Electricity: power supply or regulation systems patents - Monitor Patents
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Electricity: power supply or regulation systems

Below 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.
  
07/10/2014 > 12 patent applications in 7 patent subcategories.

20140191734 - Circuit control system and method for dynamically adjusting voltage and frequency: Provided are a circuit control system and method for dynamically adjusting voltage and frequency. The circuit control system herein includes: a lookup table module configured to store a combined table of voltage-frequency corresponding relation curves of a target circuit under one or more working conditions; a converting module configured to... Agent: All Winner Technology Co., Ltd.

20140191736 - Active transient response for dc-dc converters: A first power transistor of a DC-DC converter is connected between a voltage supply node and a common node, a second power transistor is connected between a reference node and the common node, and an inductor is connected between the common node and the output node of the DC-DC converter.... Agent: Infineon Technologies North America Corp.

20140191735 - Digital duty cycle controller for a switching mode power supply: Disclosed are methods, devices, and systems to digitally control a duty cycle of a switching mode power supply. In one embodiment, a method comprises calculating a base duty cycle using a power management unit of a high-speed processing unit, calculating a dynamic offset duty cycle using the power management unit... Agent:

20140191737 - Power-supply apparatus: A power-supply apparatus according to an aspect includes an inductor, a transistor that supplies, in an on-state, a current to the input side of the inductor, a second transistor that becomes, when the first transistor is in an off-state, an on-state and thereby brings the input side of the inductor... Agent: Renesas Electronics Corporation

20140191738 - Sensing a phase-path current in a coupled-inductor power supply: An embodiment of a power supply includes an output node, inductively coupled phase paths, and a sensor circuit. The output node is configured to provide a regulated output signal, and the inductively coupled phase paths are each configured to provide a respective phase current to the output node. And the... Agent: Intersil Americas LLC

20140191739 - Low drop-out regulator: Exemplary embodiments disclose a low drop-out regulator including an error amplification unit which includes a zero compensation circuit configured to compensate a plurality of poles which are generated by an output terminal and a buffer, the error amplification unit is configured to generate a first comparison signal in response to... Agent: Samsung Electronics Co., Ltd.

20140191743 - Current mode control arrangement and method thereof: Control circuitry for providing a control signal in a pulse width modulating regulating power converter wherein an output parameter delivered by the converter is regulated by pulse width modulation of current within the converter, including circuitry for receiving a sensed output parameter of the converter; circuitry for deriving therefrom an... Agent: Texas Instruments Incorporated

20140191741 - Low current dc-dc converter with integrated low current coulomb counter: A power supply system includes a regulator circuit responsive to an input signal at the input node for producing an output signal at the output node at a desired level. The regulator circuit has a controller, an inductive element and a first switch coupled to the inductor element and controlled... Agent: Linear Technology Corporation

20140191740 - Voltage converting led circuit with switched capacitor network: A Voltage Converting LED Circuit with Switched Capacitor Network contains a 2-way MOSFET switch that connects a capacitor network to the output of an error amplifier, thereby enabling the error amplifier to resume operation quickly after the off-time segment of a PWM cycle. The switch is controlled synchronously with current... Agent: Advanced Analogic Technologies, Inc.

20140191742 - Voltage regulator, and control circuit and control method thereof: The present invention discloses a method for controlling a voltage regulator, including steps of: converting an input voltage to an output voltage and providing an output current; sensing the output current; reducing the output voltage; and when the reduction of the output voltage causes the output current to change, setting... Agent: Richtek Technology Corporation

20140191744 - Switching regulator and comparator-based zero current detection method used by the switching regulator: Provided are a switching regulator and a comparator-based zero current detection method. The switching regulator comprises: a switch configured to connect to a switching node and control an inductor current flowing through the switching node; and a switch controller configured to control a turn-off time of the switch by detecting... Agent: Samsung Electronics Co., Ltd.

20140191745 - Apparatus and method for mitigating perturbations in a power converter: A power converter includes a plurality of switches that interconnect first and second input terminals of the power converter with first and second output terminals of the power converter. The switches are switched to convert power from the input terminals to the output terminals. During the switching, voltage spikes are... Agent: General Electric Company

  
07/03/2014 > 17 patent applications in 13 patent subcategories.

