MP3367GR-Z

LED Driver IC Overview

The MP3367GR-Z is a six-channel step-up converter with integrated current sources designed for driving white LED arrays in small-to-mid-size LCD panel backlighting. It operates from a supply voltage range of 3.5V to 36V and delivers up to 150mA per channel. The device supports analog and PWM dimming with a high dimming ratio. It functions at a switching frequency of 2.2MHz and utilizes an I2C interface for configuration. The component is housed in a 24-QFN (4x4) package.

LED Driver IC Feature Summary

• Six independent constant-current channels for uniform LED array illumination
• Supports both analog and pulse-width modulation dimming techniques
• Integrated I2C serial interface for programmable control and monitoring
• Built-in protection mechanisms including open/short LED detection

LED Driver IC Applications

• Backlighting for small-to-mid-size LCD panels
• White LED array drivers in portable electronic devices
• Industrial display systems requiring precise current regulation

LED Driver IC Procurement Notes

Verify the specific suffix GR-Z against the manufacturer's official datasheet to confirm pinout, thermal pad configuration, and RoHS compliance status. Ensure that the ordering information matches the exact package dimensions and marking codes provided in the latest Monolithic Power Systems documentation before finalizing procurement.

LED Driver IC Selection Notes

Select this component when designing circuits for multi-string LED backlights requiring individual channel control via I2C. It is suitable for applications needing high dimming ratios and operation within a wide input voltage range. Consider the 2.2MHz switching frequency for inductor size optimization and the 24-QFN package for space-constrained PCB layouts.

LED Driver IC Part Context

This part belongs to the MP3367 family of LED lighting driver ICs from Monolithic Power Systems. These devices are engineered specifically for WLED applications, offering a compact solution for integrating multiple current sources into a single controller. The series emphasizes efficiency and reliability for consumer electronics displays.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers: None identified.