HV9963NG-G-M901

Overview

The HV9963NG-G-M901 is a closed-loop LED driver IC from Microchip Technology, designed for high-performance lighting applications. It supports boost and buck topologies with an adjustable output voltage range. The device operates on a supply voltage between 8 V and 40 V, featuring a fixed switching frequency of 520 kHz. It provides enhanced PWM dimming capabilities and includes open LED protection. The component is housed in a 16-SOIC package and functions within a temperature range of -40°C to +125°C.

Feature Summary

• Closed-loop control architecture ensures stable LED current regulation
• Enhanced PWM dimming functionality for precise light intensity adjustment
• Integrated open LED protection mechanism safeguards against fault conditions

Applications

• General solid-state lighting systems
• Commercial LED illumination fixtures
• Industrial LED driver designs

Procurement Notes

Verify the specific suffix M901 indicates tape and reel packaging containing 2600 units, distinct from tube-packaged variants. Confirm RoHS compliance status and ensure the 16-SOIC footprint matches your PCB layout requirements. Cross-reference the datasheet for exact electrical characteristics relevant to your specific circuit design constraints.

Selection Notes

Select this component when closed-loop regulation is required for consistent LED performance across varying input conditions. The integrated protection features simplify system design by reducing external component count. Ensure the operating voltage and thermal environment align with the specified 8 V to 40 V range and -40°C to +125°C operational limits.

Part Context

This part belongs to the HV9963 series of LED drivers, which are engineered for efficient power management in lighting applications. The series offers flexibility through support for multiple converter topologies. The specific model integrates advanced control features to meet stringent efficiency and reliability standards in modern electronic lighting solutions.

Replacement Considerations

Check for direct substitutes within the HV9963 family or compatible Microchip LED driver lines. Verify pin compatibility and electrical parameter alignment before substitution. Consult official documentation for any functional differences between original and replacement parts.