20140184175 - Driving apparatus for driving power factor correction circuit: There is provided a driving apparatus for driving an interleaved power factor correction circuit including a first main switch and a second main switch performing a switching operation with a predetermined phase difference and a first auxiliary switch and a second auxiliary switch forming a transformation path for surplus power... Agent:

20140184176 - Power transmitting apparatus for digitally controlling voltage and current of alternating current signal: A power transmitting apparatus for digitally controlling voltage and current of alternating current (AC) includes an input part, an output part, and a digital control part. The input part has a filtering protection module and a semiconductor switch module connected to the filtering protection module. The filtering protection module has... Agent:

20140184178 - Apparatus for and method of controlling power supply system: There are provided an apparatus for and a method of controlling a power supply system. The apparatus for controlling a power supply system includes an offset correction circuit equally dividing an input voltage into n (n is a natural number larger than 2) and outputting n divided voltages, and a... Agent:

20140184177 - Switching regulators: Apparatus having corresponding methods comprise: a first switching regulator coupled to an output node; a second switching regulator coupled to the output node through a capacitor, wherein the capacitor comprises a first terminal coupled to the output node, and a second terminal coupled to the second switching regulator; and a... Agent: Gazelle Semiconductor, Inc.

20140184179 - Efficient voltage sensing systems and methods: Presented systems and methods can facilitate efficient voltage sensing and regulation. In one embodiment, a presented multiple point voltage sensing system includes Multiple point voltage sensing. Multi-point sensing is the scheme where voltage feedback from Silicon to the voltage regulator is an average from multiple points on the die. In... Agent: Nvidia Corporation

20140184180 - Phase lock loop controlled current mode buck converter: A current mode buck converter has a power stage and a feedback stage. The power stage converts a higher power supply voltage level to a lower output voltage level. The feedback stage is connected with the power stage for controlling the levels of repetitive switching of an output current by... Agent: Dialog Semiconductor Gmbh

20140184181 - Power good signal generation circuit: A power good signal generation circuit includes first and second resistors, a comparator, and first and second electronic switches. A power source is grounded through the first and second resistors. A non-inverting input of the comparator is connected to a power circuit. An inverting input of the comparator is connected... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd.

20140184182 - Constant-voltage circuit: A constant-voltage circuit having an overcurrent protection circuit which includes: a first sense transistor, one main terminal connected to an input terminal of the constant-voltage circuit and a control terminal connected to a control terminal of an output transistor generates a current corresponding to an output current from the output... Agent: Panasonic Corporation

20140184183 - Semiconductor device and electric control device: A semiconductor device includes: an output transistor; and a current detection section. The output transistor controls electric power supply from an electric power source to a load. The current detection section detects a current flowing through the output transistor. The current detection section has a current detection characteristic in which... Agent: Renesas Electronics Corporation

20140184184 - Voltage detecting circuit and voltage regulator apparatus provided with same: A voltage detecting circuit including: a first current source including a first terminal connected to a first voltage input terminal; a second current source including a first terminal connected to ground potential VSS; and a first transistor including a first main terminal connected to a second terminal of the first... Agent: Panasonic Corporation

20140184185 - Electric system comprising a load driving apparatus by auto-recovery mode, and method of operating the apparatus: A driver for an electric load includes a power device having a control terminal and an output terminal for an output current, and a control module. The control module is configured to drive the power device in an auto-recovery mode by switching between activation and deactivation in the occurrence of... Agent: Stmicroelectronics S.r.l.

20140184186 - Method for reducing interwinding capacitance current in an isolation transformer: Systems and methods are disclosed for reducing an interwinding capacitance current in a transformer. In certain embodiments, the transformer includes a coupling winding and a primary winding that encircles a portion of the coupling winding. Additionally, the transformer includes a secondary winding that encircles a portion of the coupling winding.... Agent: General Electric Company

20140184187 - Average current controller, average current control method and buck converter using the average current controller: The present invention relates to an average current controller, an average current control method and a buck converter using the average current controller. The average current controller includes a first comparator for generating a high H signal, a multivibrator for generating a TAVG pulse signal by receiving a high H... Agent:

