LP8556SQ-E00/NOPB

$2.35

Description：IC LED DRV RGLTR PWM 25MA 24WQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:8217fa1038c3 Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

LP8556SQ-E00/NOPB is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC LED DRV RGLTR PWM 25MA 24WQFN. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LP8556SQ-E00/NOPB

Description：IC LED DRV RGLTR PWM 25MA 24WQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：5
Voltage - Supply (Min)：2.7V
Voltage - Supply (Max)：20V
Voltage - Output：7V ~ 43V
Current - Output / Channel：50mA
Frequency：312kHz, 625kHz, 1250kHz
Dimming：PWM
Applications：Backlight
Operating Temperature：-30°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：24-WFQFN Exposed Pad
Supplier Device Package：24-WQFN (4x4)
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LP8556SQ-E00/NOPB

LP8556SQ-E00/NOPB

LED Driver IC Overview

The LP8556SQ-E00/NOPB is a six-channel high-efficiency LED backlight driver from Texas Instruments, housed in a WQFN-24 package. It operates on a boost topology with an input voltage range of 2.7 V to 20 V and delivers up to 23 mA output current per channel. The device supports adjustable switching frequencies of 312 kHz, 625 kHz, and 1.25 MHz, generating output voltages between 16 V and 34.5 V. It functions within a temperature range of -30°C to +85°C.

LED Driver IC Feature Summary

Integrates I2C control interface for digital configuration and monitoring of the six independent LED channels.
Supports PWM dimming control alongside enable/shutdown functionality for precise brightness management.
Features adjustable switch frequency selection to optimize external component size and system efficiency.

LED Driver IC Applications

High-efficiency LED backlight drivers for mobile devices
Efficacy-focused lighting solutions for portable electronics
Multi-channel LED illumination systems requiring digital control

LED Driver IC Procurement Notes

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

LED Driver IC Selection Notes

Select this component when designing systems requiring six independent LED channels with digital I2C control. It is suitable for applications needing boost topology conversion from low input voltages. Consider the thermal performance of the WQFN-24 package relative to your enclosure constraints and ambient operating temperatures.

LED Driver IC Part Context

This part belongs to the LP8556 series of LED lighting drivers from Texas Instruments. The series focuses on high-efficiency and high-efficacy solutions for backlighting applications. Variants within the series may differ in package type or specific electrical parameters, necessitating careful review of the individual datasheet for the SQ-E00 suffix.