Electricity: power supply or regulation systems inventions 05/08

20080122410 - Circuit arrangement and method for supplying power to, and clocking, clocked loads: A supply power can be fed in at a circuit arrangement for supplying power to, and clocking, clocked loads. The circuit arrangement provides a clock signal at a frequency and a supply voltage, the frequency and/or the supply voltage being able to be controlled by the circuit arrangement in such... Agent: Dickstein Shapiro LLP

20080122411 - Constant voltage power supply circuit: A disclosed constant voltage power supply circuit (1) has an input terminal (Vdd), an output terminal (Vout), a constant voltage power supply unit (2) that generates a constant voltage (Vo1) with a ripple voltage (Vri), and a ripple removing circuit unit (3) for removing the ripple voltage so that a... Agent: Cooper & Dunham, LLP

20080122413 - Method and apparatus for versatile high voltage level detection with relative noise immunity: A method and apparatus are provided for versatile high voltage level detection. A semiconductor device (100) is provided which includes a high voltage generating circuit (202) for generating a high voltage supply signal having a high voltage level and a voltage level detector (204) coupled to the output of the... Agent: Ingrassia Fisher & Lorenz, P.C.

20080122412 - Voltage regulator with loadline based mostly on dynamic current: A voltage regulator that is to change its DC output voltage as a primary function of a dynamic portion of integrated circuit (IC) supply current, wherein the voltage regulator's voltage dependence on at least one of a) IC supply leakage current, b) IC supply fixed dock current, or c) load... Agent: Blakely Sokoloff Taylor & Zafman

20080122414 - Power system: The present invention relates to voltage stabilization of electrical power networks, and in particular to a method for voltage stabilization of an electrical power network system comprising a producing power network system side and a consuming power network side to maintain voltage, wherein the power transfer YLD, wherein YLD is... Agent: Venable LLP

20080122415 - Voltage regulator for semiconductor memory: A voltage regulator as a stable power supply to internal circuits in a semiconductor memory device is provided. This regulator includes a comparing unit, a first driver transistor, a feedback unit, an auxiliary control unit, a first switch, a second switch, and a second driver transistor. The comparing unit compares... Agent: Jianq Chyun Intellectual Property Office

20080122416 - Dual input prioritized ldo regulator: An LDO regulator includes two linear regulator circuits and an internal priority logic scheme that favors generating a regulated output voltage using a regulated supply voltage over an unregulated supply voltage. The unregulated supply voltage is applied to a first input terminal from a raw voltage source. The regulated supply... Agent: Bever Hoffman & Harms, LLP Tri-valley Office

20080122417 - Extending the voltage operating range of boost regulators: One embodiment of the invention is a hybrid boost regulator that includes a conventional boost regulator chip that operates when its input voltage is above 2.5 volts and a pre-boost circuit that operates when its input voltage is above 1 volt. A single 1.5 volt battery may be used to... Agent: Patent Law Group LLP

20080122419 - Step-down switching regulator: A step-down switching regulator is disclosed that includes a first switching element, a smoothing circuit part including an inductor and a second switching element for synchronous rectification, a switching controller circuit part, and a reverse current detector circuit part that detects a reverse current flowing from the inductor to the... Agent: Cooper & Dunham, LLP

20080122418 - Synchronous dc/dc converter: A buck converter circuit is disclosed in which one or both of the control switch and the synchronous switch are III-nitride-based depletion mode. An enhancement mode switch is connected with one or both of the III-nitride based switches and operated to prevent conduction of current by the III-nitride based switch... Agent: Ostrolenk Faber Gerb & Soffen

20080122420 - Programmable conduction mode control for switching circuits: A control system that controls a switching circuit having a switching element and an inductive element coupled to an output of the switching element. The control system includes a switching control circuit that controls the switching element to operate the switching circuit in a first conduction mode of operation, such... Agent: Mcdermott Will & Emery LLP

