Monolithic Power Systems, Inc. Special Purpose Regulators MPQ4488BGU-FD-AEC1-Z

The MPQ4488BGU-FD-AEC1-Z is a step-down switch-mode converter designed for automotive applications, featuring dual USB charging ports. It supports a wide input voltage range of 6V to 36V and can deliver up to 6A of output current. The device includes current-limiting features for each USB port, which comply with various battery charging specifications, including BC1.2 and USB Type-C 5V @ 3A DFP mode. This regulator is equipped with full protection features such as hiccup current limiting, output over-voltage protection, and thermal shutdown. It operates with a selectable output voltage of 5.1V, 5.17V, or 5.3V and offers adjustable switching frequencies from 250kHz to 2.2MHz, with frequency spread spectrum capability. The MPQ4488BGU-FD-AEC1-Z is housed in a compact QFN-26 package, measuring 5mm x 5mm, and is AEC-Q100 qualified, making it suitable for automotive-grade applications.