LP39542TL/NOPB

LED Driver IC Overview

The LP39542TL/NOPB is an advanced lighting management unit and LED driver manufactured by Texas Instruments. It operates as a boost (step-up) DC-DC regulator designed for high-density industrial LED applications. The device features a switching frequency of 2MHz and supports PWM dimming capabilities. It accepts an input voltage range of 2.7V to 5.5V and provides a maximum output current of 900mA at a switch frequency, with a typical output specification of 5.3V/400mA. The component is housed in a compact 36-pin DSBGA package.

LED Driver IC Feature Summary

• Advanced lighting management unit architecture
• Integrated boost DC-DC regulator topology
• Supports PWM dimming functionality
• High switching frequency operation

LED Driver IC Applications

• Industrial LED lighting systems
• High-density LED illumination designs
• Low EMI LED driver circuits

LED Driver IC Procurement Notes

Verify the specific part number against official Texas Instruments documentation to confirm availability status, as some listings indicate this component may be obsolete. Ensure the selected variant matches the required 36-DSBGA package and electrical specifications for your design. Cross-reference manufacturer datasheets for accurate pinout and thermal requirements before procurement.

LED Driver IC Selection Notes

Select this component for applications requiring integrated boost regulation and precise PWM dimming control within a small footprint. Consider the 2MHz switching frequency for reduced passive component size. Evaluate the 2.7V to 5.5V input range compatibility with your power supply. Confirm the 900mA switch current rating meets load requirements.

LED Driver IC Part Context

This LED driver belongs to Texas Instruments' portfolio of PMIC solutions focused on lighting management. It integrates power stage and control logic into a single chip, simplifying design complexity compared to discrete solutions. The DSBGA package offers thermal efficiency and space savings suitable for modern electronic assemblies.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Texas Instruments official resources or authorized distributors for current equivalent recommendations if this part is obsolete.