20080122421 - Automatic voltage control circuit and method thereof: The invention discloses an automatic voltage control circuit for controlling a power supply unit to adjust a supply voltage provided by the power supply unit. The automatic voltage control circuit includes an oscillating unit, a frequency-comparing unit, and a control unit. The oscillating unit generates an oscillating signal. The frequency-comparing... Agent: North America Intellectual Property Corporation

20080122422 - Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction: A method and apparatus to implement parallel current mode control that is suitable for digital and analog implementation. A duty cycle algorithm is composed of a voltage term and a parallel current term which depends on the inductor current change between the inductor current value at the beginning of a... Agent: Fenwick & West LLP

20080116859 - Dropper type regulator: A dropper type regulator of the invention, in which a semiconductor device is connected in series between a DC power supply and a voltage output terminal, extracts a second voltage from the first voltage of the DC power supply; when the driving voltage of the semiconductor device is detected as... Agent: Wood, Herron & Evans, LLP

20080116860 - Burn-in system power stage: A burn-in system includes a testing stage configured to stress test one an integrated circuit and a power stage having a voltage control mode and a current control mode. The power stage is configured to supply power to the testing stage. One embodiment of the power stage includes a pulse... Agent: Westman Champlin & Kelly, P.a.

20080116861 - Apparatus and method for controlling the propagation delay of a circuit by controlling the voltage applied to the circuit: The voltage applied to an integrated circuit is controlled by a temporal process monitor formed as part of the integrated circuit. The temporal process monitor includes a voltage controlled oscillator for producing a first output signal having a first period. A comparator compares the first period to one or more... Agent: Michael W. Caldwell

20080116862 - Low dropout regulator with wide input voltage range: A low dropout (LDO) regulator operates in wide input range. The LDO includes an N-type pass transistor and a P-type pass transistor for supplying power to the output terminal. The P-type pass transistor is connected with N-type pass transistor in parallel. Two error amplifiers control the gate terminals of the... Agent: Birch Stewart Kolasch & Birch

20080116863 - Device and method for voltage regulator with low standby current: An apparatus and method for providing a reference voltage for regulating voltage levels. The apparatus includes a first voltage generation system configured to receive a first control signal and output a calibration voltage, a voltage adjustment system configured to receive the calibration voltage and a reference voltage and output a... Agent: Townsend And Townsend And Crew, LLP

20080116864 - Dc-dc converter: A detection resistor is disposed in a main current path in order to detect an output current flowing through an output switching device in a conventional DC-DC converter that converts a DC input voltage into a stepped down DC output voltage by turning on/off of the output switching device. At... Agent: Morrison & Foerster LLP

20080116865 - Power supply controller and method therefor: In one embodiment, an error amplifier of a power supply controller is configured to receive a current sense signal prior to the current sense signal undergoing amplification.... Agent: Mr. Jerry Chruma Semiconductor Components Industries, L.l.c.

20080116868 - Step-up/step-down switching regulator: A disclosed step-up/step-down switching regulator includes a step-up/step-down part using an inductor for stepping up or stepping down an input voltage from an input terminal and outputting the stepped-up/stepped-down voltage from an output terminal according to a control signal, and a control part for controlling the stepping-up/stepping-down by the step-up/step-down... Agent: Cooper & Dunham, LLP

20080116867 - Switching converter: The switching converter contains a switching transistor, a first inductance and a first diode, which are connected so as to form a step-down converter for the purpose of producing a first rectified output voltage from an input voltage. The switching transistor is connected on the input side to the input... Agent: Joseph J. Laks Thomson Licensing Llc

20080116870 - Valley detecting circuit and method for a voltage drop across a switching device: A valley detecting circuit and method are provided for a voltage drop across a switching device, which detect a voltage drop across the switching device to produce a first voltage proportional to the voltage drop across the switching device, clamp the first voltage to produce a second voltage, level shift... Agent: Rosenberg, Klein & Lee

