https://www.monolithicpower.com/en/mpq4475-e-aec1.html
MPQ4475-E-AEC1 | 36V, 2.5A, Frequency Selectable, Step-Down Converter with Single USB Charging Port...
MPQ4475-E-AEC1 The MPQ4475-E integrates a monolithic, step-down, switch-mode converter with a single USB current-limit switch and charging port identification...