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.
04/10/2014 > 18 patent applications in 11 patent subcategories.

20140097806 - Apparatus and method for improving power factor: An apparatus, a method, and a computer program product are provided. The apparatus determines an input voltage and an input current of a power system driving a low power factor load, the input voltage varying based on a power cycle, determines at least a first portion of the power cycle... Agent: Qualcomm Incorporated

20140097807 - Methods and systems for mitigation of intermittent generation impact on electrical power systems: Methods and systems for mitigation of intermittent generation impact on electrical power system may be provided. A voltage of the power line may be monitored. A change in the voltage of the power line may be determined. A power output of an energy generation source connected to the power line... Agent: Petra Solar, Inc.

20140097808 - Digital controller based detection methods for adaptive mixed conduction mode power factor correction circuit: Methods and apparatus for zero current detection and discontinuous conduction mode digital detection for a boost power factor correction converter based on a digital signal processor are disclosed. By effectively using resources in a processor with integrated high-speed comparators, simple detection can be accomplished with cost and performance over alternative... Agent: Delta-q Technologies Corp.

20140097809 - Reactive power compensator: A reactive power compensator for a three-phase network having first, second and third phases includes an assembly of capacitors and electromechanical contactors electrically connected to the capacitors. Each contactor includes at least one upstream and one downstream power terminal. An electric current circulates between the upstream and downstream power terminals... Agent: Schneider Electric Industries Sas

20140097810 - Systems and methods of tone management in hysteretic mode dc to dc converter: As disclosed herein, two hysteresis levels, a high level a low level, may be used to set a period (and the switching frequency) of the output voltage of a DC-DC converter, as well as the output ripple of the converter. These two thresholds may be changed using a set of... Agent: Texas Instruments Incorporated

20140097812 - Apparatus and method for age-compensating control for a power converter: In at least one embodiment, an apparatus for providing age-compensation control for a power converter is provided. The apparatus comprises a controller for being coupled to a power converter including a plurality of phases for converting a first input signal into a first output signal. The controller is configured to... Agent: Lear Corporation

20140097811 - Current-limit system and method: A current-limit system for limiting an average current of an output signal of a DC-DC converter includes a current sensing device, coupled to the DC-DC converter, for detecting the average current of the output signal of the DC-DC converter; and a current-to-voltage converting module, coupled to the current sensing device,... Agent: Anpec Electronics Corporation

20140097813 - Current parking response to transient load demands: Embodiments are disclosed relating to an electric power conversion device and methods for controlling the operation thereof. One disclosed embodiment provides an electric power conversion device comprising a first current control mechanism coupled to an electric power source and an upstream end of an inductor, where the first current control... Agent: Nvidia Corporation

20140097814 - System and method for input voltage regulation of switch mode supplies implementing burst mode operation: Switching regulator methods and systems are provided for supplying output current at a regulated voltage level to a load. Upon determining that the output current is not below a predetermined current threshold, the regulator is operated in a continuous mode. The input voltage is monitored. If the input voltage is... Agent: Linear Technology Corporation

20140097816 - Calibration circuit for voltage regulator: A voltage regulator calibration circuit including a voltage regulator and a calibration unit is provided. The voltage regulator regulates an output voltage according to a reference voltage and a feedback voltage. The feedback voltage is in direct proportion to the output voltage. The calibration unit is coupled to the voltage... Agent:

20140097817 - Monitoring method with function of correlation-based system identification: A monitoring method with a function of correlation-based system identification applicable for a digitally controlled DC-DC converter system is revealed. The monitoring method includes a plurality of steps. After the system is operated in a steady state, input a pseudo random binary sequence signal into the system via a pseudo... Agent: National Cheng Kung University

20140097820 - Output voltage controller, electronic device, and output voltage control method: An output voltage controller includes a first controller which controls current supply to a inductor based on an output voltage, and a second controller which controls current supply to the inductor by controlling a period when an input end to which an input voltage is inputted, the inductor, and an... Agent: Spansion LLC

20140097819 - Power supply apparatus, power supply system and power supply method: A power supply apparatus comprises a driver, an oscillator, a digital control circuit and a counter. The driver is connected to a power source voltage and performs an ON/OFF operation of supplying power to a load. The oscillator outputs an oscillator signal every constant period. The digital control circuit performs... Agent: Rohm Co., Ltd.

