|Electricity: power supply or regulation systems patents - Monitor Patents|
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Electricity: power supply or regulation systemsBelow are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 02/27/2014 > 18 patent applications in 11 patent subcategories.
20140055104 - Adaptive dc-link voltage controlled lc coupling hybrid active power filters for reactive power compensation: An adaptive dc-link voltage controlled LC coupling hybrid active power filter (LC-HAPF) for reactive power compensation includes: two dc capacitors to provide dc-link voltage; a three-phase voltage source inverter to convert dc-link voltage into compensating voltages; three coupling LC circuits to convert compensating voltages into currents; and an adaptive dc... Agent: University Of Macau
20140055105 - Voltage scaling system: A circuit for downscaling voltage comprising: a voltage regulator; a voltage reference register configured to provide a voltage reference value; a voltage comparator configured to output a logical one if a supply voltage of the voltage regulator is greater than the voltage reference value, wherein a first input of the... Agent: Atmel Corporation
20140055107 - Adaptive inductor peak current control of a switching regulator for mechanical noise reduction: A current driver is coupled to an inductor; a digital control for regulation of the current driver turns the current driver on or off coupled to the current driver; a comparator output coupled to the input of the digital control for regulation of the driver with inputs to compare a... Agent:
20140055106 - Control circuit, time calculating unit, and operating method for control circuit: A control circuit, a time calculating unit, and operating method for control circuit are disclosed. The control circuit is operated in a power converter and coupled to a load. The control circuit includes an output stage and a time calculating unit. The time calculating unit receives a control signal and... Agent: Upi Semiconductor Corporation
20140055108 - Power supply device, control circuit, electronic device and control method for power supply: A power supply device that includes a switch circuit to which an input voltage is supplied, a coil coupled between the switch circuit and an output terminal from which an output voltage is outputted. A voltage adding circuit adds a slope voltage to a reference voltage. A control unit compares... Agent: Spansion LLC
20140055109 - Power converter including integrated driver for depletion mode group iii-v transistor: In one implementation, a power converter includes an output stage integrated circuit (IC) on a group III-V die, and a driver IC for driving the output stage IC, the driver IC fabricated on a group IV die. The power converter also includes a composite power switch split between the group... Agent: International Rectifier Corporation
20140055110 - Method and apparatus for optimizing linear regulator transient performance: A voltage regulator compensation circuit provides power to a dynamic load and includes a power transistor configured to drive the dynamic load, a reference determining transistor configured to establish a voltage reference proportional to a regulated output voltage of the power transistor, and a control circuit coupled to a gate... Agent:
20140055111 - Advanced energy management: A system adapted to regulate a voltage of a supply bus is described. The system includes a source adapted to supply a source current to the supply bus, a load adapted to draw a load current from the supply bus, and a bi-directional voltage to current converter adapted to provide... Agent: Honeywell International Inc.
20140055113 - Boost converter circuit: A boost converter circuit includes a first boost module, a first detecting unit, a second boost module and a first detecting unit. The first boost module includes a first comparing control unit. The first detecting unit is coupled to the first boost module, and the first detecting unit adjusts a... Agent: Asustek Computer Inc.
20140055112 - Low dropout voltage regulator with a floating voltage reference: An embodiment of a voltage regulator includes a pass device, a feedback circuit, and an operational amplifier (opamp). A first current conducting terminal of the opamp is coupled to an input voltage node, and a second current conducting terminal of the opamp is coupled to a regulated voltage node. The... Agent:
20140055114 - System for balancing current supplied to a load: A system for balancing current supplied by a plurality of regulators coupled to a load includes circuitry operable to measure an average load current supplied by each regulator, determine an overall average current to be shared by the plurality of regulators, and compare each average load current with the overall... Agent: Infineon Technologies Austria Ag
20140055115 - Methods and apparatus for dc-dc converter having dithered slope compensation: Methods and apparatus for a circuit including a DC-DC converter comprising: a boost converter to provide a DC voltage output from a DC input voltage, the DC output voltage configured to connect with a first load terminal, a feedback module configured to connect with a second load terminal, a switching... Agent:
20140055116 - Method and control arrangement in a power system: A method of controlling a magnitude of an electrical parameter in a power system via a high voltage electron tube. The method includes the steps of measuring the magnitude of the electrical parameter; generating a control signal based on the magnitude of the electrical parameter and on a reference magnitude... Agent:
20140055118 - High efficiency dc/dc converter with high conversion ratio: A high efficiency DC/DC converter with high conversion ratio is provided. The DC/DC converter includes a power switch for selectively switching an electrical connection between one side of a power supply and anodes of a first diode and a second diode, a first capacitive element whose one side is connected... Agent: Industrial Cooperation Foundation Chonbuk National University
20140055120 - Inductor array chip and dc-dc converter: An inductor array chip includes a magnetic laminated body and a plurality of inductors. The magnetic laminated body includes a plurality of stacked magnetic layers. The plurality of inductors are arranged inside the magnetic laminated body. The inductance of a first inductor differs from the inductance of a second inductor.... Agent: Murata Manufacturing Co., Ltd.
