LP8556SQE-E00/NOPB - Texas Instruments

Manufacturer Part Number

LP8556SQE-E00/NOPB

Manufacturer

Texas Instruments

Introduction

The LP8556 is a highly integrated, high-efficiency, 5-channel step-up (boost) DC-DC converter designed for driving LED backlights in LCD displays. It features a wide input voltage range, programmable switching frequency, and advanced dimming control capabilities, making it well-suited for a variety of LED backlight applications.

Product Features and Performance

Wide input voltage range: 2.7V to 20V

5 constant-current LED driver outputs, each up to 50mA

Programmable switching frequency: 312kHz, 625kHz, or 1250kHz

Highly efficient operation, up to 92% typical

Advanced PWM dimming control with minimum 1000:1 dimming ratio

Thermal shutdown and overcurrent protection

Small 24-pin WFQFN package with exposed thermal pad

Product Advantages

Highly integrated solution, reducing external component count and simplifying design

Wide input voltage range and programmable switching frequency allow for flexibility in system design

Efficient operation and advanced dimming control capabilities optimize LED backlight performance

Robust thermal and overcurrent protection features ensure reliable and safe operation

Key Reasons to Choose This Product

Comprehensive LED backlight driver solution with advanced features

Optimized for high-performance, power-efficient LCD display applications

Proven reliability and performance from a trusted semiconductor manufacturer

Cost-effective and space-saving design with minimal external components

Quality and Safety Features

Thermal shutdown protection

Overcurrent protection

Robust 24-pin WFQFN package with exposed thermal pad for enhanced thermal management

Compatibility

The LP8556 is compatible with a wide range of LCD display panels and can be used in a variety of LED backlight applications.

Application Areas

LCD TV and monitor backlighting

Laptop and notebook computer backlighting

Tablet and smartphone backlighting

Industrial and medical display backlighting

Product Lifecycle

The LP8556 is an active product, and there are no plans for discontinuation at this time. There are no direct equivalents or alternative models available from Texas Instruments. If you have any further questions or require additional information, please contact our sales team through our website.