20140097815 - Powering down switching regulator using a ramped reference voltage: Circuits and related methods for energy efficient battery supplied switching DC-to-DC regulators are disclosed. When entering a power-down state the energy in an output capacitor is harvested and charged back to the battery. This is achieved by ramping-down a reference voltage after a power-down sequence is initiated. The output voltage... Agent: Dialog Semiconductor Gmbh

20140097818 - Pwm control apparatus for average output current balancing in multi-stage dc-dc converters: Pulse width modulation controller apparatus and techniques are presented for balancing output currents of DC-DC converter stages in a multi-stage DC-DC conversion system in which a reference current is provided according to an input voltage and the value of a connected resistor, and a correction current output signal is generated... Agent: Texas Instruments Incorporated

20140097821 - Control device for dc-dc converter and control method controlling the same: A control device for a DC-DC converter, which receives an input power and generates an output voltage, includes a first error amplifier for comparing a reference voltage signal and the output voltage to generate a feedback signal, a sampling and holding control circuit coupled to the first error amplifier for... Agent: National Taiwan University

20140097822 - Power supply and startup circuit thereof: A power supply and its startup circuit are provided. The startup circuit includes a first transistor, a bias resistor, a pull-down switch, a voltage detector, and a discharging path generator. A first end of the first transistor receives alternating current (AC) input power. The bias resistor is serially coupled between... Agent: Excelliance Mos Corporation

20140097823 - Artificial ramp generating in pwm modulator for current control mode: Circuits and related methods for artificial ramp generation for pulse-width modulators (PWM) for current control mode switch mode power supplies (SMPS).are disclosed. The artificial ramp generation is separated from a current sensing part and allows easy trimming of both paths. Artificial ramp is generated as a voltage on a capacitor... Agent: Dialog Semiconductor Gmbh

04/03/2014 > 8 patent applications in 6 patent subcategories.

20140091774 - Spread-spectrum switching regulator for eliminating modulation ripple: A spread-spectrum switching regulator for eliminating modulation ripple includes high gain amplifier that is responsive to reference voltage and feedback voltage of feedback loop to generate differential voltage, the feedback voltage being one of output voltage of the spread-spectrum switching regulator and a fraction of the output voltage; compensation circuit,... Agent: Cirel Systems Private Limited

20140091773 - System and method for generating a regulated boosted voltage using a controlled variable number of charge pump circuits: A system, method, and computer program product for generating a regulated boosted load voltage. A comparator may use reduced versions of a reference voltage, a supply voltage, and a fed-back output load voltage to determine whether the output load voltage requires adjustment. If so, a controller may responsively vary the... Agent: Analog Devices, Inc.

20140091775 - Two-stage low-dropout linear power supply systems and methods: Aspects of the present invention include a low-dropout (LDO) linear power supply system. The system includes a pass-element configured to generate an output voltage at an output based on an input voltage. The system also includes a compensation amplifier stage coupled to the output and configured to provide frequency compensation... Agent: Northrop Grumman Systems Corporation

20140091776 - Voltage regulator: Provided is a voltage regulator capable of suppressing an overshoot with low current consumption. A comparator of an overshoot detection circuit is activated only when a power supply fluctuation occurs, and the comparator outputs a signal for reducing an overshoot occurring in an output voltage. In a steady state, the... Agent: Seiko Instruments Inc.

20140091777 - Voltage regulator: A voltage regulator permits reduced current consumption by promptly and timely stopping the operation of an inrush current protection circuit immediately after the voltage regulator is started up. The voltage regulator has an output voltage detection circuit, which issues a detection signal to actuate the inrush current protection circuit when... Agent: Seiko Instruments Inc.

