NUD4001DR2G

Overview

The NUD4001DR2G is a high-current LED driver IC designed for low-voltage AC-DC applications. It supports input voltages from 5 V to 30 V and delivers a constant output current of up to 500 mA. The device utilizes Boost and Buck topologies to drive LED arrays efficiently. It operates within a temperature range of -40 °C to +125 °C and features a maximum power dissipation of 1.13 W. Packaged in an SOIC-8 surface-mount format, it integrates multiple functions to replace discrete solutions.

Feature Summary

• Provides constant current regulation to maintain consistent LED brightness across varying input conditions.
• Integrates boost and buck converter topologies into a single package to reduce component count and board space.
• Allows flexible current setting via a single external resistor for various LED array configurations.

Applications

• Low voltage AC-DC lighting systems
• Automotive interior and exterior lighting such as tail lights and indicators
• Portable battery-powered devices requiring stable illumination

Procurement Notes

Verify the specific suffix DR2G corresponds to the SOIC-8 tape and reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure thermal management strategies account for the specified power dissipation limits under maximum load conditions.

Selection Notes

Select this component when designing circuits that require a compact solution for driving LEDs from 5 V to 30 V sources. It is suitable for replacing discrete designs where space constraints and bill-of-materials reduction are critical priorities. Consider the SOIC-8 footprint compatibility during PCB layout planning.

Part Context

This part belongs to the NUD4001 series of LED drivers manufactured by onsemi. It is categorized under LED Lighting Drivers and is intended for automotive and general lighting markets. The device simplifies design by combining control logic and power stages into one integrated circuit.

Replacement Considerations

NSVD4001DR2G is a documented variant within the same family offering similar functionality.