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.
04/16/2015 > 14 patent applications in 11 patent subcategories.

20150102785 - Dynamic high energy switch: A dynamic high-energy switch used for correcting load imbalance through connecting and disconnecting capacitance in a power feed circuit.... Agent:

20150102786 - Pfc control circuit, active pfc circuit and pfc control method: The present invention relates to a PFC control circuit, an active PFC circuit, and a PFC control method. According to an embodiment of the present invention, a PFC control circuit including: an inductor current sensing unit for sensing an inductor current of a PFC circuit; an output voltage feedback unit... Agent: University Of Seoul Industry Cooperation Foundation

20150102787 - Battery discharge circuit and discharge method with over discharge protection: A battery discharge circuit has a switching circuit and a controller. The switching circuit is coupled between a battery and a load. The controller is configured to generate a control signal to control the switching circuit. When the battery voltage drops below a first reference voltage, the controller adjusts the... Agent:

20150102788 - Energy-based control of a switching regulator: A system and method are provided for controlling a switching voltage regulator circuit. An energy difference between a stored energy of a switching voltage regulator and a target energy is determined. A control variable of the switching voltage regulator is computed based on the energy difference and the control variable... Agent: Nvidia Corporation

20150102790 - Method for identifying a short-line fault or a line interruption for a switched inductive load: A method identifies a short-line fault or line interruption in a circuit configuration having a series circuit of inductive load and controllable switching element. The series circuit is connected between high and low potentials of a supply voltage source. A connecting point between load and switching element is connected through... Agent:

20150102789 - Voltage regulator: Provided is a voltage regulator capable of keeping the accuracy of an output voltage thereof even at high temperature. The voltage regulator includes: a reference voltage circuit configured to output a reference voltage; an output transistor configured to output an output voltage; a voltage divider circuit configured to divide the... Agent:

20150102791 - Voltage regulator calibration: The present disclosure describes a circuit for managing power and heat. The circuit includes a voltage regulator, and a calibration module comprising logic, at least partially comprising hardware logic. The calibration module is configured to identify a first voltage of the circuit when a current is not provided to the... Agent: Intel Corporation

20150102793 - Synchronous rectification control method and control circuit and switching voltage regulator: In one embodiment, a synchronous rectification control method can include: (i) setting or updating a count value when a rectification switch is turned on; (ii) generating an off enable signal after a delay time corresponding to the count value has elapsed; (iii) turning off the rectification switch based on the... Agent:

20150102792 - Voltage regulator and control method thereof: A voltage regulator and a control method thereof are provided to dynamically adjust an output voltage. The voltage regulator comprises a plurality of switching transistors and a control circuit. The first end of each switching transistor receives a driving voltage, and the second end of each switching transistor is electrically... Agent: Industrial Technology Research Institute

20150102794 - Dc-dc converter using internal ripple with the dcm function: A DC-DC converter, having an input voltage and an output voltage, includes an inductor and a switch switching the input voltage to an input side of the inductor, where a feedback path controlling initiation of closing the switch includes capacitive coupling of the voltage at the input side of the... Agent:

20150102795 - Level shifter, dc-dc converter, and level shift method: A level shifter includes: a first cascode portion, including a first transistor of a first conductivity type and a second transistor of a second conductivity type which are cascode-coupled to each other, configured to transmit a first input signal; a second cascode portion, including a third transistor of the first... Agent:

20150102796 - Peak detector for amplifier: Aspects of the disclosure provide a circuit for peak voltage detection. The circuit includes a diode-based peak detector and a compensation circuit. The diode-based peak detector has a first diode, and is configured to receive a signal for peak voltage detection and generate a first voltage of a stable level... Agent: Marvell World Trade Ltd

20150102797 - Matrix converter: A matrix converter includes: a power convertor that includes a plurality of bidirectional switches configured to control a conducting direction using a plurality of switching elements; a command generator configured to generate a control command for a PWM control on the plurality of switching elements; and a commutation controller configured... Agent: Kabushiki Kaisha Yaskawa Denki

20150102798 - Dc-dc converter with modular stages: An apparatus for electric power conversion includes a converter having a regulating circuit and switching network. The regulating circuit has magnetic storage elements, and switches connected to the magnetic storage elements and controllable to switch between switching configurations. The regulating circuit maintains an average DC current through a magnetic storage... Agent:

04/09/2015 > 15 patent applications in 10 patent subcategories.

