The ON Semiconductor LB11820M-TE-L is a high-performance, three-phase brushless motor driver IC that is designed to deliver efficient and reliable control for a wide range of motor-driven applications. This compact and versatile driver is an ideal choice for those looking to drive small fans, blowers, and other cooling devices commonly found in consumer electronics, computer peripherals, and office automation equipment.

Key Features

• Three-Phase Full-Wave Linear Drive: The LB11820M-TE-L supports a three-phase full-wave drive, providing smooth and precise control over the motor for efficient operation.
• Low Voltage Operation: This motor driver operates at a low voltage range, making it suitable for portable and battery-powered applications where energy efficiency is crucial.
• Built-in Hall Sensor Amplifiers: Integrated Hall sensor amplifiers eliminate the need for external components, simplifying the design and reducing the overall footprint of the motor control solution.
• FG (Frequency Generator) Output: The FG output function provides a speed feedback signal, which is useful for speed control and monitoring of the motor.
• Lock Detection and Automatic Restart: In the event of a lock condition, the LB11820M-TE-L detects it and automatically attempts to restart the motor, enhancing the reliability of the application.
• Thermal Shutdown Protection: The driver includes thermal shutdown circuitry that protects the IC from overheating, ensuring a longer lifespan and safe operation.

Applications

The LB11820M-TE-L is versatile enough to be used in a variety of applications, including:

• PC and Laptop Cooling Fans
• CPU Coolers
• Server Fans
• Blowers for Projectors and Home Appliances
• Small Cooling Fans in Electronic Devices

With its combination of performance, efficiency, and integrated features, the ON Semiconductor LB11820M-TE-L motor driver IC is a robust solution for designers looking to enhance the performance and reliability of their motor-driven applications.