The LM5150QRUMRQ1 from Texas Instruments is a robust, automotive-grade, low EMI, wide input voltage range controller designed for use in creating a pre-boost during start-stop and cold-crank conditions, ensuring consistent power supply in automotive applications. This device is particularly suitable for applications that require a holdup voltage when the battery voltage dips during engine cranking or to enhance system reliability during a low-voltage condition.

Key Features

• Wide Input Voltage Range: The LM5150QRUMRQ1 operates over a wide input voltage range from 3V to 42V, which allows it to handle the various voltage conditions encountered in automotive environments, including load dump and cold crank scenarios.
• Low Electromagnetic Interference (EMI) Design: The device is designed with low EMI emissions in mind, making it ideal for use in the sensitive electronic environment of modern vehicles.
• High Efficiency: The controller utilizes an external switch to provide high efficiency, which is critical for reducing thermal stress and improving system reliability.
• Automotive Grade: As part of the Q1 series, the LM5150QRUMRQ1 is designed to meet the rigorous standards required for automotive applications, ensuring high reliability and performance under extreme conditions.

Applications

The LM5150QRUMRQ1 is well-suited for a variety of automotive applications, including:

• Start-stop systems
• Infotainment and telematics
• Advanced driver assistance systems (ADAS)
• Automotive power modules

Support and Reliability

Texas Instruments provides extensive technical support and documentation for the LM5150QRUMRQ1, including datasheets, application notes, and design resources to assist engineers in integrating this controller into their designs. Additionally, the device is AEC-Q100 qualified, which is a standard for automotive reliability, further ensuring its performance and longevity in vehicle applications.