LP8556SQ-E08/NOPB

$2.35

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

SKU:3451ecb369f9 Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

LP8556SQ-E08/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-E08/NOPB

Description：IC LED DRV RGLTR PWM 25MA 24WQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT),Bulk
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：4
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-E08/NOPB

LP8556SQ-E08/NOPB

LED Driver IC Overview

The LP8556SQ-E08/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. The device operates within an input voltage range of 2.7 V to 20 V, producing output voltages between 16 V and 34.5 V. Switching frequencies are selectable at 312 kHz, 625 kHz, or 1.25 MHz. It features I2C control and PWM dimming capabilities. The component is housed in a WQFN-24 package and functions within a temperature range of -30°C to +85°C.

LED Driver IC Feature Summary

Six independent output channels for simultaneous LED backlight driving
I2C interface for digital configuration and control
Supports PWM dimming for brightness adjustment
Adjustable switching frequency options for EMI optimization

LED Driver IC Applications

LCD panel backlight systems
Mobile device display drivers
Portable electronics lighting
Embedded display modules

LED Driver IC Procurement Notes

Verify the specific suffix E08 against the manufacturer datasheet to confirm pinout and internal configuration compatibility. Ensure the WQFN-24 footprint matches the PCB design guidelines provided in the official mechanical outline drawing. Confirm RoHS compliance status through the latest product information sheet before finalizing procurement specifications.

LED Driver IC Selection Notes

Select this model when a six-channel solution with I2C programmability is required. The 23 mA output current suits standard LED strings. Consider the available switching frequencies for noise management. Compare against other LP8556 variants if different packaging or thermal performance is needed. Validate input voltage requirements against the 2.7 V to 20 V operational range.

LED Driver IC Part Context

This part belongs to the LP8556 series of LED lighting drivers designed by Texas Instruments. The series focuses on high efficiency and efficacy for backlight applications. Other variants in the family may differ in package type, such as DSBGA, or feature counts. The SQ designation typically indicates automotive-grade qualification within the broader product line.