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Electricity: power supply or regulation systems May archived by USPTO category 05/10

20100127671 - Interleaved power factor corrector boost converter: The present invention relates to an interleaved power factor (PFC) correction boost converter. In order to enable the interleaved PFC boost converter circuit to operate over a wide range of input voltages and frequencies the circuit comprises: A first converter (A); A second converter (B) configured to operate in conjunction... Agent: Nixon & Vanderhye, PC

20100127672 - Power supply device with fast output voltage switching capability: A power supply device is disclosed in the present invention, which includes a DC-DC boost converter and a charge recycling circuit. The DC-DC boost converter is utilized for boosting an input voltage to generate an output voltage, and adjusting a voltage level of the output voltage according to a level... Agent: North America Intellectual Property Corporation

20100127673 - Power feed system and voltage stabilization method: A voltage stabilizing circuit is provided between an insulated converter and a non-insulated converter. When an input voltage Vin from the insulated converter rises, a base current Ib is caused to flow into a transistor via a capacitor, thereby causing a collector current Ic that is hfe times larger than... Agent: Staas & Halsey LLP

20100127674 - Power supply device of controlling feedback synchronization: A power supply device of controlling feedback synchronization is connected to an electric power source for obtaining an input power and includes first and second converters for modulating the input power. The first and second converters include first and second output terminals for providing first and second output power respectively.... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100127678 - Control circuit for dc-dc converter, control method for dc-dc converter, and electronic device: A control circuit for a DC-DC converter includes a controller configured to control, based on a feedback voltage, a first switch provided between an inductor and a reference potential and a second switch provided between a coupling node of the first switch and the inductor and an output terminal, a... Agent: Arent Fox LLP

20100127677 - Electric power supply device: In an electric supply device of the present invention, since a semiconductor element T1 is interrupted before a drain voltage V1 of the semiconductor element T1 is lower than an in-phase input minimum voltage, a load circuit can be assuredly protected. Further, assuming that a first decided voltage is L-V1... Agent: Sughrue-265550

20100127679 - Fault tolerant redundant clock circuit: A clock generation circuit, includes, in part, a comparator, a logic unit, and a switching circuit. The switching circuit generates a signal that is applied to the comparator. If the input voltage level of the signal applied to the comparator is greater than a first reference voltage, the comparator asserts... Agent: Townsend And Townsend And Crew LLP / Intersil

20100127675 - Low voltage power supply: A buck regulator for converting an input DC voltage, V+, into an output DC voltage level includes a coupled inductor for outputting the DC voltage level, and an error amplifier for sensing an error in the outputted DC voltage level and a pulse width modulator (PWM) providing a pulse waveform... Agent: Ratnerprestia

20100127682 - Methods and systems for component value estimation in power supplies/converters: In one embodiment, the method of these teachings includes decomposing the output ripple voltage into its constituent components and utilizing the scale factor necessary for this decomposition to obtain the measure capacitance and ESR for a power supply/converter.... Agent: Burns & Levinson LLP

20100127681 - Methods and systems for power supply adaptive control utilizing transfer function measurements: Methods and systems, utilizing simplified digital hardware, for measuring parameters needed for control of a system (referred to as a plant) such as a power supply or motor. In one embodiment, the system for measuring the desired parameters includes simplified digital hardware to implement the functionality of transfer function measurement... Agent: Burns & Levinson LLP

20100127676 - Power source apparatus: Disclosed is a power source apparatus including: a connector for outputting electric power, wherein the apparatus performs power output through a cable connected to the connector, a power source circuit capable of changing an output thereof; a control circuit to perform output control of the power source circuit; and a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20100127680 - Pwm voltage converter with transient and permanent fault immunity through redundancy and feedback adjustment: A pulse-width modulated (PWM) DC-DC converter has a multitude of redundant channels supplying PWM signals to a voter whose output voltage controls the regulated DC output voltage. To ensure that single transient events, single permanent faults, or mismatches in the electrical characteristics of the various components disposed in the redundant... Agent: Townsend And Townsend And Crew LLP / Intersil

20100127683 - Semiconductor device including a dc-dc converter: The electrical characteristics of a semiconductor device are enhanced. In the package of the semiconductor device, there are encapsulated first and second semiconductor chips with a power MOS-FET formed therein and a third semiconductor chip with a control circuit for controlling their operation formed therein. The bonding pads for source... Agent: Mattingly & Malur, P.C.

