|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. 11/28/2013 > 16 patent applications in 14 patent subcategories.
20130314056 - Power factor correction apparatus: A power factor correction apparatus is applied to an alternating-current voltage apparatus and a rear end circuit. The power factor correction apparatus includes a power factor correction unit, a control unit, and a ripple detecting unit. The power factor correction unit is electrically connected to the rear end circuit and... Agent:
20130314057 - Device and method for limiting an electrical current: The invention relates to a device (50) for limiting an electrical current in an electrical conductor of an electrical installation. The device (50) comprises a receiving unit adapted to receive a measurement of the electrical current in the electrical conductor, and further comprising a limiting unit adapted to limit said... Agent:
20130314058 - Voltage conversion circuit: A voltage conversion circuit includes a power source, at least one first capacitor, and a voltage convertor. The power source is for providing power for the voltage conversion circuit. The at least one first capacitors are electrically connected to the power source in parallel. The voltage convertor includes at least... Agent: Hon Hai Precision Industry Co., Ltd.
20130314060 - Load transient of a cot mode power supply: A constant on time mode power supplier uses longer constant on time when the output voltage of the constant on time mode power supplier is drooped due to load variation, to increase energy provided to the output of the constant on time mode power supplier for preventing the output voltage... Agent: Richtek Technology Corporation
20130314059 - Power converter with noise immunity: A power adapter system, method and device having two feedback loops that produces an output voltage on a load with a power converter using an input power. A feedback element coupled with the power converter comprises a first feedback loop that compensates for error on the output voltage. A noise... Agent: Flextronics Ap, LLC
20130314062 - Dc-dc converters operable in a discontinuous switching mode: Methods and apparatus for control of DC-DC converters, especially in valley current mode. The DC-DC converter is operable so that a low side supply switch may be turned off, before the high side supply switch is turned on. During the period when both switches are off the current loop control... Agent: Wolfson Microelectronics PLC
20130314061 - Power regulation with load detection: One embodiment of the present invention includes a power regulator system. The system includes a power stage configured to provide an output voltage to a load in response to an input voltage and a control signal. The system also includes a feedback system that receives the input voltage and is... Agent: Texas Instruments Incorporated
20130314063 - Active leakage consuming module for ldo regulator: An active leakage consuming module (1001) is to be added to an LDO regulator without modification of the structure of this latter. The module provides a low-power operating mode with reduced current consumption, without impairing an operation of the LDO regulator for higher currents output by said LDO regulator. The... Agent: St-ericsson Sa
20130314064 - Control loop arrangement, circuit arrangement and method of regulating a load-coupled current source and the supply voltage therefor: A circuit arrangement comprises a load current controller (10a) and a monitoring device (11a, 11b). The load current controller (10a) has its input side connected to a first reference signal connection (A6) and a load reference connection (A2), the latter being able to be coupled to an output of the... Agent: Ams Ag
20130314065 - Load-adaptive power generator: The present invention includes a load-adaptive power generator including a feedback detecting module, a load determining module, a load driving module, and a control module. The feedback detecting module detects a load voltage of a load device, and converts the load voltage into a feedback voltage. The load determining module... Agent: Integrated Solutions Technology Inc.
20130314066 - Delay circuit and electronic device having the same: An electronic device receives a voltage from a power supply. The electronic device includes a load, a first adjusting module, a switching module, a delay module, and a second adjusting module. The first adjusting module produces a working voltage when the electronic device is powered on. The switching module establishes... Agent:
20130314067 - Low power dc-dc converter and method of operating the same: A low power DC-DC converter includes a converter stage coupled to an input node, and having a low side switch and a rectifier switch. A peak current detector senses a current at the low side switch and a zero current detector senses a current at the rectifier switch. It is... Agent: Texas Instruments Deutschland Gmbh
20130314068 - Temperature adaptive bandgap reference circuit: This invention involves a bandgap reference circuit in IC. The temperature coefficient of conventional bandgap reference is large and the higher order compensation is difficult to implement. This invention provides an adaptive compensated bandgap reference which solves the problem only using lower order (first order) temperature coefficient compensation. The invention... Agent: University Of Electronic Science And Technology Of China
20130314069 - Power supply device, adapter, power receiving device, and power supply method: There is provided a power supply device, including a connection state determiner that determines a connection state between an external power recipient device and a power line on which electric power is transmitted, a communication control unit that, in a case where the connection state determiner determines that the external... Agent: Sony Corporation
20130314070 - Dc-dc converter: A DC-DC converter includes a main reactor interposed in a main energization path extending from a DC voltage input terminal to a DC voltage output terminal, a first main switching element interposed into the main energization path so as to be on-off controlled so that current flowing across the main... Agent: Kabushiki Kaisha Toshiba
20130314071 - Transformer correction circuit and technique for reducing cross-talk current: An apparatus and technique that reduces induced cross-talk current between transformer windings. The apparatus includes a transformer having a first secondary winding that provides a first voltage relative to earth ground, a second secondary winding that provides a second voltage relative to floating ground, and a shield disposed between the... Agent: Agilent Technologies, Inc.11/21/2013 > 26 patent applications in 15 patent subcategories.