20140184188 - Power conversion device: In some aspects of the invention, a power conversion device includes a semiconductor switch series circuit configured by connecting semiconductor switches in series, a capacitor series circuit configured by connecting capacitors in series, a reactor L connected between the series connection point of the semiconductor switches and the series connection... Agent: Fuji Electric Co., Ltd

20140184189 - Inductively assisted switched capacitor dc-dc converter: In general, in one aspect, a direct-current to direct-current (DC-DC) converter adapted for converting a plurality of input voltages to a plurality of output voltages, comprising: a plurality of capacitors, a plurality of inductors, and a plurality of switches, and said switches interconnect said capacitors creating a switched capacitor circuit... Agent:

20140184190 - Ac to ac converter and method of operation thereof for soft starting motors and other applications: A load control device includes an input and an output connectable to an AC source and an AC load, respectively, with one or more supply lines each corresponding to a phase in the load connecting the input and output. Line-side switches are connected between a line terminal and load terminal,... Agent: Eaton Corporation

20140184191 - System and device for reducing standby power consumption: The invention provides a system and a device for reducing standby power consumption. The system for reducing standby power consumption, comprises a power regulator, a power detecting circuit and a HIC module, and the HIC module is controlled by a MCU to efficiently reduce standby power consumption.... Agent:

  
06/26/2014 > 27 patent applications in 17 patent subcategories.

20140176088 - Distribution transformer power flow controller: A distribution transformer power flow controller apparatus includes at least one external source terminal configured to be coupled to a distribution transformer, at least one external load terminal configured to be coupled to a load, and a converter circuit configured to be coupled between the at least one external source... Agent: Gridbridge

20140176089 - Phase shift circuit and power factor correction circuit including the same: There are provided a phase shift circuit and a power factor correction circuit including the same. The phase shift circuit includes a ramp generation unit charging or discharging a capacitor connected to a switch device to generate a ramp signal, a reference signal generation unit generating a predetermined reference signal... Agent: Samsung Electro-mechanics Co., Ltd.

20140176090 - Voltage regulation system and method: A method for regulating a power line voltage includes determining a slow voltage variation by filtering an actual voltage at terminals of the voltage regulation apparatus. A fast active power variation is determined by filtering a measured active power of the DG system; wherein a first frequency of the slow... Agent: General Electric Company

20140176091 - Dc-dc controller and control method thereof: A DC-DC controller and a control method thereof are provided. The DC-DC controller is coupled to an output stage. The output stage receives an input voltage and provides an output voltage. The DC-DC controller includes a transient boost circuit, a ramp oscillator, a combination logic circuit, a first comparator and... Agent: Upi Semiconductor Corp.

20140176092 - Measuring arrangement for determining a measured variable and method for generating an output signal relating to the measured variable: A method for generating an output signal and measuring arrangement for determining at least one measured variable use at least one sensor device (2) and at least one signal output (3) for outputting at least one output signal, wherein the output signal transmits information about the measured variable and/or a... Agent: Krohne Messtechnik Gmbh

20140176093 - Semiconductor integrated circuit and method for operating the same: A switching loss is reduced by reducing a deviation from the operational principle of zero-volt switching (ZVS). A semiconductor integrated circuit includes high-side switch elements Q11 and Q12, a low-side switch element Q2, and a controller CNT. A decoupling capacitance Cin is coupled between one end of a high-side element... Agent: Renesas Electronics Corporation

20140176094 - Dc/dc module of lcd driving circuit: The present invention provides a DC/DC module of a LCD driving circuit. The DC/DC module comprises a buck-boost circuit, which is used to convert the input voltage of the DC/DC module into a gate off-state voltage VGL; a LDO circuit, which is connected in series to the buck-boost circuit, used... Agent: Shenzhen China Star Optoelectronics Technology Co. Ltd.