20100127684 - Current sense cascode amplifier: A current sense amplifier sensing current through a main switch of a converter. The amplifier includes first and second switch devices, an amplifier control circuit, a bias circuit, a current generator circuit, and a sense circuit. The main switch is coupled to an input, phase and control nodes. The first... Agent: Huffman Law Group, P.C.

20100127685 - Power source apparatus: A power source apparatus has a power source unit (AC, DB, Ci), a pair of reactors L1a and L1b each having a winding, and a controller 10 to accumulate energy of the power source unit in the pair of reactors and control the accumulated energy by turning on/off a switching... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100127686 - Power auto-detection apparatus: A power auto-detection apparatus is applied to a power supply of a personal computer or applied to an adapter of a notebook computer. The power auto-detection apparatus has a voltage stabilizing unit, an over-current protective unit, a voltage regulating unit, a signal processing unit, and a regulating resistor. The over-current... Agent: Hdls Patent & Trademark Services

20100127687 - Programmable voltage reference: A programmable voltage reference includes a temperature compensated current source and a voltage reference circuit. The temperature compensated current source includes an output configured to provide a reference current. The voltage reference circuit includes an input coupled to the output of the temperature compensated current source and a reference output.... Agent: Dillon & Yudell LLP

20100127688 - Current load driving device: A current load driving device includes a power supply terminal connected to a power supply line, an earth terminal connected to an earth line, one or more output terminals, a constant voltage source, a control unit, a current output unit, and a command unit. The constant voltage source supplies constant... Agent: Osha Liang L.L.P.

20100127689 - Reference voltage generation circuit and bias circuit: A reference voltage generation circuit comprises: a first depletion mode FET; a second depletion mode FET; a first resistor; a first bipolar transistor; a second resistor; a second bipolar transistor; a third bipolar transistor; a third resistor; a third depletion mode FET having its drain connected to a second end... Agent: Leydig Voit & Mayer, Ltd

20100127690 - Semiconductor apparatus: A semiconductor apparatus includes, a first switching device; a rectifying device; a control circuit controlling the first switching device; a first driving terminal; a first interconnection connecting the first switching device to the first driving terminal; and a second interconnection. The second interconnection is disposed to connect the rectifying device... Agent: Turocy & Watson, LLP

20100123441 - Multi-phase dc-dc converter control: A system and method of controlling a multi-phase DC-DC converter having a first phase-leg and a second phase-leg using a single current sensor and a controller is provided. The single current sensor senses an amount of current flowing through the direct current link. Based on the amount of current sensed,... Agent: Brooks Kushman P.C./fgtl

20100123440 - Workload balancing among power switching components in a multiphase switching power supply: Methods and apparatus for workload balancing among power switching components in a multiphase switching power supply, the power supply including one set of power switching components for each switching phase, where workload balancing includes: dropping one or more switching phases when output current demand on the power supply drops below... Agent: Ibm (rps-blf) C/o Biggers & Ohanian, LLP

20100123443 - Hybrid power converter: Power converter circuits, structures, and methods are disclosed herein. In one embodiment, a hybrid converter can include: (i) a first switching device controllable by a control signal; (ii) an inductor coupled to the first switching device and an output; and (iii) a control circuit configured to receive feedback from the... Agent: Michael C. Stephens, Jr.

20100123442 - Reconfigurable regulator and associated method: One embodiment of the invention includes a regulator system that includes a high-side power transistor electrically connected between a first node and a second node. The system also includes a low-side power transistor electrically connected between the second node and a third node. The high and low-side power transistors can... Agent: Texas Instruments Incorporated

20100123444 - Accelerated response to load transients in pfm dc-to-dc converters: A pulse generator circuit in a DC-to-DC converter may be configured to generate pulses that have a frequency that increases in response to increases in the load on the DC-to-DC converter. The pulse generator circuit may be configured to cause each pulse to have a constant width. When the pulse... Agent: Mcdermott Will & Emery LLP

20100123445 - Switching circuit and small-size high-efficiency dc-dc converter for portable devices including the same: Provided are a switching circuit and a small-size high-efficiency direct current-to-direct current (DC-DC) converter for portable devices including the same. Using dynamic threshold-complementary metal oxide semiconductor (DT-CMOS) transistors having dynamic threshold voltages as a switching device, the switching circuit maintains a low threshold voltage in a normal mode to improve... Agent: Ampacc Law Group

20100123446 - Feed-forward compensation for a hysteretic switching regulator: One embodiment of the invention includes a hysteretic power regulator system. The system includes a switching stage configured to periodically couple an input voltage to an inductor in response to a control signal to generate an output voltage. The system also includes a hysteretic control stage configured to generate the... Agent: Texas Instruments Incorporated

