36V, 3A, Step-Down Converter with Programmable Frequency and Spread Spectrum Option Single USB Charging Port Supporting EN_USB, Fault Indication for Automotive, AEC-Q100 Qualified
36V, 3A, Step-Down Converter with Programmable Frequency and Spread Spectrum Option Single USB Charging Port Supporting EN_USB, Fault Indication for Automotive, AEC-Q100 Qualified
The MPQ4481 integrates a monolithic, step-down, switch-mode converter with a single USB current-limit switch and Type-C 5V @ 3A mode configuration channel for the USB port. The MPQ4481 achieves 3A of output current with excellent load and line regulation over a wide input supply range.
The output of the USB switch is current-limited. The USB port supports DCP schemes for battery charging specification (BC1.2), divider mode, 1.2V/1.2V mode, and USB Type-C 5V @ 3A DFP mode without the need for outside user interaction.
Full protection features include hiccup current limiting, output over-voltage protection (OVP), and thermal shutdown.
The MPQ4481 requires a minimal number of readily available, standard, external components and is available in a QFN-26 (5mmx5mm) package.
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