20140176095 - Method and apparatus for controlling programmable power converter: The present invention provides a circuit for controlling a programmable power converter. The circuit includes a micro-controller, a controller, and a timer. The controller includes a voltage error amplifier. The micro-controller has a program memory and a data memory. The controller generates switching signals in response to a voltage-feedback signal... Agent: System General Corporation

20140176096 - Semiconductor device and power supply system including the same: In a semiconductor device, a resistance divider includes a first resistor connecting a supply line to an output node of an analog control signal, a second resistor connecting an output node to ground, a first switching device that is turned on or off by a control circuit, and a second... Agent: Panasonic Corporation

20140176097 - Multi-phase dc-dc power converter: A multi-phase DC-DC power converter is provided, which includes a pulse width modulation (PWM) controller and a plurality of output stage circuits. The plurality of output stage circuits converts an input voltage into an output voltage. The PWM controller includes a feedback circuit and a PWM generation module. The feedback... Agent: Upi Semiconductor Corp.

20140176098 - Feed-forward compensation for low-dropout voltage regulator: A voltage regulator includes a pass element having a control input coupled to a control node and operable to generate an output voltage at an output node, a negative feedback amplifier operable to receive a reference voltage and the output voltage and generate a signal at the control node based... Agent: Advanced Micro Devices, Inc.

20140176099 - Voltage supply device: There is provided a voltage supply device, including an inputting unit obtaining a reference voltage; an operational amplifier obtaining switching information based on the reference voltage and a feedback voltage, a switching unit outputting an input voltage as the feedback voltage based on the switching information from the operational amplifier,... Agent: Samsung Electro-mechanics Co., Ltd.

20140176100 - Matrix converter and method for controlling matrix converter: A matrix converter according to one aspect of an embodiment includes a plurality of bidirectional switches and a controller. The bidirectional switches connect each phase of an alternating current (AC) power supply with each phase of the rotary electric machine. The controller performs power conversion control between the AC power... Agent: Kabushiki Kaisha Yaskawa Denki

20140176103 - Control method and control apparatus: A control method and a control apparatus are provided. The control method and apparatus are applied to a BUCK-BOOST topology. The method specifically is, processing an output signal of a topology to obtain a pulse width modulation signal, performing an OR operation between the pulse width modulation signal and a... Agent: Huawei Technologies Co., Ltd.

20140176101 - Internal voltage generation circuits: An internal voltage generation circuit utilizing dual comparison signal generators and dual drivers to drive the internal voltage to a selected level. The second driver is responsive to a control signal derived from both of the comparison signal generators. The internal voltage generation circuit overcomes a problem with prior art... Agent: Sk Hynix Inc.

20140176102 - Mixed mode compensation circuit: A mixed mode compensation circuit for a power converter generate a digital signal according to a reference signal and a feedback signal which is related to the output voltage of the power converter, convert the digital signal into a first analog signal, offset the first analog signal with a variable... Agent: Richtek Technology Corporation

20140176104 - Buck volatge converting apparatus: A buck voltage converting apparatus is disclosed. The buck voltage converting apparatus includes a first transistor, a second transistor, an inductor, a controller and a switch. The first transistor receives an input voltage. A first terminal of the inductor is coupled to the first and second transistors. A second terminal... Agent: Excelliance Mos Corporation

20140176105 - Electronic control device including voltage converter: An electronic control device includes a turn-on restriction section capable of performing a restriction operation to restrict a turn-on speed of a switching element. The turn-on restriction section includes a comparator. The comparator receives a voltage of a main terminal of the switching element connected to a smoothing circuit and... Agent: Denso Corporation

20140176107 - Fast response control circuit and control method thereof: In one embodiment, a control circuit configured to control a switch mode power supply, can include: (i) a compensation signal generating circuit configured to generate a compensation signal according to an error between an output voltage feedback signal and a first reference voltage of the switch mode power supply; (ii)... Agent: Silergy Semiconductor Technology (hanghou) Ltd

20140176106 - System and method for adaptive current limit of a switching regulator: An adaptive current limiter including a conversion network and an amplifier network developing an adaptive current limit signal for use by a switching regulator to limit peak current through an inductor of the switching regulator. The switching regulator develops a pulse control signal for controlling switching of current through the... Agent: Touchstone Semiconductor, Inc.

