MPQ2484GF-AEC1-P

Overview

The MPQ2484GF-AEC1-P is an asynchronous multi-topology LED controller designed for automotive exterior lighting applications. It supports Buck and Buck-Boost configurations with a maximum output voltage of 75V. The device operates on an input supply voltage ranging from 4.5V to 45V, featuring a programmable switching frequency between 100kHz and 2.2MHz. Qualified under AEC-Q100 standards, it functions within a junction temperature range of -40°C to +150°C. The IC integrates analog and PWM dimming capabilities alongside comprehensive protection mechanisms including cycle-by-cycle current limit, output overvoltage protection, and short circuit protection.

Feature Summary

• Supports asynchronous Buck and Buck-Boost topologies for flexible LED drive configurations
• Integrates analog and PWM dimming control interfaces for brightness adjustment
• Includes external loop compensation capability for optimized stability
• Features integrated fault flag output for system monitoring

Applications

• Automotive exterior LED lighting systems
• LED headlamp modules
• Daytime running light circuits

Procurement Notes

Verify the complete part number including suffixes such as -P or -LF-Z against official Monolithic Power Systems documentation to ensure correct packaging and lead-free status. Confirm that the specific variant matches the required AEC-Q100 qualification level for automotive compliance. Cross-reference the datasheet revision date to validate technical specifications before integration into design files.

Selection Notes

Select this component when designing automotive exterior lighting requiring high voltage LED strings up to 75V. The wide input voltage range accommodates standard automotive electrical architectures. Ensure thermal management solutions support the specified operating temperature range and power dissipation limits. Verify compatibility with the chosen PCB footprint, specifically the 28-TSSOP-EP package dimensions.

Part Context

This device belongs to the MPQ series of power management integrated circuits manufactured by Monolithic Power Systems. It is specifically engineered for the automotive sector, adhering to strict reliability standards. The product line focuses on providing efficient and robust solutions for complex lighting applications in modern vehicles.

Replacement Considerations

MPQ2484GF-AEC1-Z is listed as a substitute part number by distributors.