MPQ3387LGRT-AEC1-Z

Overview

The MPQ3387LGRT-AEC1-Z is an automotive-grade LED lighting driver IC featuring a boost topology with six independent current sources. It supports an input voltage range of 3 V to 25 V and delivers up to 45 mA per string. The device operates at a switching frequency of 1.25 MHz and utilizes a TQFN-24 package. Designed for white LEDs, it meets AEC-Q100 standards and functions within a temperature range of -40 °C to +125 °C.

Feature Summary

• Provides six independent high-side current sources for precise LED string regulation
• Supports mixed dimming modes combining analog control with PWM signals
• Includes comprehensive protection mechanisms such as overvoltage, overcurrent, and overtemperature safeguards

Applications

• Automotive LCD panel backlighting systems
• White LED array driving in vehicle interiors
• High-reliability automotive lighting circuits requiring AEC-Q100 compliance

Procurement Notes

Verify the specific suffix designation against official Monolithic Power Systems documentation to confirm exact manufacturing lot and qualification status. Ensure compatibility with system input voltage ranges and thermal management requirements before integration. Cross-reference the part number with authorized distributors to validate authenticity and supply chain integrity.

Selection Notes

Select this component for applications requiring six-channel LED drive capability within automotive environments. Consider the 3 V to 25 V input range and 1.25 MHz switching frequency when designing power stages. Evaluate thermal dissipation needs given the TQFN-24 package constraints and maximum operating temperature specifications.

Part Context

This part belongs to the MPQ3387 series of LED drivers from Monolithic Power Systems. It is specifically engineered for automotive electronics, distinguishing itself through AEC-Q100 certification. The series focuses on providing reliable backlighting solutions for display panels in vehicles, ensuring consistent performance under varying electrical conditions.

Replacement Considerations

MPQ3386DR-AEC1-LF-Z offers similar six-channel boost architecture but differs in minimum input voltage and specific feature sets. Verify pinout compatibility and electrical parameter alignment before substitution.