Manufacturer Part Number
LP8556TME-E02/NOPB
Manufacturer
Texas Instruments
Introduction
The LP8556 is a high-efficiency, high-frequency, multi-channel step-up (boost) DC-DC LED driver for driving high-brightness LED arrays in backlighting applications. It integrates six synchronous boost converters with individual current control, enabling driving of multiple LED strings with accurate current matching.
Product Features and Performance
6 independent boost converters with individual current control
Supports input voltage range from 2.7V to 20V
Output voltage range from 7V to 43V
Output current up to 50mA per channel
Switching frequency options: 312kHz, 625kHz, 1250kHz
Integrated PWM dimming support
Thermal shutdown and over-current protection
Product Advantages
High efficiency and low external component count
Accurate LED current matching across multiple channels
Flexible input and output voltage ranges
Integrated PWM dimming control
Compact DSBGA package for space-constrained designs
Key Reasons to Choose This Product
Exceptional performance and efficiency for LED backlight applications
Robust protection features for reliable operation
Ease of design with integrated control and protection functions
Optimized for space-constrained portable devices
Quality and Safety Features
Robust over-current and thermal protection
Designed and manufactured to high quality standards
Compatibility
Suitable for a wide range of LED backlight applications
Application Areas
LCD TV/Monitor backlighting
Notebook and tablet PC backlighting
Other portable device LED backlighting
Product Lifecycle
The LP8556 is an active product, and there are no direct replacement models available at this time. For the latest product information or to inquire about alternative solutions, please contact our website's sales team.
LP8556TME-E09Texas Instruments
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