Abstract: A control method of a variable-frequency and multi-phase voltage regulator module is provided. The variable-frequency and multi-phase voltage regulator module is connected to a central processing unit and embedded on a motherboard for providing a central-processing-unit current. The control method includes steps of: detecting an intensity of a central-processing-unit current of the central processing unit; providing a power to the central processing unit via M number of phases based on a first switching frequency if the intensity of the central-processing-unit current is greater than a reference-current value; and providing a power to the central processing unit via N number of phases based on a second switching frequency if the intensity of the central-processing-unit current is less than the reference-current value.

Abstract: A current regulator includes a first switch, a second switch, a first current detecting circuit, a second current detecting circuit and a control circuit. Both of the first and second current detecting circuits detect the current of corresponding power route. The control circuit controls the first and the second switches on the route to be turned on or turned off according to detecting signals, and regulates to keep the wiring current in balance.

Abstract: A power supplying control method of a computer system for use with a first power supply and a second power supply both providing a first specific voltage to a motherboard, including steps of: detecting whether the first power supply and the second power supply, outputting the first specific voltage, are at a stable state; outputting the first specific voltage to a first pin when the first power supply is at the stable state; outputting the first specific voltage to the first pin when the second power supply is at the stable state; and outputting the first specific voltage to the motherboard via the first pin.

Abstract: A communication apparatus has at least one radio transceiver module, a first subscriber identity card and a second subscriber identity card, where the first subscriber identity card corresponds to a first public land mobile network (PLMN), and the second subscriber identity card corresponds to a second PLMN. The communication apparatus includes processor logic determining whether the first PLMN and the second PLMN are the same, and for suspending a measurement procedure and a cell reselection procedure of one of the first subscriber identity card and the second subscriber identity card to reduce battery power consumption. Processor logic further triggers an unsuspended measurement procedure to tune the radio transceiver module to a plurality of corresponding channel frequency/frequencies of the neighbor cells.

Abstract: A method for sharing a mobility status in a mobile station with a first subscriber identity card and a second subscriber identity card is provided. The mobility status indicating the movement extent of the mobile station is obtained by the first subscriber identity card being currently camping on a first cell of a first network operator. Settings corresponding to a mobility-dependent procedure for the second subscriber identity card being currently failure to camp on any second cell of a second network operator are configured, thereby enabling the mobility-dependent procedure to be performed with consideration of the obtained mobility status.

Abstract: A communication apparatus has at least one radio transceiver module, a first subscriber identity card and a second subscriber identity card, where the first subscriber identity card corresponds to a first public land mobile network (PLMN), and the second subscriber identity card corresponds to a second PLMN. The communication apparatus includes processor logic determining whether the first PLMN and the second PLMN are the same, and for suspending a measurement procedure and a cell reselection procedure of one of the first subscriber identity card and the second subscriber identity card to reduce battery power consumption. Processor logic further triggers an unsuspended measurement procedure to tune the radio transceiver module to a plurality of corresponding channel frequency/frequencies of the neighbor cells.

Abstract: A communication apparatus is provided. The communication apparatus includes a processor, a first and a second subscriber identity card and at least one radio transceiver module. The processor is coupled to the first subscriber identity card, the second subscriber identity card and the radio transceiver module, merges a first neighbor cell list and a second neighbor cell list to obtain a merged neighbor cell list, tunes the radio transceiver module to the corresponding channel frequency/frequencies of the neighbor cells in the merged neighbor cell list to respectively receive signals from the neighbor cells therein, and accordingly measures and evaluates quality of the neighbor cells therein.

Abstract: A multiphase power supply device and a current adjusting method thereof are provided in the application. The multiphase power supply device outputs power sources and currents with different phases to a microprocessor, and a detection module detects present temperature values of each phase power source to adjust currents of each phase power source to achieve thermal balance. The multiphase power supply device further can automatically measure the power efficiency and display results including the detected temperature values of each phase power source and the power efficiency on a screen, and thus the user can know the operation efficiency of the power supply device conveniently.

Abstract: A CPU core voltage supply circuit includes a reference voltage generator, a differential operation amplifier, a power element, a feedback circuit and a first capacitor. The reference voltage generator outputs a first reference voltage. The differential operation amplifier has a positive input end, a negative input end and an output end. The positive input end is connected to the reference voltage generator for receiving the first reference voltage. The power element has a receiving terminal and a current output terminal. The receiving terminal is connected to the output end of the differential operation amplifier. The feedback circuit is connected to the current output terminal and outputs a feedback voltage to the negative input end of the differential operation amplifier. The first capacitor has an end connected to the current output terminal of the power element and the other end receiving a first voltage, thereby providing a CPU core voltage.

Abstract: A communication apparatus is provided. The communication apparatus includes a processor, a first and a second subscriber identity card and at least one radio transceiver module. The processor is coupled to the first subscriber identity card, the second subscriber identity card and the radio transceiver module, merges a first neighbor cell list and a second neighbor cell list to obtain a merged neighbor cell list, tunes the radio transceiver module to the corresponding channel frequency/frequencies of the neighbor cells in the merged neighbor cell list to respectively receive signals from the neighbor cells therein, and accordingly measures and evaluates quality of the neighbor cells therein.

