APW8857 Overview
The APW8857 is a Power Management IC (PMIC) designed to provide 8 Voltage regulators and 1 Power Switch for AMD’s Raven Ridge APU with ability to municate via an I2C interface. The IC operates from a wide input voltage of 6V to 20V. There are 5 Switching Buck regulators 3 low power LDOs and 1 Power Switch that are all controlled and sequenced via the serial interface.