HV9912NG-G

Overview

The HV9912NG-G is a switch-mode LED driver IC manufactured by Microchip Technology, designed for high-efficiency lighting applications. It supports Buck, Boost, and SEPIC topologies with a single output channel housed in a 16-SOIC package. The device operates within an input voltage range of 9 V to 100 V and features adjustable switching frequencies between 106 kHz and 580 kHz. It provides analog and PWM dimming capabilities with a specified operating temperature range from -40°C to +125°C.

Feature Summary

• Supports multiple DC/DC converter topologies including Buck, Boost, and SEPIC configurations.
• Enables precise current regulation through integrated high-accuracy control mechanisms.
• Offers flexible dimming options via both analog and Pulse Width Modulation (PWM) inputs.

Applications

• General illumination systems
• LED backlighting units
• High-brightness LED drivers

Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm exact packaging and tape-and-reel specifications. Ensure compatibility with required thermal management solutions given the SOIC-16 form factor. Confirm RoHS compliance status and moisture sensitivity levels prior to assembly planning.

Selection Notes

Select this component when designing circuits requiring versatile topology support for varying LED string voltages. Consider the wide input voltage range and dual dimming methods for complex lighting control architectures. Evaluate thermal performance requirements relative to the 16-SOIC package constraints.

Part Context

This part belongs to the HV9912 series of switch-mode LED drivers from Microchip Technology. It is engineered for standalone operation without internal power switches, relying on external MOSFETs for power handling. The series targets efficient power conversion in compact lighting designs.

Replacement Considerations

Check for direct pin-compatible alternatives within the same family or verify functional equivalents with matching topology support. Ensure any substitute maintains the required input voltage range and dimming interface compatibility.

FAQ

What switching topologies are supported by the HV9912NG-G?

The device supports Buck, Boost, and SEPIC topologies for driving LED loads.

Does the HV9912NG-G support digital dimming?

Yes, it supports both analog and Pulse Width Modulation (PWM) dimming methods.