LP8552TLE-E06/NOPB

LED Driver IC Overview

The LP8552TLE-E06/NOPB is a high-efficiency LED backlight driver IC from Texas Instruments, designed for portable applications. It integrates a boost DC-DC converter with six independent current-regulated outputs, each capable of delivering up to 450mA. The device supports an input voltage range of 2.7V to 22V and provides a maximum output voltage of 40V. Key control features include I2C interface configuration and PWM dimming capability. It operates within a temperature range of -40°C to +85°C and is housed in a compact 25-DSBGA package.

LED Driver IC Feature Summary

• Integrates a high-efficiency boost converter with six independent regulated current channels for multi-string LED arrays.
• Supports digital control via I2C interface for programmable current settings and system management.
• Enables precise brightness adjustment through hardware PWM dimming inputs.
• Includes internal switching elements to minimize external component count and board space.

LED Driver IC Applications

• Backlight drivers for mobile phones and smartphones
• LED illumination for portable media players
• Display backlighting for handheld gaming devices

LED Driver IC Procurement Notes

Verify the specific suffix E06 against the manufacturer's latest datasheet to ensure compatibility with required I2C addressing or feature sets. Confirm that the 25-DSBGA package footprint matches the PCB design guidelines provided in the official mechanical drawings. Check for any recent Product Change Notifications (PCN) regarding material or manufacturing site updates before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing systems requiring multiple parallel LED strings driven by a single boost regulator. Ensure the application input voltage remains within the 2.7V to 22V range. Verify that the required peak current per channel does not exceed 450mA. Consider the thermal performance of the DSBGA package under maximum load conditions and ensure adequate PCB copper area for heat dissipation.

LED Driver IC Part Context

This part belongs to the LP8552 family of LED lighting drivers from Texas Instruments. It is specifically engineered for high-efficiency backlighting in portable electronics. The device differentiates itself by combining a power stage with sophisticated digital control capabilities, allowing for flexible configuration of LED string currents and dimming behaviors without extensive external circuitry.

LED Driver IC Replacement Considerations

Consult the official LP8552 datasheet for direct pin-to-pin compatible alternatives within the same family, such as LP8552TLX/NOPB or LP8552TLE/NOPB, depending on packaging and suffix requirements. Cross-reference with other TI LED drivers like the LP8553 or LP8556 only if system voltage or channel count constraints allow for architectural changes.