20140091778 - Constant time controller and controlling method for a switching regulator: In one embodiment, a controlling method for a switching regulator, can include: (i) detecting an output voltage and an inductor current of the switching regulator; (ii) determining if there is a transient change on a load of the switching regulator by using the output voltage and a first reference voltage;... Agent:

20140091779 - Semiconductor device: A semiconductor device includes a reference voltage generation circuit to which a power source voltage is applied; an output terminal for outputting an output voltage; a determining circuit connected to the reference voltage generation circuit and the output terminal for generating the output voltage according to a determination target voltage;... Agent: Lapis Semiconductor Co., Ltd.

20140091780 - Reference voltage generator: A reference voltage generator including a reference voltage generating unit is provided. The reference voltage generating unit receives a first bias voltage current and a first mirror current and generates a reference voltage. The reference voltage generating unit includes a first metal-oxide-semiconductor (MOS) transistor, a second MOS transistor, a first... Agent:

03/27/2014 > 24 patent applications in 13 patent subcategories.

20140084877 - Compensation system for medium or high voltage applications: A compensating system for a power system includes a compensator including semiconductor switch means, which compensator has phase legs which on a first side of the compensator defines AC inputs for connection to a respective phase of the power system. The phase legs are connected in wye connection at a... Agent:

20140084878 - Power supply switching circuit: Provided is a power supply switching circuit capable of suppressing a load fluctuation such as undershoot that occurs at an output terminal at the time of power supply switching. The power supply switching circuit includes: a battery connected to the output terminal; a replica current generation circuit for generating a... Agent: Seiko Instruments Inc.

20140084880 - Dc-dc converter incorporating trim cell: A novel and useful radio frequency (RF) front end module (FEM) circuit that provides high linearity and power efficiency and meets the requirements of modern wireless communication standards such as 802.11 WLAN, 3G and 4G cellular standards, Bluetooth, ZigBee, etc. The configuration of the FEM circuit permits the use of... Agent: Dsp Group, Ltd.

20140084879 - Power supply device: A connection switch control part that, within a voltage change period where an applied voltage to an inverter can be changed by repeatedly and alternately switching to a serial state where a first power supply and a second power supply are connected in series to the inverter and to a... Agent: Honda Motor Co., Ltd.

20140084881 - Low dropout regulator with hysteretic control: Described is an apparatus comprising: an output stage having an input supply node to receive an input power supply and an output node to provide an output supply to a load; an amplifier to control current strength of the output stage according to the output supply and a reference voltage;... Agent:

20140084884 - Lc switching regulators: A switching regulator is used in a circuit having an inductor and one or more switches that control charges applied to the inductor from an input voltage source. The switching regulator has an error amplifier configured to generate an error voltage signal by amplifying a difference between a feedback output... Agent:

20140084882 - Step-up/down type power supply circuit: A first added signal that is acquired by adding a reference current signal that is in proportion to a current flowing through an inductance element, a slope compensation signal and a voltage difference signal that is in proportion to a difference between an input voltage and an output voltage and... Agent: Kabushiki Kaisha Toshiba

20140084885 - Switch mode power supply, control circuit and associated control method: A switch mode power supply having an output terminal configured to provide an output voltage, the switch mode power supply has a first switch and a control circuit. The control circuit is configured to provide a switching control signal to turn ON and turn OFF the first switch, an on-time... Agent: Chengdu Monolithic Power Systems Co., Ltd.

