Samsung Electronics Co., Ltd.

Junhyun Bae

Sangyoung Lee

Younghoon Lee

Hyunseok Nam

Kyungrae Kim

Min Sang Park

Younghun Kim

Jeongwoon Kong

Junchul Shin

A power management integrated circuit (PMIC) includes voltage regulators, a conversion circuit, a measurement cycle controller, an oscillator, and a control logic. The voltage regulators generate regulator voltages. The conversion circuit converts analog signals indicating load currents of the voltage regulators to generate digital signals corresponding to the load currents. The measurement cycle controller operates in response to a first clock signal having a first frequency and generates an oscillation enable signal that is activated during a measurement period. The oscillator generates a second clock signal having a second frequency higher than the first frequency in response to the oscillation enable signal. The control logic operates in response to the second clock signal and generates power information, indicating power consumed by the load currents during the measurement period, using the digital signals.

Power management integrated circuit and electronic device including the same

A power management integrated circuit (PMIC) includes; a DC-DC converter configured to provide output power to a load, a controller configured to control switching of the DC-DC converter, and a sense circuit including a capacitive element and configured to detect an output current flowing through a node between the DC-DC converter and the load.

Power management integrated circuit including detection circuit with capacitive element

Growing community of inventors

Hwaseong-si, South Korea

Junhyun Bae