MP24183DQ-LF-P

LED Driver IC Overview

The MP24183DQ-LF-P is a programmable frequency white LED driver manufactured by Monolithic Power Systems Inc. It features a unique step-up/down operation, functioning as a buck-boost converter to accommodate varying input and output voltage conditions. The device integrates an internal power MOSFET switch with a resistance of 0.28 ohms, designed for efficient power conversion in LED applications. It is housed in a compact 10-pin QFN package with an exposed pad, suitable for space-constrained designs.

LED Driver IC Feature Summary

• Programmable switching frequency allows optimization for efficiency and component size
• Buck-boost topology supports both step-up and step-down voltage conversion modes
• Integrated low-resistance internal power MOSFET reduces external component count

LED Driver IC Applications

• White LED lighting systems requiring flexible input voltage ranges
• Portable electronic devices utilizing battery-powered LED illumination
• Automotive interior or exterior lighting modules with variable supply voltages

LED Driver IC Procurement Notes

Verify the specific datasheet version and ordering suffixes to ensure compatibility with your design requirements. Confirm that the 10-VFDFN package dimensions match your PCB footprint constraints. Check RoHS compliance documentation if required by your manufacturing standards. Ensure the supplier provides traceability for the Monolithic Power Systems Inc. origin.

LED Driver IC Selection Notes

Select this component when the application demands a single IC solution for both buck and boost operations in LED driving. The programmable frequency feature is critical for minimizing passive component sizes while maintaining desired ripple characteristics. Consider the thermal performance of the exposed pad QFN package for adequate heat dissipation in high-current scenarios.

LED Driver IC Part Context

This part belongs to the Monolithic Power Systems LED driver family, specifically designed for white LED applications. It distinguishes itself from standard buck or boost converters by its ability to handle input voltages both above and below the output voltage. The integration of the power switch simplifies the bill of materials compared to discrete solutions.

LED Driver IC Replacement Considerations

Direct substitutes may include other MPS buck-boost LED drivers with similar pinouts and electrical characteristics. Verify that any alternative part maintains the 0.28 ohm internal switch resistance and compatible operating temperature range. Cross-reference the 10-pin QFN package dimensions to ensure mechanical interchangeability without PCB redesign.