MP3309CGQG-Z

LED Driver IC Overview

The MP3309CGQG-Z is a synchronous boost WLED driver IC from Monolithic Power Systems, designed for mobile devices. It operates with an input voltage range of 2.7 V to 5.5 V and delivers up to 1.5 A output current. The device features a fixed switching frequency of 640 kHz and supports a maximum output voltage of 35 V. Packaged in a compact QFN-10 (1.4x1.8 mm) format, it includes analog and PWM dimming capabilities. Operating temperatures span from -40 °C to +125 °C TJ.

LED Driver IC Feature Summary

• Supports both analog and PWM dimming methods for brightness control
• Integrates synchronous rectification to enhance power efficiency
• Includes I2C interface for digital configuration and protection settings

LED Driver IC Applications

• Smartphone backlight systems
• Tablet display backlighting
• Mobile device white LED drivers

LED Driver IC Procurement Notes

Verify the specific suffix Z indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the QFN-10 footprint matches your PCB layout requirements. Cross-reference the datasheet for thermal performance limits under your specific operating conditions.

LED Driver IC Selection Notes

Select this component for applications requiring high-efficiency synchronous boost conversion in space-constrained mobile designs. The integrated I2C interface allows for precise digital control of LED current and protection thresholds. Consider the 1.5 A current limit and 35 V output capability when sizing external components for your specific LED string configuration.

LED Driver IC Part Context

This part belongs to the MP3309C series of WLED drivers optimized for portable electronics. It utilizes peak current mode control with a low feedback voltage of 200 mV to minimize power loss. The design emphasizes small PCB area reduction through its compact QFN-10 package and integrated synchronous MOSFETs.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by comparing electrical parameters and pin configurations against alternative drivers.