20140176108 - Maximum power extraction device: Provided is a maximum power extraction devices including: a battery; a voltage control unit adjusting a size of a first power outputted from the battery according to a resistor selected from a plurality of resistors, and generating a compare signal according to a size difference between an operating voltage adjusting... Agent: Electronics And Telecommunications Research Institute

20140176109 - Solar power supply device: A solar power supply device includes a solar panel converting solar energy to electrical power with a DC voltage, a voltage convertor connected to the solar panel, a control unit, and a PWM signal processing unit. The voltage convertor converts the DC voltage to a power voltage to power the... Agent: Hon Hai Precision Industry Co., Ltd.

20140176110 - Output driver having reduced electromagnetic susceptibility and associated methods: An electronic circuit includes a driver circuit having an output terminal that can be coupled to a load to drive the load. A control circuit may be coupled to the driver circuit for controlling the driver circuit. A transistor may be coupled in series between the driver circuit and the... Agent:

20140176111 - Voltage control circuit with temperature compensation function: There is provided a voltage control circuit that is applicable to a LED device, a power supply or the like. The voltage control circuit includes: a voltage dividing unit dividing a supply voltage into a first voltage and a second voltage different from each other; a shunt regulator adjusting the... Agent: Samsung Electro-mechanics Co., Ltd.

20140176113 - Circuit for outputting reference voltage: A circuit for outputting reference voltage includes: a detecting unit, a feedback unit and an output unit which are respectively connected with an external power source, wherein a plurality of field effect transistors (FETs) are provided in the detecting unit, wherein the detecting unit is for detecting foundry corners of... Agent: Ipgoal Microelectronics (sichuan) Co., Ltd.

20140176112 - Low voltage bandgap reference circuit: A low voltage bandgap reference circuit includes a positive temperature coefficient circuit unit, a negative temperature coefficient circuit unit and a load unit, wherein the positive temperature coefficient circuit unit comprises a first differential operational amplifier, a first, second and third transistor, a first resistor, a first and second diode,... Agent: Integrated Circuit Solution Inc.

20140176114 - Time sequence circuit for power supply unit: A time sequence circuit for a power supply unit includes first through tenth resistors, first and second electronic switches, first through fourth diodes, and a capacitor. Each of the first and second electronic switches includes first through third terminals. When the power supply unit outputs all voltages, the power supply... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd.

  
06/19/2014 > 20 patent applications in 10 patent subcategories.

20140167709 - Method for controlling a cycloconverter, electronic control device therefor, cycloconverter, and computer program: A cycloconverter has six converter branches connected in series, and said converter branches have energy stores. A method for controlling the cycloconverter connecting a first three-line network to a second three-line network includes controlling the converter operation by controlling energy transfer from the first three-line network to the second three-line... Agent: Siemens Aktiengesellschaft

20140167710 - Dc/dc converter with shunt circuitry: The present disclosure provides, in one embodiment, a method of shunting a power supply to reduce output ripple. The method includes determining at least one performance parameter of a DC/DC converter circuit; generating a first reference signal, wherein the first reference signal is based on the performance parameter; comparing the... Agent: Fairchild Semiconductor Corporation

20140167712 - Method and apparatus for controlling converter in full cell vehicle: A method and apparatus for controlling a converter of a fuel cell vehicle that uses a power control value generated based on an inverter DC terminal voltage as a reference value, and generates a current reference signal based on the reference value is provided. More specifically, the method and apparatus... Agent: Hyundai Motor Company

20140167711 - Method and apparatus of current balancing for multiple phase power converter: In some embodiments described herein, proposed schemes utilize a duty-cycle sensing technique to detect load current imbalance in each individual inductor, and then adjusts the duty cycles for the specific phases through a digital duty cycle tuner.... Agent:

20140167713 - Regulator and voltage generator: A regulator includes an input voltage adjusting unit configured to adjust a pumping voltage in response to a control signal varied depending on a target voltage and output the adjusted pumping voltage and a regulation unit configured to output the target voltage by regulating the adjusted pumping voltage. The regulator... Agent: Sk Hynix Inc.

20140167714 - Soft-start circuits and power suppliers using the same: A soft-start circuit is provided. The soft-start circuit generates an output voltage at an output terminal. The soft-start includes a transistor, a capacitor, and a current source. The transistor has a first terminal receiving an input voltage, a second terminal coupled to the output terminal, and a control terminal. The... Agent: Via Technologies, Inc.