20130307494 - On-load tap-changer control method, excitation control system carrying out said control method and power excitation chain: The present invention relates to an on-load tap changer control method for a power transformer in a power system. The power transformer has a primary side for a connection to a first grid in which electric power is generated, and a secondary side for connection to a second grid in... Agent: Altom Technology Ltd.
20130307495 - Method and apparatus to increase efficiency in a power factor correction circuit: A power factor correction (PFC) controller includes a capacitor, an error amplifier, a switching frequency adjuster, a comparator, and a drive signal generator. The current source generates a current that is representative of an instantaneous input voltage of a PFC converter to charge the capacitor when a power switch of... Agent: Power Integrations, Inc.
20130307496 - Semiconductor device and driving method thereof: One object of the invention is to reduce discharge of electric charge from a capacitor when supply of power supply voltage to a charge pump circuit is stopped and restarted, so that a time required after the supply of power supply voltage is restarted and before an input signal is... Agent: Semiconductor Energy Laboratory Co., Ltd.
20130307497 - Switching power supply device: Aspects of the invention include a switching power supply device that includes a zero current detecting circuit that detects zero current of electric current flowing through the inductor to turn ON the switching element, an ON width generating circuit that determines the ON width of the switching element to turn... Agent: Fuji Electric Co., Ltd.
20130307498 - Multi-phase switching converter and control method thereof: A multi-phase switching converter comprising a plurality of switching circuits, a comparing circuit and a control circuit. The comparing circuit generates a comparison signal based on a reference signal and the output voltage of the multi-phase switching converter. The control circuit can turn on the following switching circuit based on... Agent: Chengdu Monolithic Power Systems Co., Ltd.
20130307500 - Power conversion apparatus: A power conversion apparatus includes a power-conversion circuit unit that includes at least two voltage-type bridge circuits of an upper and lower arm configuration including switching elements connected in series, each of the switching elements including a transistor and a free wheel diode connected to the transistor in inverse parallel.... Agent: Mitsubishi Electric Corporation
20130307499 - Swithced mode power supply: A power supply includes an adapter, first, second, and third switches, a control circuit, and a pulse modulating chip. The second switch is connected to the first switch and a node. The third switch is connected to an output terminal via the node. The third switch is grounded. The control... Agent: Hon Hai Precision Industry Co., Ltd.
20130307501 - Method of forming a power supply controller and structure therefor: In one embodiment, a method of forming a power supply controller may include configuring the power supply controller to control a pass transistor to form an output current responsively to a control signal and independently of the value of the output voltage until the control signal is less than a... Agent:
20130307506 - Hybrid regulator with composite feedback: A hybrid voltage regulator includes a shunt circuit, a shunt feedback circuit, a pass circuit, and a bias controller. The bias controller is configured to control the pass circuit. The hybrid voltage regulator may also include a current source. This hybrid voltage regulator reduces current consumption at low load conditions... Agent: Rf Micro Devices, Inc.
20130307507 - Method and apparatus for zero current detection: This application discusses, among other things, zero current detection. In an example, a circuit for zero current detection can include a compensating circuit and a detecting circuit. The compensating circuit can be configured to feed back a compensating voltage to the detecting circuit according to an output voltage of a... Agent: Fairchild Semiconductor Corporation
20130307508 - Method for regulating a buck/boost converter: A method for regulating a clocked buck/boost converter, wherein a buck converter switching element is driven at a common clock frequency with a first pulse-width-modulated switching signal and a boost converter switching element is driven with a second pulse-width-modulated switching signal to convert an input voltage into a regulated output... Agent: Siemens Aktiengesellschaft
20130307503 - Multi-phase switching converter with overlap mode and control method thereof: A multi-phase switching converter and control method thereof. The multi-phase switching converter includes a plurality of switching circuits and a controller. The output terminals of the plurality of switching circuits are coupled together to provide an output voltage to a load. The controller is configured to generate a plurality of... Agent: Chengdu Monolithic Power Systems Co., Ltd.