20140055119 - Power supply of a load at a floating-potential: A circuit includes a current source intended to be series-connected with a load between two terminals of application of a first D.C. voltage. An element limits the voltage across the load and a circuit controls the value of the current in the current source with the current flowing in the... Agent: Stmicroelectronics (rousset) Sas
20140055121 - Pump control circuit and integrated circuit including the same: An integrated circuit includes a peripheral circuit, a voltage supplying circuit, and a controller The voltage supplying circuit is configured to select one or more second pumps from the plurality of first pumps in response to a function select signal and generate a corresponding one or more operation voltages to... Agent: Sk Hynix Inc.02/20/2014 > 17 patent applications in 10 patent subcategories.
20140049230 - Novel multi-level converter topology with the possibility of dynamically connecting individual modules in series and in parallel: The present invention describes an electrical converter system for power supply systems, comprising at least two identical individual modules connected consecutively, characterised in that each individual module have at least four internal switching elements, at least one energy storage element and at least four connectors, wherein the connectors are paired... Agent: Technische Universitaet Muenchen
20140049231 - Pfc signal generation circuit, pfc control system using the same, and pfc control method: A PFC signal generation circuit which generates a PFC signal to control a PFC circuit including a first inductor connected to a first switch and a second inductor connected to a second switch includes: a counter whose count value is cleared based on a first timing when a zero current... Agent: Renesas Electronics Corporation
20140049232 - Ripple suppressor circuit and method therefor: In one embodiment, a method of forming a ripple suppressor circuit includes a configuring the ripple suppressor circuit to receive a first signal that is representative of a requested voltage and a second signal that is a filtered value of the first signal. The method also includes configuring the ripple... Agent: Semiconductor Components Industries, LLC
20140049233 - Virtual admittance controller based on static power converters: The invention relates to a virtual admittance controller based on static power converters, comprising a control loop into the inlet of which is injected the difference in voltage between a virtual internal voltage (e) and the voltage at the network connection point (v). Said difference in voltages feeds a virtual... Agent: Abengoa Solar New Technologies, S.a.
20140049234 - Regulator for controlling output voltage: There is provided a regulator for controlling an output voltage, capable of stabilizing the voltage output from the regulator. The regulator for controlling an output voltage may include an output current generating unit generating an output current according to a reference voltage, an output voltage detecting unit detecting an output... Agent: Samsung Electro-mechanics Co., Ltd.
20140049236 - Switch control circuit, converter including the same and driving method thereof: Disclosed are a switch control circuit, a converter including the same, and a driving method thereof. The converter includes an inductor for storing energy of an input end and providing the same to an output end, a first switch coupled between the inductor and a ground, and a switch control... Agent: Fairchild Korea Semiconductor Ltd.
20140049237 - Switching power supply device and electronic appliance therewith: Provided is a switching power source device in which fluctuation of the switching frequency can be suppressed without impairing the advantages of a non-linear control system. A switching power source device is provided with: switching control units of non-linear control type that generate an output voltage (out) from an input... Agent: Rohm Co., Ltd.
20140049235 - Switching regulator and the method thereof: A switching regulator including: a power stage having a first power switch and a second power switch coupled in series; a filter circuit having an inductor and an output capacitor; a feedback circuit configured to provide a feedback signal indicating an output voltage of the regulator; and a control circuit... Agent: Chengdu Monolithic Power Systems Co., Ltd.
20140049239 - Current-mode controller for step-down (buck) converter: A current-mode regulator relies on indirect current measurement to facilitate slope compensation used to stabilize the operation of a buck converter. The current-mode regulator comprises an inductor, a switching network, and a controller. The inductor delivers an output current to a load. The switching network selectively connects the inductor input... Agent:
20140049241 - Dimming control for a switching power supply: An example controller includes a measurement block and a drive block. The measurement block determines an amount of time that a dimmer circuit, that is coupled to an input of a power supply, disconnects an ac input voltage. The drive block generates a drive signal to control switching of a... Agent: Power Integrations, Inc.
