Patent application number | Description | Published |
20100162010 | SWITCHING POWER CIRCUIT AND COMPUTER SYSTEM - The invention relates to a switching power circuit connected to a motherboard of a computer system. The switching power circuit includes a PWM circuit and a snubber circuit. The PWM circuit includes a phase terminal, and it may output an output voltage to the motherboard via the phase terminal. The snubber circuit includes a zener diode. A negative terminal of the zener diode is connected to the phase terminal, and a positive terminal is connected to the ground terminal. The level of a breakdown voltage of the zener diode is equal to the level of the output voltage in a steady state. | 06-24-2010 |
20100176774 | METHOD FOR ADJUSTING SUPPLIED POWER IN COMPUTER SYSTEM BACKGROUND OF THE INVENTION - A method for adjusting supplied power is used at a computer system and a multi-phase power supply. The multi-phase power supply includes a plurality of power converting units. The method includes the following steps. First, a load state of the computer system is detected. Second, the number of the actuated multi-phase power supply in the power converting units is adjusted according to the load state. | 07-15-2010 |
20100188052 | Charge Device - A charge device includes a charge circuit and a monitoring circuit. The charge circuit includes a current limiting element, a rectifier element, and a DC voltage supply unit. The rectifier element is connected with the current limiting element in series. The DC voltage supply unit is used for providing a DC voltage to the battery to charge the battery via the current limiting element and the rectifier element connected with the current limiting element in series. The monitoring circuit includes a temperature sensing unit and a first control unit. The temperature sensing unit is used for sensing a surface temperature of the battery. The first control unit is used for controlling the DC voltage supply unit to stop charging the battery when the surface temperature is higher than a predetermined temperature. | 07-29-2010 |
20100191986 | MULTI-PHASE VOLTAGE REGULATOR MODULE SYSTEM - A multi-phase voltage regulator module system includes a VRM and a phase control circuit. The VRM is capable of outputting a load detecting voltage which is direct proportion to the load of the CPU. The phase control circuit outputs a first level phase switching signal to the VRM, and a core voltage outputted by the VRM to the CPU is changed from N phases to M phases when the load detecting voltage increases to a first voltage. The phase control circuit a second level phase switching signal to the VRM, and the core voltage outputted by the VRM to the CPU from M phases to N phases when the load detecting voltage decreases to a second voltage. The first voltage is higher than the second voltage. M is larger than N. | 07-29-2010 |
20140095900 | POWER SUPPLY SYSTEM - A power supply system for an information handling system is provided. The information processing system is electrically coupled to an AC power source and includes at least one computer unit. The power supply system includes: at least one AC power supply unit electrically coupled to the at least one computer unit and the AC power source; at least one DC power supply unit electrically coupled to the at least one computer unit; and a backup power unit electrically coupled to the at least one DC power supply unit. In response to the at least one AC power supply unit not supplying power, the at least one DC power supply unit supplies power to the at least one computer unit. A data center having the power supply system is further provided. | 04-03-2014 |
20150185802 | EFFICIENCY ADJUSTMENTS IN POWER SUPPLY SYSTEM - A power supply system for maintaining the efficiency of an AC/DC power conversion unit in relation to a load is disclosed. The load varies in response to power usage during operation of the power supply system. An AC power input and a DC power output of the power conversion unit direct DC power to attached components. A master controller disposed in the power supply system detects the load of an attached computer system through a DC meter and executes an algorithm to determine the values of circuit parameters of conversion circuits in the AC/DC power conversion unit. The master controller sends the values to a mode controller through a digital signal interface. The mode controller adjusts the operating mode of the conversion circuits and thus changes the efficiency of the AC/DC power conversion unit. | 07-02-2015 |
20150188266 | Apparatus and Receptacle Structure for Power Interconnection - Disclosed is an apparatus for power interconnection, adapted for use between a main connector and a DC main. The power connector has a connector power terminal and the DC main has a DC main power terminal. The apparatus includes an apparatus power terminal for being electrically coupled to the DC main power terminal in response to the apparatus in connection with the DC main; a first conductor including a resistor and a conductive contact, the conductive contact being electrically coupled to the resistor; and a second conductor, the resistor being electrically coupled to the second conductor, wherein, in response to an action of the power connector in connection with the apparatus, the connector power terminal contacts the conductive contact and a first current flowing therethrough is limited by the resistor. A receptacle structure for power interconnection is also disclosed. | 07-02-2015 |
20150188403 | EFFICIENCY ADJUSTMENTS IN POWER SUPPLY SYSTEM - A power supply system for maintaining the efficiency of an AC/DC power conversion unit in relation to a load is disclosed. The load varies in response to power usage during operation of the power supply system. An AC power input and a DC power output of the power conversion unit direct DC power to attached components. A master controller disposed in the power supply system detects the load of an attached computer system through a DC meter and executes an algorithm to determine the values of circuit parameters of conversion circuits in the AC/DC power conversion unit. The master controller sends the values to a mode controller through a digital signal interface. The mode controller adjusts the operating mode of the conversion circuits and thus changes the efficiency of the AC/DC power conversion unit. | 07-02-2015 |