The LM3502SQX-35 is a highly efficient, switch mode LED driver designed by Texas Instruments to provide a constant current output for driving high brightness LEDs. This compact and versatile driver is ideal for portable applications due to its small size and high energy efficiency.

Key Features

• Input Voltage Range: The device operates from an input voltage range of 2.7V to 5.5V, making it suitable for battery-powered applications including lithium-ion and alkaline batteries.
• Adjustable Output Current: It offers an adjustable output current up to 30mA per LED, which can be set using an external resistor. This feature allows for precise control of the brightness level of the LED.
• High Efficiency: With an efficiency rating of up to 90%, the LM3502SQX-35 ensures minimal power loss and heat generation, thereby extending battery life and maintaining system reliability.
• Small Form Factor: The device comes in a compact 10-pin WSON package, which is ideal for space-constrained applications.
• Thermal Shutdown Protection: It includes thermal shutdown protection which prevents damage to the device and the LEDs in case of overheating.

Applications

The LM3502SQX-35 is designed for a variety of applications where efficient LED driving is required. Common applications include:

• Smartphones and tablets
• Portable media players
• Handheld gaming devices
• GPS units
• Backlighting for LCD displays

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the LM3502SQX-35 is no exception. It is designed to meet the stringent requirements of portable and handheld electronics, ensuring a reliable performance over a wide range of environmental conditions.

Ordering Information

The LM3502SQX-35 LED driver is available for order through Texas Instruments and authorized distributors. For detailed product specifications, application notes, and ordering information, please refer to the official Texas Instruments product page or contact their sales and support team.