Texas Instruments

LM5117PSQ/NOPB

The LM5117PSQ/NOPB is a high-efficiency LED driver from Texas Instruments. It is designed to provide a constant current output for driving high-power LEDs, making it suitable for a wide range of lighting applications.

Description:

The LM5117PSQ/NOPB is a step-down LED driver that uses a synchronous rectification technique to achieve high efficiency. It has a wide input voltage range of 4.5V to 40V and can deliver up to 2A of output current. The device features a programmable output current and dimming control, allowing for precise control of LED brightness.

Features:

1. High efficiency: The LM5117PSQ/NOPB has a high efficiency of up to 96%, which helps to reduce power consumption and improve system reliability.
2. Wide input voltage range: The device can operate from a wide range of input voltages, making it suitable for various applications.
3. Programmable output current: The output current can be programmed using an external resistor, allowing for precise control of LED brightness.
4. Dimming control: The LM5117PSQ/NOPB supports both analog and PWM dimming control, providing flexibility in lighting applications.
5. Thermal protection: The device features thermal shutdown protection to prevent damage in the event of overheating.
6. Small form factor: The LM5117PSQ/NOPB is available in a compact QFN package, making it suitable for space-constrained applications.

Applications:

The LM5117PSQ/NOPB is suitable for a wide range of LED lighting applications, including:

1. Automotive lighting: The device can be used to drive high-power LEDs in automotive headlights, taillights, and interior lighting.
2. Industrial lighting: The LM5117PSQ/NOPB can be used to drive LEDs in industrial lighting applications, such as work lights, floodlights, and high-bay lighting.
3. Architectural lighting: The device can be used to drive high-power LEDs in architectural lighting applications, such as landscape lighting, accent lighting, and signage.
4. Consumer electronics: The LM5117PSQ/NOPB can be used to drive LEDs in consumer electronics, such as flashlights, portable lamps, and TV backlights.

Overall, the LM5117PSQ/NOPB is a versatile and efficient LED driver that can be used in a wide range of lighting applications. Its high efficiency, programmable output current, and dimming control make it an ideal choice for designers looking to create energy-efficient and flexible lighting solutions.