MP3373GM

LED Driver IC Overview

The MP3373GM-Z is an 8-channel Boost WLED controller from Monolithic Power Systems, designed for driving multiple LED strings. It features a switching frequency of 785 kHz and supports up to 90% duty cycle with a maximum output voltage of 10 V per channel. Each channel provides 350 mA current capability. The device operates within a temperature range of -40°C to +125°C and is housed in a TSSOP-28 package.

LED Driver IC Feature Summary

• Integrates phase-shift function for improved efficiency across multiple channels
• Supports external current sink BJTs for flexible drive configurations
• Includes shutdown functionality for power management

LED Driver IC Applications

• Backlighting for mobile devices
• Display illumination systems
• Portable electronic equipment requiring multi-string LED drives

LED Driver IC Procurement Notes

Verify the specific suffix (e.g., GM-Z) against official MPS documentation to confirm pinout and packaging details. Ensure compatibility with external BJT components if utilizing the external current sink feature. Confirm moisture sensitivity level handling during assembly.

LED Driver IC Selection Notes

Select this component for applications requiring independent control of eight LED strings with high current density. Consider the TSSOP-28 thermal performance and the 785 kHz switching frequency when designing the power stage. Verify input voltage ranges match system requirements.

LED Driver IC Part Context

Part of the MP3373 series, this controller targets high-density LED backlighting solutions. It distinguishes itself through integrated phase-shift capabilities and support for external transistors, offering design flexibility compared to fully integrated drivers.

LED Driver IC Replacement Considerations

Check MPS datasheets for direct pin-compatible alternatives within the MP337x family. Verify electrical parameters such as channel count and current limits before substituting.