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.