LP8552TLX-E04/NOPB

LED Driver IC Overview

The LP8552TLX-E04/NOPB is a high-efficiency LED backlight driver IC from Texas Instruments, designed for portable applications. It integrates a DC-DC boost converter with six independent constant-current channels, each capable of delivering up to 450mA. 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 internal shutdown functionality. Packaged in a compact 25-DSBGA format, it ensures reliable performance across a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Integrates a high-efficiency DC-DC boost converter with six independent constant-current output channels
• Supports PWM dimming control for precise brightness adjustment and power management
• Features an I2C control interface for flexible configuration and monitoring
• Includes internal switch and adjustable switching frequency for optimized design

LED Driver IC Applications

• Backlight drivers for mobile phones and smartphones
• LED illumination for tablet computers and handheld devices
• Display backlighting systems for portable electronics
• High-efficiency LED lighting solutions in compact form factors

LED Driver IC Procurement Notes

Verify the specific suffix (E04) against official Texas Instruments documentation to confirm exact binning or revision status. Ensure compatibility with required PCB footprint and thermal requirements. Confirm RoHS compliance and moisture sensitivity level prior to assembly. Cross-reference ordering part numbers with authorized distributors to avoid counterfeit components. Validate supply chain authenticity through verified manufacturer channels.

LED Driver IC Selection Notes

Select this component when designing LED backlight systems requiring high efficiency and multiple independent current channels. Consider its wide input voltage range suitable for battery-powered devices. Evaluate the need for I2C control versus simpler GPIO interfaces. Assess thermal dissipation capabilities within the 25-DSBGA package constraints. Compare against alternative models like LP8550 or LP8553 based on current capacity and package size requirements.

LED Driver IC Part Context

The LP8552 belongs to Texas Instruments' family of high-efficiency LED backlight drivers. It complements other models such as LP8550, LP8551, and LP8553, offering varying channel counts and current outputs. This series is tailored for portable consumer electronics where space and power efficiency are critical. The LP8552 specifically targets applications needing six channels with higher current capability compared to lower-end variants.

LED Driver IC Replacement Considerations

Direct substitutes may include LP8552TLX/NOPB or LP8552TLE/NOPB, depending on packaging preferences. Verify pin-to-pin compatibility and electrical specifications before substitution. Consult Texas Instruments documentation for any functional differences between suffix variations. Ensure that alternative parts meet the same thermal and environmental operating conditions.