Maxim Integrated's MAX16984RATI/V+ Automotive Step-Down Converter

The MAX16984RATI/V+ from Maxim Integrated is a highly efficient, automotive-grade step-down converter designed to meet the stringent requirements of in-vehicle power systems. This compact, integrated solution combines a 2.2MHz, 5A, high-voltage buck converter with a full-featured USB protection scheme, making it ideal for powering USB host devices, charging ports, and various other automotive applications.

Key Features

• High Efficiency: The device operates with up to 2.2MHz switching frequency, which allows for a reduced-size external inductor and capacitors, resulting in a space-saving design ideal for space-constrained automotive environments.
• Integrated USB Protection: It includes USB protection features such as short-to-battery protection on OUT, OUT short-circuit protection, and overcurrent protection, ensuring reliable operation under harsh automotive conditions.
• Wide Input Voltage Range: With an input voltage range of 3.5V to 36V, the MAX16984RATI/V+ can handle the wide voltage swings typically found in automotive power systems, including cold-crank and stop-start scenarios.
• Robust Design: The device is built to withstand the automotive environment, featuring thermal shutdown, cycle-by-cycle current limit, and reverse-battery protection.
• Adjustable Output: The output voltage is adjustable and can provide a 5V output with high accuracy, which is essential for sensitive USB-powered devices.

Applications

• Automotive USB Chargers
• Infotainment Systems
• Navigation Units
• Advanced Driver-Assistance Systems (ADAS)

The MAX16984RATI/V+ is a testament to Maxim Integrated's commitment to delivering robust, high-performance power solutions for the automotive industry. Its compact size, combined with its comprehensive set of features, make it an excellent choice for designers looking to enhance the efficiency and reliability of their automotive power systems.

With its advanced protection features and wide input voltage range, the MAX16984RATI/V+ ensures that connected devices are safeguarded against the volatile electrical environment of modern vehicles, while also delivering the power required for high-performance applications.