LP8556TME-E09/NOPB

LED Driver IC Overview

The LP8556TME-E09/NOPB is a six-channel high-efficiency LED backlight driver from Texas Instruments. It operates on a boost topology with an input voltage range of 2.7 V to 20 V and supports output currents up to 220 mA per channel. The device features adjustable switching frequencies of 312 kHz, 625 kHz, and 1.25 MHz. It utilizes I2C control for configuration and includes PWM dimming capabilities. 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 current-mode output channels designed for high-efficiency LED backlighting applications.
• Integrated I2C interface allows for precise digital control of channel settings and system configuration.
• Supports multiple adjustable switching frequencies to optimize efficiency and minimize EMI across different operating conditions.

LED Driver IC Applications

• High-efficiency LED backlight drivers for mobile devices
• Efficacy-optimized LED lighting systems
• Portable electronic display illumination

LED Driver IC Procurement Notes

Verify the specific suffix E09 against the official datasheet to confirm electrical parameters such as output current limits and frequency options. Ensure the DSBGA-20 package type matches the PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's documentation before finalizing procurement specifications.

LED Driver IC Selection Notes

Select this component when a six-channel solution with integrated boost conversion is required for space-constrained designs. Consider the 2.7 V to 20 V input range and 220 mA output capability relative to the target LED string configuration. Evaluate the DSBGA-20 package suitability for the assembly process and thermal management needs of the application.

LED Driver IC Part Context

This part belongs to the LP8556 series of LED lighting drivers manufactured by Texas Instruments. The series provides solutions for multi-channel LED backlighting with varying efficiency and efficacy optimizations. The E09 variant specifically denotes the configuration associated with the 220 mA output current and standard boost topology parameters defined in the product family.

LED Driver IC Replacement Considerations

Consult the official TI selection guide for alternative parts within the LP8556 series that may offer different output current ratings or packaging options. Verify pin-to-pin compatibility and electrical parameter alignment if substituting with other variants in the same family.