MPQ2489DQ-LF-P

Overview

The MPQ2489DQ-LF-P is an automotive-grade monolithic LED driver IC from Monolithic Power Systems. It implements a buck topology to drive white LEDs with a maximum output current of 1 A. The device operates within an input voltage range of 6 V to 55 V and supports a switching frequency of 600 kHz. It features PWM dimming capabilities and open LED protection. The component is housed in a QFN-6 package and is qualified under the AEC-Q100 standard for automotive applications.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• Integrated buck converter topology for efficient power regulation
• Supports PWM dimming control for brightness adjustment
• Includes open LED protection circuitry

Applications

• White LED driving in automotive lighting systems
• Automotive interior illumination circuits
• Automotive exterior lighting modules

Procurement Notes

Verify the specific suffix against official manufacturer documentation, as ordering codes define package type and tape/reel specifications. Confirm that the requested variant matches the required automotive grade and RoHS compliance status. Ensure the design accounts for the specified thermal dissipation limits and operating temperature range during integration.

Selection Notes

Select this component for designs requiring AEC-Q100 certified drivers with a 1 A output capacity. The wide input voltage range accommodates various automotive supply conditions. Consider the QFN-6 package for space-constrained layouts. Verify compatibility with the system's required switching frequency and dimming interface requirements before finalizing the bill of materials.

Part Context

This part belongs to the MPQ2489 series of automotive-grade LED drivers. It shares functional similarities with other MPS buck LED drivers but is distinguished by its specific automotive qualification and 1 A output rating. It serves as a specialized solution for high-reliability automotive lighting applications where strict environmental and performance standards are mandated.

Replacement Considerations

The MPQ2489DQ-LF-Z is a verified alternative offering identical electrical characteristics and functionality. Both variants belong to the same product family and share the same core specifications. Selection between them depends on packaging preferences and availability.