Abstract: The disclosed embodiments provide a power management system that supplies power to components in an electronic device. The power management system includes a system microcontroller (SMC) and a charger. During operation, the power management system accepts power from at least one of a power adapter and a solar panel. Next, the power management system supplies the power to components in the electronic device without using a converter circuit between the solar panel and the power management system.

Abstract: An electronic device is provided including: An electronic device comprising: a charging circuit including a battery coupled to a first end of an inductor, a first switch coupling a second end of the inductor to ground, and a second switch coupled to the second end of the inductor; and a controller configured to alternately close the first switch and the second switch in accordance with a duty cycle D, and increase a voltage transmitted to at least one system from the battery by using the inductor.

Abstract: A method of controlling current includes receiving a current value detected by at least one regulator supplying a unit-specific voltage to each unit of an electronic device. The method also includes controlling a current flowing through the each unit on the basis of the current value.

Abstract: The disclosed embodiments provide a system that facilitates operation of a power adapter in hiccup mode. The system includes a bleeding mechanism that reduces a hiccup time of the hiccup mode by increasing a leakage current of the power adapter. The system also includes an activation mechanism that activates the bleeding mechanism upon detecting a voltage drop associated with the hiccup mode.

Abstract: A control circuit for reducing a charging time and a method thereof are provided. The charging device includes an input unit configured to receive a control signal indicating that applied power is process power, and a switch configured to cut off a path between a terminal set and a battery while the process power is applied, when the applied power is the process power.

Abstract: The disclosed embodiments provide a power management system that supplies power to components in an electronic device. The power management system includes a system microcontroller (SMC) and a charger. During operation, the power management system accepts power from at least one of a power adapter and a solar panel. Next, the power management system supplies the power to components in the electronic device without using a converter circuit between the solar panel and the power management system.

Abstract: A charging control method and an electronic device for handling the method are provided. A power management device includes a power switch for providing a power path between a battery and a terminal set, and a control module configured to control the power switch to provide a charging function by forming the power path between the battery and the terminal set and provide a battery protection function by forming a discharging path or a charging path with respect to the battery.

Abstract: A method of performing a charging function by using different types of energy sources and an electronic device thereof are provided. The electronic device includes different types of circuits configured to acquire different types of energy sources, and a processor configured to determine an energy source for charging among the different types of energy sources based on respective current values for the different types of energy sources, and control the determined energy source for charging so as to be used in battery charging of the electronic device or in a system operation of the electronic device.

Abstract: The disclosed embodiments provide a power management system that supplies power to components in an electronic device. The power management system includes a system microcontroller (SMC) and a charger. During operation, the power management system accepts power from at least one of a power adapter and a solar panel. Next, the power management system supplies the power to components in the electronic device without using a converter circuit between the solar panel and the power management system.

Abstract: An inductor device is provided. The inductor device includes a coil unit that includes a pair of first and second coils disposed adjacent to each other and coupled to each other, a core unit that surrounds inner and outer spaces of the coil unit, and an induction unit that is disposed in the coil unit and is induced by a magnetic field generated between the first and second coils.

Abstract: The disclosed embodiments relate to a power supply for a portable electronic device. The power supply includes a power source and a nonlinear inductor. The nonlinear inductor includes a first core and a second core connected in series to the first core, wherein the second core has a higher permeability than the first core.

Abstract: An electronic device is provided. The electronic device includes a housing, a battery included within the housing, a connector electrically connected to an external power supply device including an integrated circuit (IC) and exposed to a part of the housing, and a power management unit included within the housing and electrically connected to the connector, wherein the power management unit is configured to communicate with the IC of the external power supply device, and wherein the connector is configured to receive a first current of a first current value during at least a part of the communication and to receive a second current of a second current value greater than the first current value during at least a part in which the communication is not performed.

Abstract: An electronic device comprising: an interface arranged to connect to an external power supply device and supply power to a battery; a sensor unit arranged to measure a temperature of the electronic device; and a power management unit configured to charge the battery based on the temperature.

Abstract: A call monitoring method for detecting an error in a Bearer-Independent Call Control (BICC) environment using an Internet Protocol (IP) as a bearer is provided, in which an MSC receives connection information about a called exchange from another MSC, requests IP resource allocation for configuring a termination to a Media GateWay (MGW) controlled by the MSC based on the received connection information about the called exchange, determines, upon receipt of a resource allocation failure message from the MGW, whether a cause of a resource allocation failure is an IP allocation error, and transmits the resource allocation failure message to a resource manager, if the cause of the resource allocation failure is an IP allocation error.

Abstract: An apparatus is provided comprising a system including one or more electronic components; a power input unit arranged to supply power to the system; and a power management module configured to: detect whether the system is in an abnormal state, and in response to detecting that the system is in the abnormal state, adjust at least one of (i) power supplied from a battery to the system, (ii) the power supplied from the power input unit to the system, and (iii) power supplied from the power input unit to the battery.

Abstract: An electronic device is provided. The electronic device includes a connector to which an external device is connected, a control unit identifying a connected external device and controlling operations of a voltage conversion unit and a charging and discharging unit according to a result of an identification, the voltage conversion unit bypassing a supply voltage supplied from the external device, boosting the supply voltage, or converting a battery voltage of a battery connected to an electronic device to supply a converted voltage to the external device, according to the result of the identification, and the charging and discharging unit lowering a voltage supplied from the voltage conversion unit or bypassing the battery voltage of the battery to the voltage conversion unit, according to the result of the identification.

Abstract: The disclosed embodiments provide an apparatus that controls a current drawn from an adapter by a computer system. During operation, the apparatus senses the current drawn from the adapter using a first current sensor and a second current sensor, wherein a response time of the first current sensor is faster than a response time of the second current sensor. Then, when the current sensed using the first current sensor exceeds a predetermined high-current threshold, the apparatus limits the current drawn from the adapter to a first predetermined current limit. Additionally, when the current sensed using the second current sensor exceeds a predetermined thermal-limit current, the apparatus limits the current drawn from the adapter to the predetermined thermal-limit current.

Abstract: An electronic device and method and power supply are disclosed. The electronic device includes comprising a connector for electrically coupling with an external power supply unit, and a processor. The processor implements the method, which includes detecting a connection state with the external power supply unit, and detecting whether power supplied from the external power supply unit is abnormal, and controlling the power when the power supplied has an abnormal value. The power supply may include a connector for electrically coupling with an electronic device, and a processor for detecting a connection state with the electronic device, detecting whether power supplied to the electronic device by the power supply unit has an abnormal value, and controlling the supplied power when the power is abnormal.

Abstract: A charging circuit for charging a battery of an electronic device includes a first switch having one side connected to an interface into which external power is input, a second switch having one side connected to the other side of the first switch, a third switch having one side connected to the other side of the second switch, a fourth switch having one side connected to the other side of the third switch, a flying capacitor located between the other side of the first switch and the other side of the third switch, an inductor having one side connected to the other side of the second switch, and a control circuit for controlling a charging function of the battery by controlling on/off of the first switch, the second switch, the third switch and the fourth switch.

Abstract: An electric power device and a method for providing an electric power in the electric power device capable of improving efficiency of a conductor while decreasing an area where the electric power device is mounted are provided. The electric power device includes an inductor, and a plurality of converters configured to output voltages using the inductor.