20140049240 - Multi-phase power supply controller and method therefor: In one embodiment, a method of forming a multi-channel power supply controller includes forming a plurality of channels configured to regulate an output voltage between first and second values, configuring the controller to select a channel that has a lowest current value and initiate forming a drive signal for that... Agent: Semiconductor Components Industries, LLC
20140049238 - Switch mode power converter current sensing apparatus and method: Methods and apparatus are presented for sensing current flowing in a power transistor of a switch mode converter, in which a voltage is sensed across a first field effect transistor connected in a series circuit branch in parallel with the power transistor, and the sensed voltage is used to generate... Agent: Texas Instruments Incorporated
20140049242 - Regulator device: A regulator device includes: a power input terminal; a power output terminal; a plurality of regulators each including an operating FET and a monitoring FET to be driven together with the operating FET, the plurality of regulators being arranged in parallel between the power input terminal and the power output... Agent: Fujitsu Limited
20140049243 - Current generator and method of operating: A current generator includes an amplifier having a first terminal configured to receive an input voltage, at least one tunable resistor coupled to a second terminal of the amplifier, a resistor calibration circuit coupled to the at least one tunable resistor, and at least one transistor. A gate of the... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.
20140049244 - Reference voltage generation for single-ended communication channels: An improved reference voltage (Vref) generator useable, for example, in sensing data on single-ended channels is disclosed. The Vref generator can be placed on the integrated circuit containing the receivers, or may be placed off chip. In one embodiment, the Vref generator comprises an adjustable-resistance voltage divider in combination with... Agent: Micron Technology, Inc.
20140049245 - Reference voltage generation circuit of semiconductor device: A reference voltage generation circuit includes: a reference voltage generation unit configured to generate a plurality of reference voltages having mutually different temperature characteristics, a switching unit configured to select and output one of the plurality of reference voltages in response to a control signal, a temperature detection unit configured... Agent: Sk Hynix Inc.
20140049246 - Power supply arrangement with a transformer having a transformer core with legs arranged in a polygon: Power supply arrangement with first transformer (T1), having transformer core (K) with legs (K1) and yokes (K2) connecting these legs. Legs (K1) and yokes (K2) are arranged in geometric shape of a cylinder. The cylinder has first polygon as base surface and second polygon as surface opposite. The yokes (K2)... Agent: Aeg Power Solutions B.v.02/13/2014 > 20 patent applications in 12 patent subcategories.
20140042992 - Pfc signal generation circuit, pfc control system using the same, and pfc control method: A PFC signal generation circuit which generates a PFC signal to control a PFC circuit including a first inductor connected to a first switch and a second inductor connected to a second switch includes: a first control signal output circuit that outputs a first PFC signal to turn on the... Agent: Renesas Electronics Corporation
20140042991 - Power conditioning and saving device: Systems and methods are disclosed herein to a power factor adjustor comprising: a power factor measurement unit configured to measure the power factor on an input line to a load and generate a power factor correction signal based on the measured power factor; and a power factor adjustment unit connected... Agent: Powermag, LLC
20140042993 - Method and apparatus of shunt control for multiple power converters on a shared dc bus: A system for managing shunt utilization among multiple power converters sharing a common DC bus is disclosed. Each power converter includes a shunt device, typically one or more power resistors, configured to dissipate power from the DC bus. The power converter is configured according to an initial set of configuration... Agent:
20140042995 - Method and system for calibrating battery pack voltage: A negative terminal voltage of a cell is changed from a first to a second negative terminal voltage so that a cell voltage is changed from a first to a second output voltage. A differential-mode calibration parameter is calculated based on a difference between the first and second output voltages... Agent: O2micro Inc.