20080116866 - Voltage reference circuit with fast enable and disable capabilities: An integrated circuit for providing an output voltage substantially equal to a reference voltage includes: a low drop-out (LDO) regulator coupled to the reference voltage for producing the output voltage at an output terminal; a fast turn-on circuit coupled to the LDO regulator for quickly supplying an output current at... Agent: North America Intellectual Property Corporation

20080116869 - Voltage rising/falling type switching regulator and operation control method thereof: In a voltage rising/falling type switching regulator including a voltage rising/falling part and a control part, the voltage rising/falling part includes a switching transistor for voltage falling, a rectifier element for voltage falling, a switching transistor for voltage rising, and a rectifier element for voltage rising, the control part is... Agent: Cooper & Dunham, LLP

20080116871 - Hybrid control methods for digital pulse width modulator (dpwm): A digital pulse width modulator leverages clock frequency to achieve very fine duty cycle resolution by using a constant number of time slots for each state of a pulse signal and varying the number of time slots in a switching cycle within acceptable limits for variation of the switching cycle... Agent: Whitham, Curtis & Christofferson & Cook, P.c.

20080116872 - Dc-dc converter: According to the present invention, there is provided a DC-DC converter converting input voltage into output voltage, including: an inductor having one terminal connected to the input voltage; a switch connected to the other terminal of the inductor and performing a switching behavior based on input of a periodic pulse... Agent: Foley And Lardner LLP Suite 500

20080116873 - Power supply: A power supply is provided, which is capable of stabilizing a generated output of the fuel cell using neither a voltage nor a current outputted from the fuel cell as a negative feedback signal. The power supply includes a fuel cell 110, a DC-DC converter 120 that adjusts a voltage... Agent: Mcdermott Will & Emery LLP

20080116874 - Bandgap reference circuits with isolated trim elements: A bandgap reference circuit utilizes differential transistors to generate a temperature-independent bandgap voltage. In place of conventional trim elements that are connected in parallel to and adjust the resistance values of the bandgap reference circuit, current control circuits are placed in the current paths passing through the differential transistors (i.e.,... Agent: Bever Hoffman & Harms, LLP Tri-valley Office

20080116875 - Systems, apparatus and methods relating to bandgap circuits: A system includes a bandgap reference voltage circuit, a plurality of trimming resistors, a plurality of trimming switches to connect the bandgap reference voltage circuit to one or more of the plurality of trimming resistors, and an output terminal to connect to at least one of the bandgap reference voltage... Agent: Slater & Matsil LLP

20080111525 - Reference voltage supply circuit, analog circuit, and electronic instrument: A reference voltage supply circuit includes a first supply circuit that includes a reference-voltage first-type operational amplifier and supplies an analog reference voltage to a first analog reference voltage line, and a second supply circuit that includes a reference-voltage second-type operational amplifier and supplies the analog reference voltage to a... Agent: Oliff & Berridge, Plc

20080111526 - Input current or voltage limited power supply: An apparatus comprises a linear power supply and an auxiliary power supply powered from the linear power supply. The auxiliary power supply comprises a switching regulator connected to receive, at an input thereof, the output voltage of the linear power supply and to generate therefrom an output voltage of the... Agent: Woodcock Washburn LLP

20080111528 - Driving device and switching circuit thereof: A driving device suitable for receiving a power to drive a load is provided. The driving device includes a switching circuit and a power converting circuit. The switching circuit is coupled to the power and has a control terminal to receiving a first control signal. The power converting circuit is... Agent: J C Patents, Inc.

