Abstract: System and methods are provided for dynamic voltage control of a device. An example system includes: a power management unit configured to dynamically detect one or more operation modes of a plurality of chip components of a device, determine a target operating voltage based at least in part on the detected operation modes, and generate one or more voltage control signals associated with the target operating voltage; an input/output control unit configured to, in response to the one or more voltage control signals, toggle a plurality of input/output pins; and a power management integrated circuit connected to the plurality of input/output pins and configured to change an actual operating voltage of the device to the target operating voltage in response to the toggling of the plurality of input/output pins.