20140042997 - Operational transconductance amplifier feedback mechanism for fixed feedback voltage regulators: An operational transconductance amplifier used in conjunction with a multiple chip voltage feedback technique allows multiple strings of LEDs and current sinks to be efficiently powered by a simple feedback oriented voltage regulator within an appliance. A connected series of differential amplifiers or multiplexors are used to monitor the voltages... Agent: Advanced Analogic Technologies Incorporated
20140042994 - Soft-start control techniques for a switched-mode power supply: A power supply system including switched-mode power supply circuitry configured to generate a DC output voltage from a DC input voltage and soft-start feedback circuitry configured to control the switched-mode power supply circuitry to generate a predefined output voltage during a soft-start period of operation. The soft-start feedback circuitry includes... Agent: Fairchild Semiconductor Corporation
20140042996 - Voltage regulating device: A voltage regulating device includes a power supply adapter, a voltage and current signal processing module, a control module, and a voltage regulating module. The power supply adapter supplies voltage to an electronic device. The voltage and current signal processing module detects the current and voltage supplied by the power... Agent: Minwa Energy Auto Switch Technology Company Limited
20140042998 - Dc-dc converter: A DC-DC converter includes a high-side circuit supplied with a power supply voltage and a first internal reference voltage generated by a first regulator. The high-side circuit provides a current to an inductor, which is used for generating an output voltage. The first and second regulators each generate respective internal... Agent: Kabushiki Kaisha Toshiba
20140042999 - Switched mode assisted linear regulator with ac coupling with capacitive charge control: The disclosed switched mode assisted linear (SMAL) amplifier/regulator architecture may be configured as a SMAL regulator to supply power to a dynamic load, such as an RF power amplifier. Embodiments of a SMAL regulator include configurations in which a linear amplifier and a switched mode converter (switcher) parallel coupled at... Agent: Texas Instruments Incorporated
20140043000 - Current controller having programmable current-control parameters and hardware-implemented support functions: A current-control profile may be built from a sequence of phases in which the current is controlled in a defined manner. The electrical behavior of these phases may be configured within a list, which contains one entry, or slot, for each phase and which may be stored in a memory... Agent: Continental Automotive Systems, Inc.
20140043001 - Apparatus for impedance matching: An apparatus (1) for the impedance matching of an electrical load (2) to a generator (3) has input connections (6a, 6b) for connection to the generator (3) and output connections (7a, 7b) for connection to the load (2). The apparatus (1) has a converter (9) which connects the input connections... Agent: Albert-ludwigs-universitÄ T Freiburg
20140043002 - Control circuit with deep burst mode for power converter: A control circuit with deep burst mode for power converter according to the present invention comprises a load detection circuit and a PWM circuit. The load detection circuit generates a switching control signal in response to a feedback signal. The feedback signal is correlated to a load condition of the... Agent: System General Corp.
20140043003 - Radio frequency identification devices: Radio frequency identification (RFID) devices are provided including a contactless internal voltage generator configured to generate a rectification voltage responsive to a radio frequency (RF) input signal and an internal voltage responsive to the generated rectification voltage and a reference voltage; a clock generator configured to sense an amount of... Agent: Samsung Electronics Co., Ltd.
20140043004 - Synchronous dc-dc conversion: A synchronous DC-DC converter (300) for converting an input voltage (Vin) into an output voltage (Vout), the converter having a continuous current operative mode (CCM) and a discontinuous current operative mode (DCM), the converter including: an active switch (302) receiving a first gate signal for turning on the active switch... Agent:
20140043005 - Dc-dc converter and control method for the same: A DC-DC converter according to the present invention includes a power supply control circuit-that generates pulse signals, an output transistor that is controlled to be turned on and off based on the pulse signal, a rectification transistor-that is controlled to be turned on and of based on a control signal,... Agent: Renesas Electronics Corporation
20140043006 - Power supply systems and methods: Aspects include power supply systems. An error amplifier can generate an error voltage based on feedback associated with an output voltage to a reference voltage. A PWM generator can generate a PWM signal based on the error voltage. A power stage can generate the output voltage based on the PWM... Agent: Northrop Grumman Systems Corporation
20140043007 - Power supply apparatus and method, and user equipment: Embodiments of the present invention provide a power supply apparatus and method, and a user equipment. In the embodiments of the present invention, charging protection for the battery electric core and a bypass function for the voltage boost circuit can be implemented through control that is performed on the switch... Agent: Huawei Device Co., Ltd.
20140043008 - Methods and apparatus for dynamic voltage transition: Methods and apparatus for power regulation according to various aspects of the present invention may operate in conjunction with producing a voltage ramp starting at a first voltage and ending at a second voltage and compensating the voltage ramp according to a compensation parameter. The compensation parameter may be adapted... Agent: Infineon Inc.
20140043010 - Recursive dc-dc converter: In general, in one aspect, a direct-current to direct-current (DC-DC) converter that receive one or more of input voltages and generates one or more of output voltages. The DC-DC converter is capable of operating at one of a plurality of voltage conversion ratios and selection of the one of a... Agent:
20140043009 - Semiconductor integrated circuit and power supply circuit: A semiconductor integrated circuit that includes: a capacitive element that has a first end connected to a first node and a second end connected to a second node of higher electrical potential than the first node; and a semiconductor element that has a source electrode, a drain electrode and a... Agent: Fujitsu Limited02/06/2014 > 14 patent applications in 8 patent subcategories.
