LP8556SQE-E00/NOPB

LED Driver IC Overview

The LP8556SQE-E00/NOPB is a six-channel high-efficiency LED backlight driver from Texas Instruments. It utilizes a boost topology to drive LEDs with an output current of 23 mA per channel. The device operates on an input voltage range of 2.7 V to 20 V and generates an output voltage between 16 V and 34.5 V. Switching frequencies are adjustable at 312 kHz, 625 kHz, or 1.25 MHz. It is housed in a WQFN-24 package and functions within a temperature range of -30°C to +85°C.

LED Driver IC Feature Summary

• Supports I2C control for configuration management
• Enables PWM dimming for brightness regulation
• Includes enable and shutdown functionality

LED Driver IC Applications

• LED backlight drivers
• Mobile device displays
• Portable electronics lighting

LED Driver IC Procurement Notes

Verify the specific suffix E00 against the official datasheet to confirm pinout and electrical characteristics match the design requirements. Ensure the WQFN-24 package dimensions align with PCB layout constraints. Confirm RoHS compliance status through manufacturer documentation before finalizing procurement.

LED Driver IC Selection Notes

Select this component when a six-channel boost driver is required for mobile applications. It is suitable for designs needing I2C programmability and PWM dimming capabilities. Consider the 23 mA output current limit and the 2.7 V to 20 V input range during system power budgeting.

LED Driver IC Part Context

This part belongs to the LP8556 series of LED lighting drivers. It is designed for high-efficiency backlighting in portable devices. The SQE variant indicates a specific package and tape/reel configuration. It serves as a solution for driving multiple LED strings in space-constrained environments.

LED Driver IC Replacement Considerations

LP8556SQ-E00/NOPB and LP8556SQX-E00/NOPB are alternative packaging options within the same series. Verify package compatibility and ordering suffix differences before substitution.