20140084883 - Windowless h-bridge buck-boost switching converter: A “windowless” H-bridge buck-boost switching converter includes a regulation circuit with an error amplifier which produces a ‘comp’ signal, a comparison circuit which compares ‘comp’ with a ‘ramp’ signal, and logic circuitry which receives the comparison circuit output and a mode control signal indicating whether the converter is to operate... Agent: Analog Devices Technology

20140084886 - Converter and method: In accordance with an embodiment, a DC-DC converter is provided comprising a single regulation loop that drives a control circuit, wherein the control circuit selects between operation in a pulse width modulation operating mode and a pulse frequency modulation operating mode, the single regulation loop including a compensation loop, and... Agent:

20140084887 - Dc-dc switching regulator with transconductance boosting: A switching regulator comprising a droop amplifier responsive to a reference voltage and a feedback voltage to generate a droop voltage. The droop amplifier includes a boost circuit configurable to increase a transconductance of the droop amplifier during an upward transition of the reference voltage. The switching regulator further includes... Agent: Texas Instruments Incorporated

20140084888 - Power supply circuit and hysteresis buck converter: A power supply unit converting a DC power supply using an inductor includes a feedback circuit dividing an output voltage being output from a first end of the inductor to convert the output voltage into a first feedback voltage; a differentiator differentiating the first feedback voltage to convert the first... Agent: Samsung Electronics Co., Ltd.

20140084889 - Power supply device with shared inductive elements under switch control: A power supply device is responsive to load changes. The power supply device includes a switch control circuit, a charge control circuit, and a discharge control circuit. The switch control circuit controls switches so that electrical power is charged into an inductor, discharged from the inductor, and distributed to first... Agent: Renesas Electronics Corporation

20140084891 - Dc-dc converter: A DC-DC converter including a Pulse Width Modulation (PWM) controller for converting an input voltage into an output voltage is provided. The PWM controller includes a first comparator, receiving a compensated error signal and a ramp signal, wherein when the compensated error signal exceeds the ramp signal, the first comparator... Agent: Upi Semiconductor Corporation

20140084890 - Output ripple voltage control for a capacitive dc/dc converter: A switching direct current (DC)-to-DC converter includes a charge pump circuit with a flying capacitor (104) and a switching circuit (106). The switching circuit (106) has an ON resistance (Ron) and is configured and arranged to boost an input voltage (Vin) by operating in each of a charging mode (loading)... Agent: Nxp B.v.

20140084892 - Pulse width modulation power converter and control method: In a Pulse Width Modulation power converter and control method, wherein one of the operating modes steady state or load transient is detected. For either of the two operating modes one set of PID coefficients is provided for the control law that controls the duty ratio command. In case a... Agent: Zentrum Mikroelektronik Dresden Ag

20140084894 - Direct current link circuit: A device for converting power from a floating source of DC power to a dual direct current (DC) output, the device includes: positive and negative input terminals connectible to the floating source of DC power; and positive and negative, and ground output terminals connectible to the dual DC output that... Agent: Solaredge Technologies Ltd.

20140084893 - Power supply circuit: Disclosed is a power supply circuit of an electric device. The power supply circuit comprises a power source configured to output a power source voltage; a power source voltage detecting circuit configured to detect the power source voltage, and to output a first voltage control signal; a leading edge delay... Agent: Ricoh Company, Ltd.

20140084897 - Current detection device and buck-boost dc-dc converter using the same: A current detection device for a buck-boost DC-DC converter is disclosed. The current detection device comprises a detecting terminal coupled to two low-side transistors of the buck-boost DC-DC converter, and only one current sensing unit for detecting a current flowing through the detecting terminal, to detect an output current of... Agent: Energy Pass Incorporation

20140084896 - Low power low dropout linear voltage regulator: Embodiments of a linear voltage regulator are described. In one embodiment, the linear voltage regulator includes a PMOS low drop-out (LDO) regulator configured to convert an input voltage to a regulated voltage, a charge pump connected to the PMOS LDO regulator and configured to amplify the regulated voltage into an... Agent: Nxp B.v.

