Electronic device including power management integrated circuit

The electronic device comprising a power management integrated element. Electronic apparatus, according to the request of the load device and the load device to calculate a power value supplied to the load device, comprising: a power manager integrated circuit to provide to the load device, the power management integrated circuit, to the load device a plurality of regulator, and a controller for calculating the power value by using the load voltage values ​​provided by the current sensor, a load current value, the regulator measured by a said load device comprises a measuring a load current provided current meter It includes.