20080111527 - Energy regulator: Embodiments for energy regulation are disclosed.... Agent: Hewlett Packard Company

20080111529 - Methods, apparatus and media for control scheme for parallel high-side switching mosfets: The present disclosure relates to a power regulator including an inductor and a high-side switch comprising a first MOSFET and a second MOSFET in parallel. The regulator may also include an electrical pathway between the high-side switch and the inductor. A controller may also be communicatively coupled to the high-side... Agent: Andrea E. Tran Pramudji Wendt & Tran, LLP

20080111531 - Control circuit for synchronous rectifier-type dc-dc converter, synchronous rectifier-type dc-dc converter and control method thereof: To provide a control circuit for a synchronous rectifier-type DC-DC converter, a synchronous rectifier-type DC-DC converter and a control method thereof in which, in a light load state and a no-load state, an output voltage can be dropped to thus prevent an overshoot state from continuing. A synchronous rectifier-type DC-DC... Agent: Arent Fox LLP

20080111530 - Control circuit of current mode dc-dc converter and control method of current mode dc-dc converter: To provide a control circuit of a current mode DC-DC converter, a current mode DC-DC converter and a control method thereof having excellent high-speed responsiveness with respect to fluctuations in output voltage. The control circuit of the current mode DC-DC converter serves as a DC-DC converter 1 that controls a... Agent: Arent Fox LLP

20080111532 - Fast voltage regulators for charge pumps: A digital multilevel memory system includes a charge pump and a voltage regulator for generating regulated high voltages for various memory operations. The charge pump may include a plurality of boost circuits to boost the output of the charge pump during a fast start up. Afterwards, the boost circuits are... Agent: Dla Piper Us LLP

20080111533 - Voltage generating circuit of semiconductor integrated circuit: A voltage generating circuit of semiconductor integrated circuit includes: a voltage controller that detects the level of an external supply voltage and outputs a voltage control signal; a voltage supplier that outputs the external supply voltage or a first internal voltage in response to the voltage control signal; and a... Agent: Venable LLP

20080111534 - Dynamically configurable voltage regulator for integrated circuits: A voltage regulator architecture for an integrated circuit is described. An apparatus may comprise a power switch array having multiple pass transistors, a voltage regulator array having multiple voltage regulators each coupled to a subset of the pass transistors, a subsystem circuit array having multiple subsystem circuits each coupled to... Agent: Kacvinsky Llc C/o Intellevate

20080111535 - Separate type converter having relatively better effectiveness: The present invention provides a separate type converter. The separate type converter includes a power control module having a power control circuit generating a first control signal, and a power stage module having a power stage circuit coupled to the power control circuit for receiving the first control signal and... Agent: Volpe And Koenig, P.c.

20080106241 - Method and system for providing power factor correction in a power distribution system: A device for providing power factor correction of a low voltage subnet that includes a low voltage feeder line that is connected to one or more low voltage power supply lines that supply power to one or more customer premises is provided. In one embodiment, the device includes a power... Agent: Capital Legal Group, LLC

20080106242 - Current regulation module: The present invention discloses a current regulation module for providing a predetermined current. The current regulation module comprises a linear power conversion circuit, a switching power conversion circuit, a current detector, and a controller. The current detector is used to detect the output current of the current regulation module and... Agent: Birch Stewart Kolasch & Birch

20080106243 - Control circuit of dc-dc converter: A control circuit of a DC-DC converter is provided. A mode selection section selects an ACF or LLC mode. A soft start section generates a soft start signal in the ACF and LLC modes. A PWM comparison section compares a current detection signal with a feedback signal, a feedback reference... Agent: Lowe Hauptman Ham & Berner, LLP

20080106244 - Dc-dc converting circuit: An exemplary DC-DC converting circuit (2) includes an input terminal (20), a regulating circuit (21), a bleeder circuit (23), an output terminal (25), a voltage-controlling terminal (26), and a load (24). The input terminal, the regulating circuit, the bleeder circuit, and the output terminal are connected in series. The output... Agent: Wei Te Chung Foxconn International, Inc.

20080106245 - Voltage supply circuit: A voltage supply circuit includes an output transistor causing a first current to flow to an output terminal of the voltage supply circuit based on a control voltage applied from an error amplifier to a control terminal of the output transistor; and an overcurrent protection circuit including a reference transistor... Agent: Mcginn Intellectual Property Law Group, PLLC

20080106246 - Driver for a power converter and a method of driving a switch thereof: A driver for a power converter, method of driving a switch thereof, and a power converter employing the same. In one embodiment, the driver includes switching circuitry referenced to a voltage level and configured to provide a drive signal for a switch referenced to another voltage level and subject to... Agent: Glenn W. Boisbrun Slater & Matsil, L.L.P.

