SI88244BD-AS

Digital Isolators Overview

The SI88244BD-AS is a Skyworks automotive-grade digital isolator featuring four independent channels with an integrated DC-DC converter. It provides 5000 Vrms isolation voltage and supports data rates up to 100 Mbps. The device operates within a supply voltage range of 3 V to 5.5 V, consuming approximately 11 mA of quiescent current. Propagation delay is specified at 18 ns, with rise and fall times of 2.5 ns. It functions reliably between -40°C and +125°C in a 20-SOIC package.

Digital Isolators Feature Summary

• Integrated secondary sensing feedback-controlled DC-DC converter for isolated power generation
• High common-mode transient immunity (CMTI) suitable for noisy environments
• Automotive qualification ensuring reliability under extreme temperature conditions

Digital Isolators Applications

• Automotive battery management systems
• Electric vehicle motor control interfaces
• On-board charger communication links
• Industrial inverter gate drive isolation

Digital Isolators Procurement Notes

Verify the AS suffix indicates automotive grade compliance and specific tape-and-reel or tube packaging requirements. Confirm RoHS status and moisture sensitivity level prior to assembly. Check for obsolescence notices or lifecycle changes from Skyworks Solutions Inc. Ensure the supplier provides valid traceability documentation for automotive quality standards.

Digital Isolators Selection Notes

Select this component when high-speed bidirectional isolation is required alongside integrated power delivery. The built-in DC-DC converter eliminates external transformer design complexity. Consider the 20-SOIC footprint for board space constraints. Validate that the 100 Mbps speed meets system timing requirements without excessive jitter.

Digital Isolators Part Context

Part of the Si8824x family of high-speed digital isolators. Designed specifically for demanding applications requiring robust signal integrity and galvanic isolation. Combines isolation technology with power conversion capabilities in a single compact package.

Digital Isolators Replacement Considerations

SI88244BC-IS is listed as a similar alternative by distributors. Verify pinout compatibility and electrical parameter equivalence before substitution. Note that some variants may have different lifecycle statuses or packaging options.