IW3617-00

Overview

The iW3617-00 is an AC/DC digital power controller designed for high-power-factor, dimmable LED drivers. It integrates a primary-side regulation (PSR) architecture with a built-in high-voltage MOSFET to minimize external component count. The device supports universal AC input and provides precise output voltage and current control. Key functionalities include programmable dimming via analog or digital interfaces, such as TRIAC, DALI, or PWM. It incorporates comprehensive protection features including over-voltage, over-current, and thermal shutdown to ensure system reliability in solid-state lighting applications.

Feature Summary

• Integrates primary-side regulation with a high-voltage power switch
• Supports multiple dimming methods including TRIAC, DALI, and PWM
• Provides high power factor correction without requiring secondary feedback
• Includes built-in protection mechanisms for enhanced system safety

Applications

• High-power-factor dimmable LED bulbs
• LED downlights and spotlights
• Commercial and industrial LED panel lights
• Smart LED lighting systems requiring digital control

Procurement Notes

Verify the specific suffix variant against the official Renesas datasheet to confirm pinout and feature set compatibility. Check current availability status through authorized distributors as supply conditions may vary. Ensure that the selected package type matches the thermal and mechanical requirements of the target PCB design. Cross-reference the ordering code with the manufacturer's latest documentation to avoid obsolete versions.

Selection Notes

Select this component for designs requiring simplified bill of materials due to integrated PSR and power switch capabilities. Consider its suitability for applications needing high power factor and low total harmonic distortion. Evaluate dimming interface options based on system requirements for analog or digital control. Assess thermal performance constraints related to the integrated MOSFET in the chosen package configuration.

Part Context

The iW3617 series belongs to Renesas' portfolio of AC/DC digital power controllers tailored for LED lighting. It succeeds earlier generations by offering improved efficiency and advanced dimming capabilities. The iW3617-00 specifically denotes a variant within this family, sharing core architectural features with other models like the iW3614 while potentially differing in specific pin configurations or factory settings. This series targets the growing demand for efficient and smart solid-state lighting solutions.

Replacement Considerations

Direct substitutes may include other iW361x variants from Renesas with compatible pinouts and electrical characteristics. Verify functional equivalence regarding dimming protocols and protection thresholds when considering cross-model replacements. Consult the official replacement guide for any updated components superseding this part number.