20150097533 - Method for regulating an electrical power source: A method for regulating an electrical power source includes the steps of detecting for one or more predetermined conditions associated with a load power of the electrical power source, whereupon the one or more predetermined conditions is detected, acquiring electrical characteristics of the electrical power source to determine a global... Agent:

20150097534 - Circuits and method for controlling transient fault conditions in a low dropout voltage regulator: An overshoot reduction circuit within a low dropout voltage regulator eliminates an overshoot at an output terminal resulting from a transient fault condition occurring at an input or output terminal. The overshoot reduction circuit monitors to sense if there is a transient fault condition occurring at the input or output... Agent: Dialog Semiconductor Gmbh

20150097537 - Circuit ad method to compensate for equivalent series inductance (esl) effects in a buck regulator: A fast transient switching voltage regulator includes a reference signal generator to provide a reference in a feedback path to control switching. The reference signal generator is operative to incorporate a voltage offset into the reference signal timed with the control pulses used to control the switching. The voltage offset... Agent:

20150097538 - Feedback control in hybrid voltage regulators: The present disclosure includes a feedback system that can control hybrid regulator topologies that have multiple converters or regulators connected in series. The hybrid regulator can include at least two regulators: a switched inductor regulator and a switched-capacitor regulator. The disclosed embodiments of the feedback system can simplify feedback design... Agent:

20150097536 - Increasing eap conversion efficiency by continuous current: An electromechanical energy conversion system includes a variable capacitor, an electronic charging/discharging unit and a power source/sink; the power source/sink being coupled to the electronic charging/discharging unit which is coupled to the variable capacitor; the variable capacitor including first and second electrodes that are separated by an intermediate medium providing... Agent: Single Buoy Moorings Inc.

20150097535 - Switched mode dcdc converter efficiency improvement by adaptive driver stage: In a switched mode inductive DCDC converter having a first mode that conducts a first current path through an inductor and through a first switch, and a second mode that conducts a second current path through the inductor and through a second switch, a detecting component detects a parameter. The... Agent:

20150097539 - Systems and methods for real-time inductor current simulation for a switching converter: A switching converter having a high-side switching transistor and a low-side switching transistor and an inductor, having a circuit for generating a simulated waveform representing a sawtooth inductor current waveform. A circuit for monitoring and voltage at a switch node between the high-side and low-side transistors to determine a time... Agent:

20150097540 - Low-drop regulator apparatus and buffer stage circuit having higher voltage transition rate: A low-drop regulator (LDO) apparatus includes an operational amplifier, a buffer stage circuit, and a power transistor. The operational amplifier is used for receiving a reference voltage and a feedback voltage to generate a first voltage. The buffer stage circuit is coupled to the power transistor and the operational amplifier... Agent: Silicon Motion Inc.

20150097541 - Apparatus and method for a voltage regulator with improved output voltage regulated loop biasing: An apparatus and method for a linear voltage regulator with improved voltage regulation is disclosed. A linear voltage regulator device with improved voltage regulation that combines good resiliency to noisy ground reference, high Power Supply Rejection Ratio (PSRR), good current load regulation with changes in the current load and good... Agent: Dialog Semiconductor Gmbh

20150097542 - Asymmetric inductors in multi-phase dcdc converters: A multi-phase DC-to-DC converter is configured to achieve fast transient response and to optimize efficiency over the load range. Phase shedding changes the active number of phases according to output currents. Each phase of the converter has an inductor configured to optimize the efficiency for a range of load currents... Agent: Dialog Semiconductor Gmbh

20150097543 - Voltage regulator: Provided is a voltage regulator including a leakage current correction circuit capable of keeping the accuracy of an output voltage of the voltage regulator even when an output voltage of a reference voltage circuit is decreased due to the influence of a leakage current. The voltage regulator includes: a reference... Agent:

20150097544 - System and method for controlling a power supply: In accordance with an embodiment, a controller for a switched mode power supply includes an average current comparator that determines whether an average current within the switched mode power supply is below a current threshold, and a switch signal generation circuit coupled to the average current comparator having switch signal... Agent: Infineon Technologies Austria Ag

20150097545 - Adaptive power adjustment for current output circuit: A circuit includes an output current circuit that employs a regulated voltage to provide an output voltage to drive a load current through an output load resistor. A load resistance sensor (LRS) senses the resistance of the output load resistor based on the output voltage and the load current. A... Agent:

20150097546 - Bidirectional dc-dc converter: A bidirectional converter circuit includes a voltage source which provides an input voltage, an energy storage set connected to the voltage source and receives the input voltage, a switch set connected to the energy storage set, wherein the switch set includes a first switch and a second switch; an operating... Agent: National Tsing Hua University

20150097547 - Method and apparatus for a floating current source: As taught herein, a floating current source outputs a load biasing current from a source terminal into an external load which may have a variable resistance, and sinks the load biasing current from the load into a sink terminal. Advantageously, the floating current source includes a single-transistor current sink having... Agent:

04/02/2015 > 10 patent applications in 8 patent subcategories.

20150091535 - Directly amplified ripple tracking control scheme for multiphase dc-dc converter: A controller for a multiphase power converter has a plurality of DC to DC converters coupled in parallel between a voltage source and a single output terminal is provided. The controller includes a voltage sensing circuit coupled to the output terminal. An internal pulse generating circuit is couplable to the... Agent:

20150091536 - Semiconductor device and control method thereof: A semiconductor device includes: first and second switching elements connected in series through a switching node; a pulse control unit that pulse-controls switching operations of the first and the second switching elements; an inductor that outputs an output voltage from a second end, a first end of the inductor being... Agent:

20150091537 - Use of a thermistor within a reference signal generator: Reference signal generators using thermistors are disclosed. An apparatus includes a first device having a first temperature coefficient and a thermistor having a second temperature coefficient having a sign opposite to that of the first temperature coefficient. A circuit maintains equivalence of a first signal and a second signal and... Agent: Silicon Laboratories Inc.

