R2A20134ASP#W5

Overview

The R2A20134ASP#W5 is a single-stage LED driver IC designed for high-efficiency lighting applications. It features voltage step-down control to support high line-to-ground voltages and utilizes critical-conduction mode for zero-current switching at turn-on. This architecture enables the use of low-voltage MOSFETs rated between 300 V and 500 V, reducing system costs. The device achieves a power factor of 92% by minimizing switching power losses.

Feature Summary

• Supports single-stage voltage step-down control for high line-to-ground voltage operation
• Enables selection of low-voltage MOSFETs with 300 V to 500 V tolerance
• Utilizes critical-conduction mode to achieve zero-current switching at turn-on

Applications

• LED lighting systems requiring high efficiency
• High power factor AC-DC conversion circuits
• Cost-sensitive general illumination designs

Procurement Notes

Verify the specific suffix W5 against official Renesas documentation to confirm package type and tape-and-reel specifications. Ensure compliance with RoHS standards and check for any lifecycle status changes such as Last Time Buy notifications before finalizing procurement plans.

Selection Notes

Select this component when designing LED drivers that require high power factor correction without complex multi-stage topologies. It is suitable for applications where reducing BOM cost through lower-rated MOSFETs is a priority while maintaining high efficiency.

Part Context

This part belongs to the R2A20134 series of LED driver ICs from Renesas Electronics. The series is engineered to provide high performance in lighting applications by combining efficient control modes with cost-effective component requirements.

Replacement Considerations

Consult official Renesas substitution lists for verified alternatives. Generic cross-reference may not account for specific pinout or electrical characteristic differences required for direct replacement.