MPQ3369GF-AEC1-P

Overview

The MPQ3369GF-AEC1-P is a six-channel boost LED driver IC designed for automotive applications, qualified to AEC-Q100 standards. It supports an input voltage range of 3.5 V to 36 V and delivers up to 100 mA per channel. The device operates at a switching frequency between 340 kHz and 2.42 MHz with a fixed 5 V output. Key specifications include a maximum supply current of 5 mA and an operating temperature range from -40°C to +125°C.

Feature Summary

• Supports high-contrast dimming with a 15000:1 ratio via I2C control and PWM dimming capabilities.
• Integrates open LED protection mechanisms to ensure system reliability during fault conditions.
• Features low quiescent current consumption suitable for battery-powered automotive environments.

Applications

• Automotive exterior lighting systems
• Interior ambient illumination circuits
• Dashboard and instrument cluster backlighting

Procurement Notes

Verify the specific suffix GF-AEC1-P against official Monolithic Power Systems documentation to confirm package type and automotive qualification status. Ensure compatibility with required I2C interface protocols and thermal management solutions for the target application environment before finalizing procurement decisions.

Selection Notes

Select this component when designing multi-channel LED arrays requiring precise digital control and high dimming ratios. Consider the fixed 5 V output topology and boost configuration suitability for driving series-connected LED strings within the specified voltage window.

Part Context

This part belongs to the MPQ3369 family of synchronous step-down converters and LED drivers manufactured by Monolithic Power Systems. It is specifically engineered for automotive-grade reliability, distinguishing it from commercial variants through rigorous qualification processes and extended temperature performance ratings.

Replacement Considerations

Consult official substitution guides for equivalent MPS LED drivers. Verify pinout compatibility and electrical parameter alignment with alternative models such as the MPQ7220GF-AEC1-P if channel count or control interfaces differ.

FAQ

What is the maximum dimming ratio supported by this IC?

The MPQ3369GF-AEC1-P supports a maximum dimming ratio of 15000:1.

Does this component support digital communication?

Yes, the device features an I2C interface for configuration and control.