The L9951XPTR from STMicroelectronics is a highly integrated solution tailored for advanced automotive door actuator driving applications. This robust and versatile device is designed to interface with microcontrollers in car door modules, providing direct control of door lock actuators, mirror folding and adjustment, window lifting, and other door-related functions.

Key Features

• Multiple Output Stages: The device features multiple output stages with diagnostic functions. It includes high-side and low-side drivers that can manage a range of loads with various current requirements.
• Integrated Protections: L9951XPTR is equipped with overcurrent, overvoltage, and overtemperature protection, ensuring reliable operation under harsh automotive conditions.
• Serial Peripheral Interface (SPI): The device supports SPI communication for control and diagnostics, allowing for easy integration with onboard microcontrollers and providing detailed feedback on the status of each output.
• Programmable Current Limit: Users can program the current limit for each output to match the specific needs of their application, enhancing flexibility and safety.

Applications

Designed for automotive environments, the L9951XPTR is ideal for a variety of applications within the vehicle door module, including:

• Power window control
• Door lock/unlock actuation
• Side mirror positioning and folding
• Other door-related electromechanical actuations

Package and Quality

The L9951XPTR is offered in a PowerSSO-24 package, which is designed for efficient heat dissipation and space-saving on the PCB. The device meets the stringent quality standards required for automotive applications, ensuring high reliability and performance even in extreme conditions.

With its comprehensive feature set and adherence to automotive quality standards, the L9951XPTR from STMicroelectronics represents a state-of-the-art solution for modern vehicle door systems, providing designers with a compact, efficient, and intelligent driver for a wide array of actuators.