LP8552TLE/NOPB

LED Driver IC Overview

The LP8552TLE/NOPB is a high-efficiency LED backlight driver IC from Texas Instruments, featuring six independent output channels. It operates as a boost DC-DC converter with an internal switch, supporting input voltages from 2.7V to 22V and delivering up to 450mA per channel. The device utilizes PWM dimming for brightness control and includes I2C interface capabilities for configuration. Packaged in a compact 25-DSBGA format, it is designed for applications requiring regulated current drive within a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Integrates a high-efficiency boost converter topology with internal power switches for compact system design.
• Provides six independently controllable constant-current outputs suitable for multi-zone LED backlighting.
• Supports precise brightness regulation through hardware PWM dimming signals and digital I2C control interfaces.

LED Driver IC Applications

• LCD backlight drivers for mobile phones and handheld devices
• LED illumination systems for portable electronics
• High-efficiency lighting solutions for consumer displays

LED Driver IC Procurement Notes

Verify the specific suffix 'E' against the manufacturer's latest documentation to ensure alignment with current manufacturing specifications and material compliance standards. Confirm that the DSBGA-25 package dimensions match the target PCB footprint requirements. Check for any recent Product Change Notifications regarding assembly or material updates before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing circuits requiring multiple regulated LED channels from a single boost converter stage. Ensure the input supply voltage remains within the 2.7V to 22V operational range. Verify that the thermal management strategy accommodates the 25-DSBGA package constraints. Confirm compatibility with the system's I2C bus speed and PWM signal levels for proper dimming control integration.

LED Driver IC Part Context

This part belongs to the LP8552 family of LED lighting drivers, which are optimized for high-efficiency backlighting applications. The series typically shares core architectural features such as boost topology and multi-channel current regulation. Variations within the family often differ by package type, output current ratings, or specific feature sets like I2C availability.

LED Driver IC Replacement Considerations

Consult official substitution lists for direct equivalents. Cross-reference pinouts and electrical parameters carefully when considering alternative manufacturers or upgraded versions within the same product line.