20100123447 - Over power compensation in switched mode power supplies: An over-power compensation circuit for use in a switched mode power supply having a current sense circuit for sensing a current flowing through a power transistor of the switched mode power supply. The over-power compensation circuit includes a peak detector, a sample-and-hold circuit, a current offset generator, and an offset... Agent: Semiconductor Components Industries, LLC Intellectual Property Dept. - A700

20100123448 - Controlled on-time buck pfc: An apparatus for generating an output voltage from an input voltage is provided. The apparatus comprises a switch that receives the input voltage, an inductor that is coupled to the switch, a capacitor coupled to the inductor with the output voltage being output from a node between the inductor and... Agent: Texas Instruments Incorporated

20100123449 - Wall control interface with phase modulation and detection for power management: A wall control interface for power management includes a transmitting circuit that generates a switching signal to control a switch and achieve a phase modulation to a power line signal in response to a transmitting-data. A receiving circuit is coupled to detect the phase of the power line signal for... Agent: Jianq Chyun Intellectual Property Office

20100123450 - Interleaved llc power converters and method of manufacture thereof: A system is provided having a first LLC power converter and a second LLC power converter. The first LLC power converter comprises a first LLC voltage source. The second LLC power converter also comprises a second LLC voltage source. The first LLC power converter also comprises a first resonant inductor,... Agent: Hitt Gaines P.C.

20100123451 - Inductive power transfer system and method: An inductive power transfer system includes a base unit comprising a first inductive element for providing input power to a second inductive element of a target unit providing output power, a positioning structure provided on at least one of the base unit and the target unit for removably positioning the... Agent: Harris Corporation C/o Darby & Darby PC

20100123452 - Power supply system and method of controlling power supply system: A power supply system that includes: a power supply coil and a power supply-side resonance coil that are provided at a facility; a power receiving coil and a power receiving-side resonance coil that are provided for a mobile unit; a power supply-side detection unit that detects a position of the... Agent: Oliff & Berridge, PLC

20100117608 - Control circuit, voltage regulator and related control method: A control circuit, applicable to a voltage regulator including a power switch. The control circuit includes a variable resistance generating unit and a detecting circuit. The variable resistance generating unit provides a variable resistor with resistance that varies over time. A reference current representing the current flowing through the power... Agent: North America Intellectual Property Corporation

20100117609 - Low dropout (ldo) voltage regulator and method therefor: A low dropout voltage regulator includes an error amplifier, a voltage divider, and a voltage reference/amplifier circuit. The error amplifier has first and second input terminals, a power supply terminal for receiving an input voltage, and an output terminal for providing a regulated output voltage. The voltage divider provides a... Agent: Semiconductor Components Industries, LLC Intellectual Property Dept. - A700

20100117610 - Bootstrap circuit and bulk circuit thereof: A bootstrap circuit is utilized in a bulk circuit using an NMOS transistor as a power switch. The bootstrap circuit includes a first PMOS transistor coupled between an internal power source and an offset capacitor, and a second PMOS transistor coupled between the gate of the first PMOS transistor and... Agent: North America Intellectual Property Corporation

20100117613 - Current direction detection circuit and switching regulator having the same: A switching regulator includes a first transistor and a second transistor connected in series between an input voltage and a reference voltage, an output terminal arranged to output an output voltage in accordance with a voltage appearing at a first connection point between the first and second transistors, a first... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP

20100117612 - Dc-to-dc converter comprising a reconfigurable capacitor unit: The present invention relates to a configurable trench multi-capacitor device comprising a trench in a semiconductor substrate. The trench has a lateral extension exceeding 10 micrometer and a trench filling includes a number of at least four electrically conductive capacitor-electrode layers. A switching unit is provided that comprises a plurality... Agent: Nxp, B.v. Nxp Intellectual Property & Licensing

20100117611 - Regulator circuit having n-type mos transistor controlled by error amplifier: A regulator circuit includes a direct-current voltage conversion circuit which receives a first power supply voltage, and generates a second power supply voltage by stepping down a first power supply voltage, and an error amplifier that operates based on the first power supply voltage, and outputs an output control signal... Agent: Mcginn Intellectual Property Law Group, PLLC

20100117616 - Adaptive controller with mode tracking and parametric estimation for digital power converters: A controller for a power stage may adaptively control power switches to improve the efficiency of power consumption by the power stage and detect continuous conduction mode (“CCM”) and discontinuous conduction mode (“DCM”) operations of the power stage without instantaneous or cycle by cycle sensing and sampling of the output... Agent: Intel/bstz Blakely Sokoloff Taylor & Zafman LLP

