The L9959S-TR-D from STMicroelectronics is a sophisticated motor driver designed to cater to the demanding requirements of automotive applications. This high-quality component is engineered to drive DC motors and stepper motors with outstanding precision and reliability. It is particularly suitable for applications such as headlamp beam leveling, HVAC actuators, and other in-vehicle systems that require motor control.

The L9959S-TR-D is a member of STMicroelectronics' extensive motor driver portfolio, which is renowned for its integration of advanced features and protection mechanisms. This ensures not only the functionality but also the safety and longevity of the motor control applications it is used in.

Key Features

• Integrated Dual Full-Bridge Driver: Capable of driving two DC motors or one stepper motor, providing flexibility in application design.
• Wide Operating Voltage Range: Designed to operate over a broad voltage range, accommodating the varying electrical conditions found in automotive environments.
• Advanced Diagnostics: Equipped with smart diagnostic features that enable real-time monitoring, ensuring prompt detection and response to system anomalies.
• High-Temperature Operation: The device is built to withstand high operating temperatures, a critical requirement for under-the-hood automotive applications.
• Protection Features: Includes over-temperature shutdown, under-voltage shutdown, and over-current protection, safeguarding the device and the system it controls.

Applications

• Automotive DC Motor Control
• Stepper Motor Control for Headlamp Positioning
• HVAC Actuator Control
• Window Lift and Sunroof Actuators

The L9959S-TR-D is available in a compact package, making it an ideal choice for space-constrained automotive environments. Its robust design and comprehensive feature set make it an essential component for developers looking to create reliable and efficient motor control systems within the automotive industry. The device is also available in tape and reel packaging (denoted by the suffix -TR), facilitating automated manufacturing processes.