LP8557AYFQT - Texas Instruments

Manufacturer Part Number

LP8557AYFQT

Manufacturer

Texas Instruments

Introduction

The LP8557AYFQT is a high-efficiency, 6-channel LED driver designed for driving LED backlights in displays. It features a step-up (boost) topology and can operate from a 2.7V to 5.5V input voltage, providing up to 28V output to drive the LED strings.

Product Features and Performance

6 independent LED current channels

Up to 25mA per channel

Switching frequency of 500kHz or 1MHz

PWM dimming control

Integrated power MOSFETs

Thermal shutdown and overcurrent protection

Wide input voltage range of 2.7V to 5.5V

High efficiency up to 92%

Product Advantages

Compact 16-pin DSBGA package

Enables ultra-thin display designs

Simplifies LED backlight design

Provides robust protection features

Supports a wide range of LED configurations

Key Reasons to Choose This Product

High efficiency and low power consumption

Flexible, multi-channel LED driving

Reliable operation with advanced protection features

Small, space-saving package

Ideal for portable and mobile display applications

Quality and Safety Features

Overcurrent and thermal shutdown protection

Robust design for reliable operation

Complies with relevant safety standards

Compatibility

The LP8557AYFQT is compatible with a variety of display panels and LED configurations, making it suitable for a wide range of applications.

Application Areas

LCD and OLED display backlighting

Tablets, smartphones, and other mobile devices

Automotive displays

Industrial and medical equipment displays

Product Lifecycle

The LP8557AYFQT is an active product and currently available for purchase. There are no immediate plans for discontinuation. Our website's sales team offers alternative LED driver models with similar features and performance characteristics, such as the LP8557AYF and LP8557AYST. Customers are advised to contact our website's sales team for the latest product information and availability.