MP2488DQ-LF-P

LED Driver IC Overview

The MP2488DQ-LF-P is a high-power buck LED driver IC from Monolithic Power Systems. It operates with an input voltage range of 4.5 V to 55 V and delivers up to 2 A output current. The device features a fixed switching frequency of 200 kHz and integrates an internal power switch. It supports PWM dimming for brightness control and includes comprehensive protection features such as over-current, over-temperature, and undervoltage lockout. Packaged in a compact 10-QFN (3x3 mm) format, it is designed for efficient high-power LED applications.

LED Driver IC Feature Summary

• Integrates a high-voltage internal power switch for simplified design
• Supports precise PWM dimming for adjustable LED brightness
• Includes built-in thermal shutdown and over-current protection

LED Driver IC Applications

• High-power LED lighting modules
• General illumination systems
• Automotive exterior lighting

LED Driver IC Procurement Notes

Verify the specific suffix 'P' against official MPS documentation to confirm package or tape-and-reel specifications, as suffixes can indicate variations in packaging or material compliance. Ensure the component meets RoHS requirements if applicable to your assembly process. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and availability status before procurement.

LED Driver IC Selection Notes

Select this component when designing circuits requiring a wide input voltage range up to 55 V and high output current capability. The 200 kHz switching frequency allows for the use of smaller external inductors compared to lower-frequency alternatives. Consider the 10-QFN package size for space-constrained PCB layouts. Ensure adequate thermal management is provided due to the power dissipation characteristics of the integrated switch.

LED Driver IC Part Context

This part belongs to the MP2488 series of synchronous buck LED drivers from Monolithic Power Systems. The series is engineered for high-efficiency power conversion in lighting applications. The MP2488DQ variant specifically denotes the QFN package option within this family, offering a balance between performance and footprint for modern electronic designs.

LED Driver IC Replacement Considerations

Check for direct pin-compatible substitutes within the MP2488 family, such as MP2488DQ-LF-Z, ensuring electrical parameters match. Verify that any alternative component maintains the same input voltage range and output current capacity. Confirm compatibility with existing PCB footprints and thermal requirements before substitution.