digital Isolators Replacement Considerations

SI88240BC-AS offers similar functionality with different insulation voltage ratings. Verify pin compatibility and thermal characteristics before substitution. Consult official replacement guides for cross-reference accuracy.