Abstract: A CPU core voltage supply circuit includes a reference voltage generator, a differential operation amplifier, a power element, a feedback circuit and a first capacitor. The reference voltage generator outputs a first reference voltage. The differential operation amplifier has a positive input end, a negative input end and an output end. The positive input end is connected to the reference voltage generator for receiving the first reference voltage. The power element has a receiving terminal and a current output terminal. The receiving terminal is connected to the output end of the differential operation amplifier. The feedback circuit is connected to the current output terminal and outputs a feedback voltage to the negative input end of the differential operation amplifier. The first capacitor has an end connected to the current output terminal of the power element and the other end receiving a first voltage, thereby providing a CPU core voltage.

Abstract: A CPU core voltage supply circuit includes a reference voltage generator, a differential operation amplifier, a power element, a feedback circuit and a first capacitor. The reference voltage generator outputs a first reference voltage. The differential operation amplifier has a positive input end, a negative input end and an output end. The positive input end is connected to the reference voltage generator for receiving the first reference voltage. The power element has a receiving terminal and a current output terminal. The receiving terminal is connected to the output end of the differential operation amplifier. The feedback circuit is connected to the current output terminal and outputs a feedback voltage to the negative input end of the differential operation amplifier. The first capacitor has an end connected to the current output terminal of the power element and the other end receiving a first voltage, thereby providing a CPU core voltage.

Abstract: A current regulator includes a first switch, a second switch, a first current detecting circuit, a second current detecting circuit and a control circuit. Both of the first and second current detecting circuits detect the current of corresponding power route. The control circuit controls the first and the second switches on the route to be turned on or turned off according to detecting signals, and regulates to keep the wiring current in balance.

Abstract: An apparatus for auto-regulating the input power source of a driver is provided. The apparatus includes a load detector and a controller. The load detector detects a load current and outputs a detection signal according to the load current. The controller is coupled to the load detector and receives the detection signal. The controller provides an operation voltage between a first voltage and a second voltage, wherein the first voltage is lower than the second voltage. The operation voltage is supplied to the driver and regulated flexibly according to different load demand. In the light loading, the device for auto-regulating the input power source can improve the use efficiency of electric power.

Abstract: A method for sharing a mobility status in a mobile station with a first subscriber identity card and a second subscriber identity card is provided. The mobility status indicating the movement extent of the mobile station is obtained by the first subscriber identity card being currently camping on a first cell of a first network operator. Settings corresponding to a mobility-dependent procedure for the second subscriber identity card being currently failure to camp on any second cell of a second network operator are configured, thereby enabling the mobility-dependent procedure to be performed with consideration of the obtained mobility status.

Abstract: A power supply, an over voltage protection (OVP) apparatus, and an OVP method are provided. The present invention employs the OVP apparatus for monitoring a core power. When a voltage level of the core power is higher than a reference voltage, the OVP apparatus disables a power supply unit. As such, the present invention is adapted for avoiding damage to a capacitor of a conversion unit or load caused by abnormal boost of the voltage level of the core power.

Abstract: A power supply system adopting two power supplies connected in parallel includes a first power supply comprising a first voltage-output terminal; a second power supply comprising a second voltage-output terminal; a first switch circuit comprising an input terminal connected to the first voltage-output terminal; a second switch circuit comprising an input terminal connected to the second voltage-output terminal; and a plug comprising a first pin connected to both an output terminal of the first switch circuit and an output terminal of the second switch circuit; wherein the voltage outputted from the first voltage-output terminal is equal to the voltage outputted from the second voltage-output terminal.

Abstract: A power supplying control method of a computer system for use with a first power supply and a second power supply both providing a first specific voltage to a motherboard, including steps of: detecting whether the first power supply and the second power supply, outputting the first specific voltage, are at a stable state; outputting the first specific voltage to a first pin when the first power supply is at the stable state; outputting the first specific voltage to the first pin when the second power supply is at the stable state; and outputting the first specific voltage to the motherboard via the first pin.

Abstract: A control method of a variable-frequency and multi-phase voltage regulator module is provided. The variable-frequency and multi-phase voltage regulator module is connected to a central processing unit and embedded on a motherboard for providing a central-processing-unit current. The control method includes steps of: detecting an intensity of a central-processing-unit current of the central processing unit; providing a power to the central processing unit via M number of phases based on a first switching frequency if the intensity of the central-processing-unit current is greater than a reference-current value; and providing a power to the central processing unit via N number of phases based on a second switching frequency if the intensity of the central-processing-unit current is less than the reference-current value.

Abstract: A multi-phase voltage regulator includes a pulse width modulation control unit, a pulse signal extension circuit, M counts of current providing paths, and a feedback signal switching circuit. The pulse width modulation control unit generates N counts of pulse signals in a first cycle period. The pulse signal extension circuit receives the N counts of pulse signals in a second cycle period and divides the N counts of pulse signals into M counts of pulse signals, wherein M=N×2K, K is a positive integer, and the second cycle period is 2K times the first cycle period. The M counts of current providing paths generate corresponding M counts of sensing voltages. The feedback signal switching circuit receives the M counts of sensing voltages, successively switches the M counts of sensing voltages into N counts of sensing voltages, and transmits the N counts of sensing voltages to the pulse width modulation control unit.