20140167716 - Dc-dc converter, timing signal generating circuit, and operating method thereof: s

20140167715 - Power converter for generating both positive and negative output signals: A power converting system is responsive to an input signal to produce an output signal regulated with respect to the input signal. The power converting system has an input node for receiving the input signal, an output node for producing the output signal, and first and second inductive elements. The... Agent: Linear Technology Corporation

20140167717 - Dc/dc converter and display device including the same: The present invention is directed to sufficiently reduce the level of EMI which occurs from a switching FET in a DC/DC converter and minimize deterioration in efficiency of a power supply. A DC/DC converter includes a switching circuit for driving a switching FET for increasing or decreasing voltage, and a... Agent: Nlt Technologies, Ltd.

20140167720 - Power control device with snubber circuit: An energy-efficient power control device, which employs a snubber circuit only during the risk of voltage spikes during fast switching, includes a buck converter, a power supply unit (PSU), a peak detecting circuit, a snubber circuit, and a logic circuit. The power control device supplies power to an input terminal... Agent: Hon Hai Precision Industry Co., Ltd.

20140167721 - Power supply device: A power supply device includes: a first transistor that switches a first current flowing between a first terminal and a second terminal of the first transistor; a second transistor that has a first terminal connected to the first terminal of the first transistor and a control terminal connected to a... Agent: Fujitsu Semiconductor Limited

20140167722 - Synchronous dc-dc converter: Disclosed is a synchronous DC-DC converter including: a clock signal generator which generates a clock signal; a gate driving part which is connected to the clock signal generator and outputs a first delay clock signal and a second delay clock signal with respect to the clock signal; a switching part... Agent: Hideep Inc

20140167719 - Voltage generation circuit: A voltage generation circuit is provided, which includes a pumping unit generating a high voltage and a voltage regulation unit controlling the pumping unit to generate a target voltage in a first mode and controlling the pumping unit to generate a reserve voltage and generating the target voltage through down... Agent: Sk Hynix Inc.

20140167718 - Voltage generator: A voltage generator is disclosed. The voltage generator includes an operational amplifier, an offset voltage tuner, and an output stage circuit. The operational amplifier receives an input voltage and adjusts an offset voltage of the operating amplifier according to a control signal. The offset voltage tuner provides the control signal.... Agent: Issc Technologies Corp.

20140167723 - Switching regulator: A switching regulator includes a lower gate switch and a transient help module. The lower gate switch is utilized for turning on and turning off according to a lower gate control signal. The transient help module includes a load detecting unit, for outputting a detecting signal according to a variation... Agent: Anpec Electronics Corporation

20140167725 - Current control circuit and method: The invention provides a current control circuit and a current control method. The current control circuit controls a current supplied to a current-controlled device according to a conduction control signal. The current control circuit includes: a conduction control switch coupled to the current-controlled device, for determining whether to conduct the... Agent: Richtek Technology Corporation

20140167726 - Energy storage arrangement and alternating load consumer: An energy storage arrangement for an electric load which exchanges electrical power with an energy supply network, has two connections in the form of a load to the parallel circuit and for the energy supply network, a converter which is switched between the connections, is voltage-impressed and contains an energy... Agent:

20140167727 - Power control system: A power control system includes a first switch configured to receive electrical power from a power source and selectably provide the electrical power to a load. A current limiter is intermediate the first switch and the load. A second switch is also configured to receive electrical power from the power... Agent: Solidstate Controls, LLC

20140167724 - Self-powered source driving circuit and switching power supply thereof: In one embodiment, a source driving circuit configured for a switching power circuit, can include: (i) a source transistor coupled between a source of a main power transistor and ground, where the source transistor can be controlled by a PWM control signal; (ii) the main power transistor being on when... Agent: Silergy Semiconductor Technology (hangzhou) Ltd

20140167728 - Multiple-level power control system: A multiple-level power control system is provided, which includes a power state controller, an electric power device, and a multi-level power driver. The power state controller outputs a phase-notch pattern. The multi-level power driver drives the electric power device at one of a plurality of power levels, decodes the phase-notch... Agent: Greenmark Technology Inc.

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