20080106247 - Trimmed current mirror: A circuit is used for providing an output current that is proportional to an applied input current with high accuracy. The circuit includes an input circuit, a trimmable coupling circuit and an output circuit. The input circuit receives the input current and generates a reference input current in response to... Agent: O2micro Inc C/o Murabito, Hao & Barnes LLP

20080106248 - Voltage regulator configured to exchange commands and data with a power management engine: The present disclosure provides voltage regulator configured to exchange commands and data with a power management engine. A method according to one embodiment may include generating, by a voltage regulator, at least one state signal indicative of the operational parameters of the voltage regulator; transmitting, by the voltage regulator, the... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC C/o Portfolio Ip

20080100270 - Voltage regulation unit with zener diode and voltage regulation device thereof: A voltage regulation unit with a Zener diode receives a driving voltage outputted from a charge pump and controls a level of the driving voltage to regulate the driving voltage. The voltage regulation unit includes a current mapping unit, a Zener diode and a biasing unit. The current mapping unit... Agent: Rabin & Berdo, PC

20080100271 - Electronic system with apc: An electronic system comprises an automatic power control (APC) unit, an adjustment unit, and a calibration unit. The automatic power control (APC) unit receives a first input signal and a second input signal and generates an output signal. An adjustment unit coupled to the first input terminal of the APC... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080100272 - Power supply circuit and battery device: A power supply circuit with low noise and low power consumption and a battery device using the power supply circuit. If a voltage VDD is higher than a prescribed voltage, a charge pump circuit 140A is operated in “½ mode” (a step-down ratio of “2”), steps down the voltage VDD,... Agent: Texas Instruments Incorporated

20080100273 - Dc-dc converter and its controlling method: A buck converter circuit and a boost converter circuit, which co-use a main inductor, are connected in series with each other between a DC power-supply and a DC load between output terminals a-b of a rectifier circuit. Moreover, utilizing energy accumulated into first and second auxiliary inductors which are loosely... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080100274 - Power supply circuit, power supply control circuit, and power supply control method: A DC-DC converter and first and second bypass switch circuits are provided in parallel between an input pin and first and second output pins and operate in accordance with a combination of the voltage value of the input pin and the voltage value required for the first output pin. A... Agent: Arent Fox LLP

20080100276 - Current sensing circuit and voltage regulator using the same: A current sensing circuit for sensing an output current generated by a voltage regulator includes a first double-diffused metal-oxide semiconductor transistor and a current-voltage converter. The first double-diffused metal-oxide semiconductor transistor has a first gate terminal to receive an output control signal from a control circuit of the voltage regulator.... Agent: Dickstein Shapiro LLP

20080100275 - Method and apparatus to reduce maximum power from a power supply with transition region regulation: Techniques are disclosed to regulate the output power of a power supply. An example technique for regulating a power supply output includes regulating in response to a feedback signal an output current of a power supply in a regulated current region of operation if an output voltage of the power... Agent: Blakely Sokoloff Taylor & Zafman

20080100278 - Cycle by cycle synchronous buck converter control based on external clock: A DC-DC voltage converter having a switching stage including high- and low-side switches connected in series at a switched node across a DC voltage bus; a control circuit; and a feedback loop connected between an output of the switching stage and an input of the control circuit, the control circuit... Agent: Ostrolenk Faber Gerb & Soffen

20080100277 - Switching controller having synchronous input for the synchronization of power converters: A switching control circuit having a synchronous input for the synchronization of power converters is provided. It includes a synchronous input circuit for receiving a synchronous input signal. An oscillation circuit is connected to the synchronous input circuit for generating an oscillation signal in response to the synchronous input signal.... Agent: Jianq Chyun Intellectual Property Office