LP8552TLX-E01/NOPB

LED Driver IC Overview

The LP8552TLX-E01/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 capable of driving up to 450mA per channel. The device operates on an input voltage range of 2.7V to 22V and supports PWM dimming for brightness control. Key features include adjustable switching frequency, I2C control interface, and shutdown functionality. It is housed in a compact 25-DSBGA package suitable for space-constrained designs.

LED Driver IC Feature Summary

• Integrates a high-efficiency boost DC-DC converter with six independent regulated output channels
• Supports PWM dimming control for precise brightness adjustment
• Features an I2C serial interface for configuration and control
• Includes adjustable switching frequency and enable/shutdown capabilities

LED Driver IC Applications

• LED backlight drivers for mobile phones
• LED backlight drivers for personal digital assistants (PDAs)
• LED backlight drivers for portable media players

LED Driver IC Procurement Notes

Verify the specific suffix E01 against the official datasheet to confirm pinout and electrical characteristics, as engineering samples may differ from production units. Ensure the component is sourced from authorized distributors to guarantee authenticity and traceability. Check RoHS compliance status and moisture sensitivity level prior to assembly planning.

LED Driver IC Selection Notes

Select this component when designing systems requiring multiple LED strings driven by a single boost regulator. It is suitable for applications needing independent current regulation for each channel to ensure uniform brightness. Consider the 25-DSBGA package size for PCB layout constraints and verify that the operating temperature range meets the environmental requirements of the target device.

LED Driver IC Part Context

This part belongs to the LP8552 family of high-efficiency LED backlight drivers. The family is characterized by integrated power switches and support for various dimming methods. The LP8552 series is widely used in consumer electronics where power efficiency and small form factor are critical design parameters.

LED Driver IC Replacement Considerations

LP8552TLE/NOPB and LP8552TLX/NOPB are standard production variants within the same family. Verify if the E01 suffix indicates a specific engineering sample or tape-and-reel configuration change before substitution.