20100117615 - Esr zero estimation and auto-compensation in digitally controlled buck converters: One embodiment of the present invention is a digitally controlled DC-DC converter comprising of a power stage including at least one switch and an output capacitor. A digital controller can control the switching of the at least one switch. The digital controller can include logic to produce an indication related... Agent: Fliesler Meyer LLP

20100117614 - Tuning a switching power supply: Tuning a switching power supply, the power supply including a switching transistor; a filter circuit; a pulse generator that drives the switching transistor; a programmable filter connected to the output of the filter circuit; a digital signal processor (‘DSP’) connected to the output of the filter circuit, the DSP configured... Agent: Ibm (rps-blf) C/o Biggers & Ohanian, LLP

20100117617 - Negative lock loop and control method for a flyback voltage converter: A flyback voltage converter includes a transformer having a primary winding and a secondary winding, a switch serially connected to the primary winding for being switched to produce a current in the secondary winding, and a negative lock loop to adjust the peak value of the current in the secondary... Agent: Rosenberg, Klein & Lee

20100117618 - Over current protection circuit and power converter using the same: An over current protection circuit and a power converter using the same. The over current protection circuit includes a soft start cell and an operational amplifier. The soft start cell outputs a soft start signal according to a direct current (DC) level, and the soft start signal increases progressively to... Agent: Rabin & Berdo, PC

20100117619 - Current-mirror circuit: In a cascode current-mirror circuit which reproduces a reference current generated by a current source and outputs the reproduced reference current: the control electrodes of first and second transistors are connected; a third transistor is cascode-connected to the first transistor through a current electrode; a fourth transistor is cascode-connected to... Agent: Katten Muchin Rosenman LLP

20100117620 - Method of load shedding to reduce the total power consumption of a load control system: A method of determining a setpoint of a load control device for controlling the amount of power delivered to an electrical load located in a space, the method comprising the steps of initially setting the value of the setpoint equal to a desired level; limiting the value of the setpoint... Agent: Ostrolenk Faber Gerb & Soffen

20100117621 - Method of load shedding to reduce the total power consumption of a load control system: A method of determining a setpoint of a load control device for controlling the amount of power delivered to an electrical load located in a space, the method comprising the steps of initially setting the value of the setpoint equal to a desired level; limiting the value of the setpoint... Agent: Ostrolenk Faber Gerb & Soffen

20100109615 - Power factor correction circuit and method of driving the same: The present invention relates to a power factor correction circuit and a method of driving the power factor correction circuit. The power factor correction circuit according to the present invention includes a power transfer element configured to receive an input voltage, an input current corresponding to the input voltage flowing... Agent: Okamoto & Benedicto, LLP

20100109616 - System and method for reactive power compensation and flicker management: A Thyristor Switched Capacitor (TSC) system connected to three sets of diodes and thyristors connected in parallel with the diodes being in an anti-parallel configuration, three capacitors connected in series with the diodes and thyristors, and three surge current controlling reactors that control the transient time to improve power quality... Agent: Eaton Corporation Eaton Center

20100109617 - Current-limiting circuit and method for operating the circuit: A current-limiting circuit for limiting switch-on currents or transients includes a switch, a diode, an inductance, an input with a first connection and second connection, and an output with a first connection and second connection. The second connection of the input is connected via the switch to the junction of... Agent: Miles & Stockbridge PC

20100109618 - Method and system for managing uninterruptable power supply for harmonic reduction: A method and system for managing a dual rectifier uninterruptable power supply, comprising activating each of said rectifiers to provide an output DC voltage, monitoring a level of operation of the uninterruptable power supply and deactivating a selected one of said dual rectifiers when a level of operation of said... Agent: General Electric Company Ge Global Patent Operation

20100109619 - Power-managed socket: The present invention relates to a power-managed socket adapted for connecting to an electrical device and thus providing the electrical device with power. The power-managed socket comprises: a detection circuit capable of detecting and outputting a characteristic value of the electrical device connected to the power-managed socket, the characteristic value... Agent: Morris Manning Martin LLP

20100109620 - Semiconductor body and method for voltage regulation: A semiconductor body (1) comprises a first contact pad (2), a second contact pad (3), an integrated circuit (5) and an impedance (4). The integrated circuit (5) comprises a first terminal (6) which is coupled to the first contact pad (2) and a second terminal (7) which is coupled to... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100109621 - Current balancing circuit and method: A multi-phase power converter and a method for balancing a plurality of currents in the multi-phase power converter. The multi-phase power converter has a pulse width modulation circuit, a current ordering circuit, and a plurality of currents, wherein each current of the plurality of currents has an associated phase. The... Agent: Semiconductor Components Industries, LLC Intellectual Property Dept. - A700

