IW3989-30

Overview

The iW3989-30 is a digital AC direct power controller IC designed for phase-cut dimmable LED luminaires. It integrates a high-voltage startup circuit and a digital control engine to manage power conversion. The device supports universal AC input voltages and provides precise regulation for LED strings. It features integrated protection mechanisms including over-voltage, over-current, and thermal shutdown. The component is available in a Reel or Cut Tape packaging format.

Feature Summary

• Digital control architecture for phase-cut dimming compatibility
• Integrated high-voltage startup and power management
• Comprehensive protection against electrical faults

Applications

• Phase-cut dimmable LED lighting systems
• AC direct drive LED luminaires
• Smart LED drivers requiring digital control

Procurement Notes

Verify current availability status as the part may be subject to limited supply or special order requirements. Confirm RoHS compliance details through official documentation before integration. Ensure the selected packaging option matches production line handling capabilities.

Selection Notes

Select this component for designs requiring digital control of AC-driven LED loads with dimming support. Evaluate thermal management needs based on the specific luminaire enclosure. Verify input voltage ranges match the target market specifications.

Part Context

Part of the iW3989 series from Renesas Electronics, focusing on digital power solutions for lighting applications. This series targets modern LED fixtures that require advanced control features beyond basic analog driving.

Replacement Considerations

Check for pin-compatible alternatives within the same family if supply constraints exist. Validate functional equivalence for dimming protocols when considering substitutes.