20150091539 - Half-bridge gate driver control: A power circuit is described that includes a half-bridge and a driver for controlling a first switch of the half-bridge. The driver is configured to cause the first switch to transition between operating in an on-state of the first switch and an off-state of the first switch based at least... Agent: Infineon Technologies Autria Ag

20150091538 - Method and system for converting a dc voltage: An output voltage is compared to a reference voltage, comparison signals are generated, and control signals and mode signals are generated in response thereto. The output voltage is generated in response to the control signals. A speed of the comparing is increased in response to the mode signals indicating that... Agent: Texas Instruments Incorporated

20150091541 - Internal voltage generation circuit: An internal voltage generation circuit includes a comparison unit suitable for comparing a voltage level of a feedback voltage with that of a reference voltage, and generating a comparison signal and an acceleration voltage, a pull-up driving unit suitable for driving an internal voltage terminal to be pulled up in... Agent: Sk Hynix Inc.

20150091540 - Regulator and regulating method: A regulator applied to regulate a first reference voltage on an output terminal, the regulator includes: a sensing circuit, arranged to sense a variation of the first reference voltage on the output terminal to generate a sensing signal; and a gain stage, arranged to provide an adjusting current to the... Agent: Mediatek Inc.

20150091542 - Regulator circuit: There is provided a regulator circuit capable of increasing the capacity of the output transistor for supplying current, stably generating an internal power supply voltage and adapting to the reduction of a power supply voltage. The regulator circuit includes an output transistor which is supplied with an external power supply... Agent:

20150091543 - Post-silicon tuning in voltage control of semiconductor integrated circuits: A circuit is disclosed that includes a plurality of voltage control circuits and a control module. Each of the voltage control circuits is controlled by a control signal. The control module is configured to generate the control signal and to determine a voltage level or a pulse width of the... Agent:

20150091544 - Timer based pfm exit control method for a boost regulator: A control circuit in a PFM/PWM boost switching regulator includes a timer based PFM exit control circuit configured to receive a first control signal for controlling a main power switch, a zero-cross signal indicative of an inductor current having reached zero current value, and a timer reference signal indicative of... Agent: Micrel, Inc.

03/26/2015 > 9 patent applications in 7 patent subcategories.

20150084605 - Zero current detector and dc-dc converter using same: A DC-DC converter includes a zero current detector. The DC-DC converter includes a high-side switch and a low-side switch. When the DC-DC converter works in a discontinuous conduction mode (DCM). The zero current detector detects a zero current a detection node which is arranged between the high-side switch and the... Agent:

20150084606 - Dc/dc converter: The present invention includes: a zero crossing detection circuit which outputs a zero crossing signal when an inductor's regeneration period is completed; a light load detection circuit which compares an amplified error signal from an error amplifier and a threshold and outputs a light load signal; a timer circuit which... Agent:

20150084607 - Power supply apparatus: A power supply apparatus includes a power supply section and a control section. The power supply section includes a first switch which performs switching of power-supply output, an inductor and a capacitor which form an LC circuit that resonates current flowing through the first switch, and a second switch which... Agent:

20150084608 - Voltage detection method and circuit and associated switching power supply: In one embodiment, a method of detecting a voltage can include: (i) generating a first current according to a first voltage and a converting resistor; (ii) charging a detection capacitor by the first current during a first time period of a switching cycle of a switching power supply; (iii) charging... Agent:

20150084609 - Feedback network for low-drop-out generator: A circuit may include a differential amplifier and a feedback network. The feedback network may have a chain of resistance sets coupled in series, with a first end terminal coupled to an output terminal of the differential amplifier and a second end terminal coupled to a power reference terminal of... Agent: Stmicroelectronics International N.v.

20150084610 - Low-noise high efficiency bias generation circuits and method: Embodiments of signal bias generators and regulators are described generally herein. Other embodiments may be described and claimed.... Agent:

20150084611 - Boost converter with reduced switching loss and methods of operating the same: An apparatus, e.g., a boost converter, includes a first switch configured to be coupled to an inductor and to support a charging current in the inductor from a power source and at least two serially-coupled second switches coupled in parallel with the first switch and configured to selectively route current... Agent: Cree, Inc.

20150084612 - Feed control apparatus for inductive load: In a feed control apparatus that controls a feed state for an inductive load by controlling the opening and closing of a load opening and closing element connected in series to the inductive load, a free-wheeling circuit element employing a field effect transistor is connected in parallel to the inductive... Agent: Mitsubishi Electric Corporation

20150084613 - Zero current detector and dc-dc converter using same: A DC-DC converter includes a zero current detector. The DC-DC converter includes a high-side switch and a low-side switch. When the DC-DC converter works in a discontinuous conduction mode (DCM). The zero current detector detects a zero current a detection node which is arranged between the high-side switch and the... Agent:

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