20100109622 - Multiphase dc/dc converter: A multiphase DC/DC converter according to the present invention includes: a plurality of DC/DC converters whose outputs are connected in common to supply electric power to a load; a load state detection portion which detects a state of the load connected to the plurality of DC/DC converters and outputs a... Agent: Fish & Richardson P.C. Citigroup Center

20100109623 - Circuit, integrated circuit and method for dissipating heat from an inductive load: A circuit comprises an inductive load. The circuit further comprises an energy-absorbing component operably coupled to the inductive load and arranged to absorb energy generated by the inductive load.... Agent: Larson Newman & Abel, LLP

20100109624 - Low drop out (ldo) bypass voltage regulator: A power element bypass and voltage regulation circuit shutdown is used in a low drop out (LDO) bypass voltage regulator to minimize current drawn by the voltage regulator circuit when the supply input voltage approaches the regulated output voltage of the voltage regulation circuit. Two modes of operation are used... Agent: King & Spalding LLP

20100109628 - Clock control circuit and voltage pumping device using the same: A clock control circuit is provided. The clock control circuit includes a voltage supplier for supplying a first voltage in response to a first clock signal, a voltage booster for boosting the first voltage in response to the first clock signal input to the voltage booster, and a clock generator... Agent: Cooper & Dunham, LLP

20100109630 - Non-linear pwm controller for dc-to-dc converters: A nonlinear PWM controller for switching power supplies... Agent: Burns & Levinson LLP

20100109627 - Power circuit including step-up circuit and stabilizing method thereof: A power circuit includes a reference potential circuit, a step-up circuit, and a conversion circuit. The reference potential circuit generates a reference potential. The step-up circuit generates a desired internal potential by stepping up a power supply potential. The step-up circuit includes a comparison circuit, a differential amplifier circuit, and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100109626 - Power factor correction power supply unit, and control circuit and control method used in the same: A power factor correction power supply unit for correcting a power factor includes a switching device, an input voltage detection circuit, an output voltage detection circuit, an error amplifier for outputting an error signal obtained by amplifying a difference between an output voltage detection signal and a reference voltage, an... Agent: Kanesaka Berner And Partners LLP

20100109629 - Power supply apparatus: In a power supply apparatus that is so configured as to produce from an input voltage an output voltage Vo within a predetermined permissible variation range, the output voltage Vo is so controlled as to decrease within the permissible variation range as the output current Io increases. This configuration offers... Agent: Arent Fox LLP

20100109625 - Switching regulator and control circuit thereof: Multiple switching transistors are provided in parallel. An output circuit includes an inductor, an output capacitor, and a rectifying device. A pulse modulator generates a pulse signal with the duty ratio adjusted such that the output voltage of a switching regulator approaches a predetermined target value. A driver distributes a... Agent: Cantor Colburn, LLP

20100109631 - Tunable voltage isolation ground to ground esd clamp: A tunable voltage isolation ground to ground ESD clamp is provided. The clamp includes a dual-direction silicon controlled rectifier (SCR) and trigger elements. The SCR is coupled between first and second grounds. The trigger elements are also coupled between the first and second grounds. Moreover, the trigger elements are configured... Agent: Fogg & Powers LLC

20100109632 - Power supply regulator with digital control: An integrated circuit and method in an integrated circuit for providing electrical power utilizing digital power regulation. Various aspects of the present invention provide an integrated circuit comprising a power supply module that outputs electrical power at an output voltage level. An error determination module may receive a power supply... Agent: Mcandrews Held & Malloy, Ltd

20100109633 - Integrated circuit and a method for recovering from a low-power period: A system that has low power recovery capabilities, the system includes: a switch that is adapted to provide a gated power supply to a power gated circuit in response to a control current; and a control signal generator adapted to control an intensity of the control current in response to... Agent: Freescale Semiconductor, Inc. Law Department

20100109634 - Description electro-ageeb electrical safety device: ELECTRO-Ageeb Electrical Safety Device is a new invention that changes the dangerous electricity into a safe one. The new invention allows any human being, animal or any living body to touch live electrical terminals without feeling shock or exposed to any harm that usually happens in the ordinary electricity that... Agent: Salter & Michaelson The Heritage Building