The L9997ND from STMicroelectronics is a high-performance automotive-grade dual bridge driver integrated circuit designed for driving DC motors and other inductive loads in 12V automotive applications. This advanced component is an ideal solution for applications requiring high current up to several amperes, such as power window lifts, seat adjusters, and small electric pumps.

Key Features

• Operating Voltage Range: The L9997ND operates over a wide supply voltage range, making it versatile for use in various automotive electrical systems.
• Dual Full-Bridge Driver: It features two full H-bridge drivers capable of driving two DC motors independently, providing flexibility in control and power management.
• High Output Current: The device can handle high output current, delivering robust performance for demanding automotive applications.
• Thermal Protection: Equipped with thermal shutdown and overtemperature protection, the L9997ND ensures reliable operation under harsh conditions.
• Low Standby Current: Designed with power efficiency in mind, it has a low standby current, which is crucial for battery-operated systems.

Applications

Thanks to its robust design and high current handling capability, the L9997ND is suitable for a range of automotive applications. These include, but are not limited to:

• Power Window Lifts
• Automatic Seat Adjusters
• Windshield Wipers
• Small Electric Pumps (e.g., for windshield cleaning)
• Other Automotive Positioning and Actuation Systems

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality and reliability, and the L9997ND is no exception. Manufactured to meet the stringent requirements of the automotive industry, this driver IC ensures long-term reliability and consistent performance under a wide range of environmental conditions.