AL1673-20CSP-13

Overview

The AL1673-20CSP-13 is a universal flyback and buck-boost single-stage dimmable LED driver manufactured by Diodes Incorporated. It integrates high-voltage startup, power factor correction, and constant current regulation for offline LED applications. The device operates in SO-8EP package with thermal pad for efficient heat dissipation. It supports trailing edge dimming and provides comprehensive protection features including overvoltage, overcurrent, and open/short circuit protection to ensure reliable LED lighting performance.

Feature Summary

• Integrates universal flyback and buck-boost topology for single-stage dimmable LED driving
• Supports trailing edge dimming compatibility for enhanced user experience
• Includes built-in protection mechanisms against overvoltage, overcurrent, and fault conditions

Applications

• Offline dimmable LED lighting systems
• Universal input AC-DC LED drivers
• Compact LED bulb designs requiring high power factor

Procurement Notes

Verify component authenticity through authorized Diodes Incorporated distributors or certified partners. Confirm package integrity and pin alignment upon receipt. Cross-reference datasheet revisions to ensure design compatibility. Check for specific ordering suffixes that may indicate tape-and-reel quantities or packaging variations. Validate RoHS compliance status if required for your manufacturing process.

Selection Notes

Select this component for applications requiring integrated PFC and constant current regulation in a compact form factor. Ensure input voltage range matches the target AC line specifications. Verify thermal management requirements align with the SO-8EP package capabilities. Consider dimming interface compatibility with existing control circuits before finalizing the design.

Part Context

This part belongs to Diodes Incorporated's LED driver portfolio designed for offline applications. It replaces older discrete solutions by integrating multiple functions into a single IC. The AL1673 series focuses on cost-effective and space-saving designs for consumer and commercial lighting products.

Replacement Considerations

Check Diodes Incorporated PCN documents for obsolescence notices. Verify functional equivalence with alternative LED drivers from other manufacturers regarding pinout, electrical characteristics, and thermal performance before substitution.