20140084895 - Method for performing refreshing control of a dc-to-dc converter, and associated apparatus: A method for performing refreshing control of a direct current (DC)-to-DC converter includes: monitoring at least one duration of a control signal of a switching unit of the DC-to-DC converter to determine a statistics result, the duration corresponding to a duty cycle of the control signal; and based upon the... Agent: Energy Pass Incorporation

20140084898 - Step down converter: A step down DC converter includes a switch, one end of the switch is coupled to a DC voltage source, and the other end of the switch is coupled to a first inductor and a first diode which serial coupled to the first inductor. The converter further includes an auto... Agent: National Tsing Hua University

20140084899 - Precision reference circuit and related method: In one form, a reference circuit includes a measurement circuit and a determination circuit. The measurement circuit has an output for providing a ratio of a difference in base-to-emitter voltage (VBE) of a bipolar device at different current densities to a VBE of the bipolar device at a first current... Agent:

20140084900 - Low-consumption and high-efficiency energy-scavenging interface, method for operating the energy-scavenging interface, and system comprising the energy-scavenging interface: An energy-scavenging interface receives an input signal from a transducer and supplies an output signal to a load. A switch is connected between the transducer and a reference node, and a diode is connected between the transducer and the load. A control circuit closes the switch for a time interval... Agent: Stmicroelectronics S.r.i.

03/20/2014 > 20 patent applications in 12 patent subcategories.

20140077773 - Voltage balancing circuit: A voltage balancing circuit includes (n−1)-number of voltage stabilization circuits configured between k-th reference nodes of n-number of groups of resistances and k-th output nodes of the n-number of groups of main circuit capacitors respectively where 2≦k≦n. The k-th voltage stabilization circuit is configured in such a manner that the... Agent: Toshiba Schneider Inverter Corporation

20140077775 - Digitally controlled power supply having failure detection function: A digitally controlled power supply of the present invention comprises: a power unit outputting an output voltage, first and second feedback signals; a first A/D converter outputting a digital feedback signal and a first monitoring signal; a second A/D converter outputting a second monitoring signal; a driver outputting the gate... Agent: Fanuc Corporation

20140077774 - Variable switched capacitor dc-dc voltage converter: In a voltage converter, a mode configuration is selected in response to a mode control signal using a switch matrix having two or more mode configurations. Each mode configuration corresponds to one of two or more output signal voltages. The output signal is compared with a reference signal to produce... Agent: Skyworks Solutions, Inc.

20140077776 - Voltage regulator: A voltage regulator is provided that includes a converter including a first switch transistor, a second switch transistor and a capacitor. The converter may receive a direct current (DC) voltage and may provide a voltage to the capacitor. The converter may operate as a buck converter and the converter may... Agent: Intel Corporation

20140077777 - Low dropout regulator: Aspects are directed to low dropout regulation. In accordance with one or more embodiments, an apparatus includes a charge pump that generates an output using a reference voltage, a low dropout (LDO) regulator circuit, current-limit and a voltage-limit circuit. The LDO circuit includes an amplifier powered by the charge pump... Agent: Nxp B.v.

20140077781 - Controller and system including controller: Provided is a controller that is capable of reducing fall in a waveform of a power supply voltage when the power supply voltage supplied to a CPU is reduced. A controller for controlling voltage regulators includes a differential amplifier that outputs a measurement voltage corresponding to a power supply voltage... Agent:

20140077779 - Dc-dc controller: A DC-DC controller is provided. The DC-DC controller is connected to an output stage and a load, and the output stage is connected to the load through an output inductor. The DC-DC controller includes an error amplifier, a pulse width modulation (PWM) generation circuit and a compensation circuit. A first... Agent: Upi Semiconductor Corp.