20140035541 - Control circuit, control method used in pfc circuit and power source system thereof: A control circuit, control method used in a PFC circuit and the power source system thereof are disclosed herein. The control circuit comprises: a zero current detection circuit having a polarity detection circuit for outputting a first and a second digital signals and a signal conversion circuit for generating an... Agent: Delta Electronics, Inc.
20140035544 - Hysteretic control conversion circuit and power supply system: The invention discloses a hysteretic control conversion circuit. The circuit includes a PMOS transistor and an NMOS transistor that are connected in series between a voltage input terminal and a ground terminal, a first voltage divider resistor string connected in series between a voltage output terminal and the ground terminal,... Agent: Huawei Technologies Co., Ltd.
20140035542 - Non-linear pwm controller: A switching power supply includes a circuit having at least two reactive components to provide an output voltage and capable of being switched from a first output state to a second output state. A switching component switches the circuit between at least two switching states including the first output state... Agent: Maxim Integrated Products, Inc,
20140035543 - Phase doubling for switching power supply: A switching power supply control system may include logic to generate a greater number of second switching control signals in response to a first number of original switching control signals. For example, the logic may increase the number of phases that may be controlled by an existing switching power supply... Agent: Analog Devices, Inc.
20140035545 - High unity gain bandwidth voltage regulation for integrated circuits: An integrated circuit voltage regulator uses a simple CMOS structure to implement a High Unity Gain BandWidth voltage regulator providing for low voltage ripple at the output of the regulator up to high frequencies in the hundreds of MHz range. A transconductor first stage is followed by an impedance cancellation... Agent: Entropic Communications, Inc.
20140035547 - Method for controlling a multiphase interleaving converter and corresponding controller: A method is provided for controlling a converter of the multiphase interleaving type. According to the method, there is detected when a change of the load applied to an output terminal of the converter occurs. All the phases of the converter are simultaneously turned off, and a driving interleaving phase... Agent: Stmicroelectronics S.r.1.
20140035546 - Simulating power supply inductor current: One embodiment described herein provides a circuit to approximate the inductor current of a power supply that includes a capacitor; charge/discharge circuitry configured to charge the capacitor with a voltage that is proportional to an input voltage rail of the power supply, and discharge the capacitor with a voltage that... Agent: Fairchild Semiconductor Corporation
20140035548 - Noise resistant regulator: A converter for supplying a regulated voltage from an input to a load is disclosed. The converter supplies a regulated DC voltage from an input to a load using a power switch driven by a gate driver. It also includes a control loop for carrying a load condition signal and... Agent:
20140035552 - Apparatus for pwm gate drive circuit: a PWM input port coupled to a PWM controller, wherein the PWM controller is selected from the group consisting of a first PWM controller having two complementary PWM outputs, a second PWM controller having a tri-state PWM output and a third PWM controller having a single PWM output.... Agent:
20140035549 - Multi-standard, automatic impedance controlled driver with supply regulation: A pre-driver circuit generates a driver bias signal based on a swing command, a driver impedance characteristic, and an input signal. A driver receives the driver bias signal and generates, in response, a driver signal having a swing and having an output impedance corresponding to the bias signal. Optionally, the... Agent: Qualcomm Incorporated
20140035551 - Semiconductor device and power supply device: The present invention realized miniaturization of a power supply device using a multiphase system. The power supply device includes, for example, a common control unit, a plurality of PWM-equipped drive units, and a plurality of inductors. The common control unit outputs clock signals respectively different in phase to the PWM-equipped... Agent: Renesas Electronics Corporation
20140035550 - Voltage regulator circuit: A voltage regulator circuit includes a plurality of transistors and a control circuit. Each transistor has two source/drain terminal and a gate terminal. One source/drain terminal of each transistor is electrically coupled to a source voltage, and the other source/drain terminals of the transistors are electrically coupled to each other... Agent:
20140035553 - Voltage reference circuit with temperature compensation: A voltage reference circuit with temperature compensation includes a power supply, a first reference voltage supply, a first PMOS transistor, a second PMOS transistor, a first NMOS transistor, a second NMOS transistor, a resistor connected to the second NMOS source and ground. The voltage reference circuit also includes a second... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.
20140035554 - Driving circuit and driving method: A driving circuit includes a first driving module, configured to operate at a first operating voltage in a first mode and configured to be deactivated in a second mode; and a second driving module, wherein at least part of the second driving module operates at a protection voltage in the... Agent:Previous industry: Electricity: single generator systems
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