Methods and devices for allocating power among a plurality of circuits in a communication device, including determining a power budget for allocating to the plurality of circuits from a power supply information; receiving an activity status from a first circuit of the plurality of circuits; determining a first power value based on the activity status; deriving a second power value based on the first power value and the power budget; and allocating power to one or more remaining circuits of the plurality of circuits based on the second power value.