LP8556TMX-E04/NOPB

LED Driver IC Overview

The LP8556TMX-E04/NOPB is a six-channel high-efficiency LED backlight driver from Texas Instruments, designed for portable electronic displays. It operates on a boost topology with an input voltage range of 2.7 V to 36 V and supports output currents up to 23 mA. The device features adjustable output voltages and selectable switching frequencies of 400 kHz. Packaged in a DSBGA-20 format, it functions within a temperature range of -30°C to +85°C.

LED Driver IC Feature Summary

• Six independent channels provide individual current control for complex display backlighting requirements.
• Integrated I2C interface enables precise digital configuration and dynamic brightness adjustment.
• High efficiency design optimizes power consumption for extended battery life in portable devices.

LED Driver IC Applications

• Backlight driving for mobile phone displays
• LED illumination for tablet computer screens
• High-efficiency lighting for portable media players

LED Driver IC Procurement Notes

Verify the specific suffix E04 against the official datasheet to ensure correct electrical characteristics and pinout compatibility. Confirm that the DSBGA-20 package dimensions align with your PCB footprint constraints. Ensure supply chain sources provide genuine Texas Instruments components to guarantee reliability and performance standards.

LED Driver IC Selection Notes

Select this component when a six-channel solution is required for uniform backlight distribution. The wide input voltage range accommodates various battery configurations. Consider the I2C control capability if system-level dimming and monitoring are necessary. Verify thermal management requirements for the DSBGA-20 package under maximum load conditions.

LED Driver IC Part Context

This part belongs to the LP8556 series of LED lighting drivers, which are optimized for high-efficacy applications. The series offers multiple channel counts and packaging options to suit different form factors. The TMX designation indicates a specific tape-and-reel packaging variant suitable for automated surface-mount assembly processes.

LED Driver IC Replacement Considerations

Consult the official TI selection guide for direct substitutes within the LP8556 family. Verify channel count, package type, and control interface compatibility before substitution. Cross-reference electrical parameters such as input voltage range and output current capabilities to ensure functional equivalence.