Texas Instruments

LP55231SQX/NOPB  

External/Internal LED Drivers

The LP55231SQX/NOPB is a high-performance LED driver from Texas Instruments (TI) designed for driving high-current LEDs in a wide range of applications. Here's a brief description of the model, its features, and potential applications:

Model: LP55231SQX/NOPB

Description:

The LP55231 is a highly integrated LED driver that can drive up to 3A per channel with a maximum output current of 12A when used in parallel. It is designed to provide efficient and precise control of high-power LEDs, making it suitable for demanding lighting applications.

Features:

1. High Current Drive: Capable of driving up to 3A per channel, with the ability to support higher currents through parallel configurations.
2. Efficient Operation: The device operates with a high efficiency of up to 95%, which is crucial for energy-saving applications.
3. Precision Current Control: It offers precise current regulation and dimming capabilities, which is essential for maintaining consistent light output and color.
4. Multiple Channels: The device can support multiple channels, allowing for complex lighting designs and effects.
5. Integrated Features: It includes built-in features such as over-temperature protection, over-current protection, and short-circuit protection to ensure reliable operation and longevity of the LEDs.
6. Dimming Options: Supports various dimming methods, including pulse-width modulation (PWM) and analog dimming, providing flexibility in controlling the light intensity.
7. Compact Package: The LP55231 comes in a compact 32-pin QFN package, making it suitable for space-constrained applications.

Applications:

1. High-End Automotive Lighting: For use in headlights, tail lights, and interior lighting systems.
2. Architectural and Landscape Lighting: For outdoor lighting that requires precise control and high efficiency.
3. Backlighting for LCD Displays: Particularly in large or high-resolution displays where uniformity and efficiency are important.
4. Stage and Studio Lighting: For professional lighting setups that demand high performance and reliability.
5. Industrial and Medical Equipment: Where high-brightness and precise color control are required.
6. Retail and Commercial Lighting: For applications that require energy-efficient and long-lasting lighting solutions.

The LP55231SQX/NOPB is a versatile and powerful LED driver that can be integrated into a wide range of lighting systems to provide high-quality, energy-efficient, and reliable illumination.

LP55231SQX/NOPB Documents

Download datasheets and manufacturer documentation for LP55231SQX/NOPB

PCN Assembly/Origin :

LDC/LP55 02/Mar/2022      

Datasheets :

LP55231      

Design Resources :

Lighting Product Selector       Available In the Digi-Key KiCad Library      

HTML Datasheet :

LP55231      

PCN Design/Specification :

Datasheet Update 01/Jun/2016       Wire Base Metal 05/Oct/2016