STMicroelectronics

L9949  

Specialized Power Management

L9949 Description

The L9949 is an integrated circuit (IC) driver designed for door actuator power management, manufactured by STMicroelectronics. This automotive-grade component is specifically engineered to meet the stringent requirements of automotive applications. It features a surface mount package, ensuring ease of integration into modern automotive electronic systems. The L9949 operates within a supply voltage range of 7V to 28V and draws a supply current of 7mA, making it highly efficient and suitable for a variety of power management tasks.

The L9949 is housed in a tube package, which provides robust mechanical protection and ensures reliable performance in demanding environments. This component has a moisture sensitivity level (MSL) of 3, allowing it to withstand up to 168 hours of exposure to moisture, making it highly durable and suitable for automotive applications where environmental conditions can be harsh.

L9949 Features

• Automotive Grade: The L9949 is designed to meet the high reliability and performance standards required for automotive applications.
• Surface Mount Technology: This mounting type facilitates easy integration into compact and high-density automotive electronic systems.
• Efficient Power Management: With a supply current of 7mA and a voltage range of 7V to 28V, the L9949 ensures efficient power usage and compatibility with various automotive power supplies.
• Robust Packaging: The tube package and MSL 3 rating ensure the L9949 can withstand harsh environmental conditions, including moisture exposure.
• Regulatory Compliance: The L9949 is REACH unaffected and ROHS3 compliant, ensuring it meets the latest environmental and safety regulations.
• Obsolete Status: While the L9949 is now obsolete, it remains a valuable reference for understanding the evolution of automotive power management solutions.

L9949 Applications

The L9949 is ideally suited for applications in the automotive sector, particularly for door actuator power management. Its automotive-grade design and robust packaging make it an excellent choice for systems that require high reliability and performance in challenging environments. Specific use cases include:

• Automotive Door Actuators: The L9949 provides efficient power management for door actuators, ensuring smooth and reliable operation.
• Power Management in Automotive Systems: Its wide voltage range and low supply current make it suitable for various power management tasks within automotive electronic systems.
• Compact and High-Density Designs: The surface mount package allows for integration into compact and high-density automotive electronic modules.

Conclusion of L9949

The L9949 from STMicroelectronics is a high-performance IC driver designed for automotive door actuator power management. Its automotive-grade construction, efficient power management capabilities, and robust packaging make it an ideal choice for demanding automotive applications. While the L9949 is now obsolete, its legacy continues to inform the development of modern power management solutions. For engineers and designers seeking reliable and efficient power management in automotive systems, the L9949 remains a valuable reference point in the evolution of automotive electronics.

L9949 Documents

Download datasheets and manufacturer documentation for L9949