STMicroelectronics

L9903TR  

Motor Drivers, Controllers

L9903TR Description

The L9903TR is an active Power MOSFET motor driver IC designed for general-purpose applications, manufactured by STMicroelectronics. This device is specifically engineered to drive brushed DC motors with a supply voltage range of 8V to 20V. The L9903TR is packaged in a 20SO surface-mount package and is available in tape and reel format (TR), making it suitable for automated assembly processes. It is compliant with REACH and ROHS3 standards, ensuring environmental and safety considerations are met. The L9903TR has a moisture sensitivity level (MSL) of 3, allowing for a 168-hour exposure time, which is ideal for manufacturing environments with varying humidity levels.

L9903TR Features

• Power MOSFET Technology: The L9903TR utilizes Power MOSFET technology, providing high efficiency and low power dissipation, which is crucial for applications requiring high performance and reliability.
• Wide Voltage Range: With a supply voltage range of 8V to 20V, the L9903TR is versatile and can be used in a variety of power supply configurations, making it suitable for both low and high voltage systems.
• Brushed DC Motor Compatibility: Designed specifically for brushed DC motors, the L9903TR offers precise control and efficient operation, ensuring optimal performance in motor-driven applications.
• Serial Interface: The L9903TR features a serial interface, allowing for easy communication and control from microcontrollers or other digital systems, simplifying the integration process.
• Surface Mount Packaging: The 20SO surface-mount package ensures a compact and robust design, suitable for space-constrained applications and high-density PCB layouts.
• Compliance and Reliability: The L9903TR is REACH unaffected and ROHS3 compliant, ensuring it meets the highest environmental and safety standards. The MSL 3 rating ensures reliability in manufacturing environments with varying humidity levels.

L9903TR Applications

The L9903TR is ideal for a wide range of general-purpose applications requiring efficient motor control. Some specific use cases include:

• Consumer Electronics: Ideal for driving small to medium-sized brushed DC motors in devices such as fans, pumps, and other motor-driven appliances.
• Automotive Systems: Suitable for automotive applications where precise motor control is required, such as window lifts, seat adjustments, and other motorized components.
• Industrial Automation: Can be used in industrial settings for controlling motors in conveyor systems, robotic arms, and other automated machinery.
• Medical Devices: Applicable in medical equipment where reliable and precise motor control is essential, such as in diagnostic machines and patient care devices.

Conclusion of L9903TR

The L9903TR from STMicroelectronics is a robust and versatile Power MOSFET motor driver IC, offering a wide range of technical specifications and performance benefits. Its compatibility with brushed DC motors, wide voltage range, and serial interface make it an ideal choice for a variety of applications. The L9903TR's compliance with environmental and safety standards, along with its surface-mount packaging, ensures it is both reliable and easy to integrate into modern electronic designs. Whether used in consumer electronics, automotive systems, industrial automation, or medical devices, the L9903TR provides efficient and reliable motor control, making it a standout choice in the power management IC market.

L9903TR Documents

Download datasheets and manufacturer documentation for L9903TR

PCN :

Product Change Notification (PDF)       Product Information Letter (PDF)       PRODUCT CHANGE NOTIFICATION (PDF)