MP24893DQ-LF-Z

LED Driver IC Overview

The MP24893DQ-LF-Z is a monolithic step-down white LED driver IC from Monolithic Power Systems. It operates within an input voltage range of 6 V to 36 V and delivers up to 1 A output current. The device utilizes hysteretic control topology and features a compact QFN-6 package. It supports both analog and PWM dimming methods for brightness regulation. The component includes integrated short circuit and thermal protection mechanisms. Operating temperatures span from -40°C to +125°C, with a switching frequency adjustable between 200 kHz and 600 kHz.

LED Driver IC Feature Summary

• Integrates hysteretic control architecture for efficient step-down conversion
• Supports combined analog and PWM dimming control via the DIM pin
• Includes internal short circuit and thermal shutdown protection

LED Driver IC Applications

• White LED backlighting systems
• General LED lighting fixtures
• Signage illumination

LED Driver IC Procurement Notes

Verify the NRND (Not Recommended for New Designs) status before finalizing procurement plans. Confirm that the QFN-6 package dimensions align with existing PCB footprints. Ensure compatibility with required dimming signal levels. Check for RoHS compliance documentation if mandated by project specifications. Review alternative components due to potential end-of-life constraints.

LED Driver IC Selection Notes

Select this component for applications requiring a single-channel buck LED driver with wide input voltage tolerance. The QFN-6 package suits space-constrained designs. Verify that the 1 A current limit meets load requirements. Consider the hysteretic control behavior when designing compensation networks. Ensure thermal management strategies accommodate the specified power dissipation limits in the target enclosure.

LED Driver IC Part Context

This part belongs to the MP24893 series of LED drivers. It shares functional similarities with the MP24893DQ-LF-P variant, differing primarily in packaging or qualification grades. The series targets high-efficiency white LED driving solutions. It complements other MPS PMIC offerings for display and lighting markets.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data.