HV9985K6-G

Overview

The HV9985K6-G is a three-channel closed-loop LED driver IC manufactured by Microchip Technology. It operates within an input voltage range of 10 V to 40 V and utilizes a VQFN-40 surface-mount package. The device supports Boost, Buck, and SEPIC topologies for flexible LED configuration. It features PWM dimming capabilities along with integrated short circuit and thermal protection mechanisms to ensure reliable operation in lighting applications.

Feature Summary

• Three-channel closed-loop control architecture for precise current regulation
• Supports multiple switching topologies including Boost, Buck, and SEPIC
• Integrated PWM dimming interface for brightness control
• Built-in short circuit and thermal protection for system safety

Applications

• General LED lighting systems
• LED backlighting modules
• Signage illumination drivers

Procurement Notes

Verify the specific ordering suffix and package variant against the official Microchip datasheet before procurement. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the supplier provides valid traceability documentation. Cross-reference the manufacturer part number with authorized distributor listings to avoid counterfeit components.

Selection Notes

Select this component when a multi-channel solution with closed-loop feedback is required for LED strings. It is suitable for designs needing flexibility in topology selection to accommodate varying forward voltage drops. Consider the VQFN-40 package size for PCB space constraints. Evaluate the thermal management requirements based on the expected power dissipation in the target application environment.

Part Context

This part belongs to Microchip's HV9985 series of LED lighting drivers. It shares functional similarities with other models in the family but is distinguished by its specific channel count and package type. The series is designed for high-efficiency LED driving applications requiring robust protection features and precise current control across multiple channels.

Replacement Considerations

Check for direct pin-to-pin replacements within the same product family. Verify that alternative parts support the same input voltage range and output current capabilities. Ensure compatibility with existing PCB layout and thermal design constraints before substituting.