MP3326AGRE-Z

LED Driver IC Overview

The MP3326AGRE-Z is a 16-channel WLED driver IC from Monolithic Power Systems. It operates within a 4.5V to 16V supply voltage range and delivers 80mA per channel. The device supports PWM frequencies of 220Hz, 250Hz, 280Hz, 330Hz, and 1MHz. It features separated PWM and analog dimming with I2C interface control. Protection mechanisms include LED open/short circuit, over-temperature, and UVLO. The component is housed in a QFN-24 package.

LED Driver IC Feature Summary

• Supports separated PWM and analog dimming via I2C interface
• Includes comprehensive protection for LED open, short circuit, and over-temperature conditions
• Configurable addressable architecture using external resistor

LED Driver IC Applications

• LED backlighting systems
• Instrument clusters
• General displays
• RGB drivers
• LED indicators

LED Driver IC Procurement Notes

Verify the specific suffix 'Z' indicates RoHS compliance and halogen-free status as per MPS standards. Confirm the QFN-24 package dimensions match your PCB footprint requirements. Ensure the I2C address configuration via external resistor aligns with your system's bus topology. Validate that the 80mA output current meets the target LED string specifications.

LED Driver IC Selection Notes

Select this component for applications requiring independent channel control without complex external logic. The integrated I2C interface simplifies design compared to parallel control schemes. Consider the thermal performance in the QFN-24 package for high-density layouts. Verify input voltage stability within the 4.5V to 16V range for reliable operation across all operating temperatures.

LED Driver IC Part Context

This part belongs to the MP3326A series of multi-channel LED drivers designed for display illumination. It integrates linear current regulation for each channel, eliminating the need for external sense resistors in many configurations. The series targets portable electronics and automotive instrumentation where space efficiency and precise brightness control are critical.

LED Driver IC Replacement Considerations

Check MPS datasheets for pin-compatible alternatives within the MP3326 family. Verify if higher or lower current variants like the MP3327 or MP3325 meet electrical requirements. Ensure any substitute maintains the same QFN-24 package and I2C interface compatibility.