20140077778 - Trench mosfet having an independent coupled element in a trench: A trench MOSFET is disclosed that includes a semiconductor substrate having a vertically oriented trench containing a gate. The trench MOSFET further includes a source, a drain, and a conductive element. The conductive element, like the gate is contained in the trench, and extends between the gate and a bottom... Agent:

20140077780 - Voltage regulator: According to an embodiment, a voltage regulator having an output transistor, a voltage dividing circuit, an error amplifier, a detection circuit and a phase compensation capacitance circuit is provided. The output transistor has one end to which a power supply voltage is supplied, a control terminal to which a control... Agent:

20140077782 - Semiconductor device including short-circuit protection: A semiconductor device is described that includes a switch to switch a load current path on and off according to an input signal. The device further includes an over-current detector to compare a load current with a threshold and to signal an over-current when the load current reaches or exceeds... Agent: Infineon Technologies Ag

20140077783 - Adjusting apparatus and adjustment method: An adjusting apparatus sets a designated value of a current source circuit to be a predetermined value, and causes discharging of a capacitor to end by switching a switch to a discharging side when the capacitor is not being charged by current output from a switching power source circuit. After... Agent:

20140077786 - Boosting circuit and rfid tag including boosting circuit: One object is to provide a boosting circuit whose boosting efficiency is enhanced. Another object is to provide an RFID tag including a boosting circuit whose boosting efficiency is enhanced. A node corresponding to an output terminal of a unit boosting circuit or a gate electrode of a transistor connected... Agent: Semiconductor Energy Laboratory Co., Ltd.

20140077785 - Method and device for maximum power point tracking of photovoltaic module systems: A method of maximum power point tracking for a photovoltaic module system is disclosed. The photovoltaic module system may comprise a photovoltaic module array comprising a plurality of identical photovoltaic modules, and the tracking method may comprise: detecting system parameters and environmental parameters of the photovoltaic module array; estimating a... Agent: National Taiwan University

20140077784 - Power converter and operating method thereof: A power converter and an operating method therefore are disclosed. The power converter includes an output stage, an input voltage detecting unit, and a pulse width modulation (PWM) unit. The output stage is coupled between an input terminal and a ground terminal. The input voltage detecting unit is used to... Agent: Upi Semiconductor Corporation

20140077787 - Open loop ripple cancellation circuit in a dc-dc converter: A direct current (DC)-DC converter, which includes an open loop ripple cancellation circuit, a switching supply, and a parallel amplifier, is disclosed. During a calibration mode, the parallel amplifier provides a parallel amplifier output current to regulate a power supply output voltage based on a calibration setpoint. The switching supply... Agent: Rf Micro Devices, Inc.

20140077789 - Bandgap reference circuit and self-referenced regulator: The present invention discloses a bandgap reference circuit. The bandgap reference circuit includes an operational transconductance amplifier, and a reference generation circuit. The operational transconductance amplifier includes a self-biased operational transconductance amplifier, for utilizing an area difference between bipolar junction transistors of an input pair to generate a first positive... Agent: Novatek Microelectronics Corp.

20140077788 - Shunt regulator: Low voltage circuits are protected from high voltage/current conditions, as may be implemented in accordance with one or more example embodiments. An additional/secondary shunt circuit/switch is implemented to shunt additional current as supply voltage steps or otherwise increases. In some implementations, the secondary shunt circuit includes a transistor having its... Agent: Nxp B.v.

20140077790 - Switching power supply device: A switching power supply device includes a first control circuit that turns a first switch on when first and second switches are off and a voltage at a junction node therebetween is increased to decrease a voltage across the first switch to a first threshold voltage, turns off when a... Agent: Ricoh Company, Ltd.

20140077791 - Low power fast settling voltage reference circuit: Embodiments of a voltage reference circuit are described. In one embodiment, a voltage reference circuit includes a startup circuit configured to generate a startup current and to be turned off in response to a comparison between the startup current and a current threshold, an amplifier connected to the startup circuit... Agent: Nxp B.v.

20140077792 - High speed charge control for power switching devices: Disclosed are systems, devices, apparatus, circuits, methods, and other implementations, including a system that includes one or more power switching devices that receive power delivered by a power unit, and a high-speed charge control circuit electrically coupled to the one or more power switching devices. The high-speed charge control circuit... Agent:

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