LM3528TMX/NOPB

LED Driver IC Overview

The LM3528TMX/NOPB is a high-efficiency DC-DC step-up regulator designed for LED backlight applications. It features two independent output channels, each capable of delivering up to 20mA. The device integrates internal power switches and supports I2C dimming control for precise brightness adjustment. Operating within a wide input voltage range, it provides overvoltage protection and thermal shutdown capabilities to ensure reliable operation in portable display systems.

LED Driver IC Feature Summary

• Dual-channel LED driver with integrated boost topology
• I2C interface for digital dimming control
• Built-in overvoltage and thermal protection mechanisms

LED Driver IC Applications

• LCD backlight drivers for mobile devices
• Portable display illumination systems
• High-efficiency multi-display LED drive circuits

LED Driver IC Procurement Notes

Verify the specific suffix 'TMX' indicates tape-and-reel packaging when ordering. Confirm that the 'NOPB' designation ensures lead-free and RoHS compliance as per Texas Instruments standards. Cross-reference the full part number with official distributor catalogs to ensure availability and correct revision level before finalizing procurement.

LED Driver IC Selection Notes

Select this component for applications requiring dual-zone LED backlighting with digital control. Ensure the system design accommodates the I2C communication lines and that the input voltage range matches the source supply. Consider the thermal management requirements given the integrated switch architecture and potential load conditions during peak brightness operations.

LED Driver IC Part Context

This part belongs to Texas Instruments' family of LED lighting drivers optimized for portable electronics. It complements other single-channel or non-dimming variants by offering enhanced control flexibility through its I2C interface. The device addresses the need for compact, efficient solutions in space-constrained consumer electronic designs requiring uniform display illumination.

LED Driver IC Replacement Considerations

Check for direct substitutes such as the LM3528TME/NOPB if different packaging is required. Verify compatibility with existing PCB footprints and control logic when considering alternative LED driver ICs from the same manufacturer or competitors.