20130307502 - Reducing power consumption in a voltage regulator: A voltage regulator includes an amplifier, a first buffer and a second buffer. The amplifier is designed to generate an error voltage between a reference voltage and a voltage at an output node of the voltage regulator. The first buffer is coupled to receive the amplified error voltage and, in... Agent: Cosmic Circuits Pvt Ltd
20130307505 - Switching circuits: A switching circuit and a method of operating the same. The switching circuit comprises: a switching transistor adapted to control operation of the switching circuit according to a control signal applied to the control terminal of the switching transistor; a regulating circuit adapted to generate the control signal; and a... Agent: Nxp B.v.
20130307504 - Voltage generation circuit: A voltage generation circuit has N sets of voltage step-up circuits configured to start a voltage step-up operation for increasing an absolute value of an output voltage and configured to stop the voltage step-up operation when the output voltage reaches a step-up voltage that is independently set for each voltage... Agent: Fujitsu Semiconductor Limited
20130307509 - Digital event generator, comparator, switched mode energy converter and method: A digital event generator includes a counter configured to provide at least one count value based on a clock signal, and a comparator configured to evaluate a first portion of a first count value to detect a near occurrence of an event, in response to a detection of a near... Agent: Intel Mobile Communications Gmbh
20130307511 - Hysteretic current mode controller for a bidirectional converter with lossless inductor current sensing: A system and circuit for achieving bidirectional hysteretic current mode control of a converter. The system comprises a summer that provides a constant hysteresis and has added switching noise immunity, a comparator, a lossless inductor current sense means and a converter. A circuit using the inductors internal resistance for sensing... Agent:
20130307510 - Method for converting a high voltage level to a low voltage level: In a method, a high voltage level is converted to a low voltage level by using a high side driver and a low side driver electrically coupled with the high side driver. The high side driver is substantially turned off upon a detection that the high side driver leaves a... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.
20130307512 - Systems for indirect average current measurement: One example of the invention relates to a power system. The power system can include a switching power converter configured to convert an input voltage to an output voltage for providing power at an output thereof to which a load is connectable. A measurement system can include measurement circuitry configured... Agent: Texas Instruments Incorporated
20130307513 - High voltage field effect transistors: Transistors suitable for high voltage and high frequency operation. A nanowire is disposed vertically or horizontally on a substrate. A longitudinal length of the nanowire is defined into a channel region of a first semiconductor material, a source region electrically coupled with a first end of the channel region, a... Agent:
20130307515 - Circuit for generating a dual-mode ptat current: The present invention discloses a circuit for generating a dual-mode proportional to absolute temperature (PTAT) current. The circuit includes a voltage stabilizing circuit to provide a voltage reference, and a load current control circuit comprising a first transistor to provide a first load current based on the voltage reference, a... Agent: Elite Semiconductor Memory Technology Inc.
20130307514 - Output module for industrial control with sink and source capability and low heat dissipation: An I/O circuit for use with an industrial controller provides a photovoltaic optical isolator communicating between a controller and a field-side of the I/O circuit, the photovoltaic optical isolator eliminating the need for high wattage power dropping circuits for powering the field-side of the I/O circuit from high-voltage field signals.... Agent:
20130307516 - Bandgap reference circuit: A bandgap reference circuit including two sets of bipolar junction transistors (BJTs). A first set of two or more BJTs configured to electrically connect in a parallel arrangement. The first set of BJTs is configured to produce a first proportional to absolute temperature (PTAT) signal. A second set of two... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.
20130307517 - Low-voltage band-gap voltage reference circuit: The present application discusses low voltage band-gap voltage reference circuit and methods. In an example the circuit can include a current mirror, an operational amplifier adopting an N-Metal-Oxide-Semiconductor (NMOS) input pair structure, a band-gap output circuit, an adaptive adjustment circuit; and two branches of Bipolar Junction Transistor (BJT). The current... Agent: Fairchild Semiconductor Corporation
20130307518 - Self-calibrating differential current circuit: In one embodiment, a constant-current generator is connected in series with a dependent (e.g., tail) device. A switched capacitor circuit connected to the gate of the dependent device is operated to (i) charge at least one capacitor of the switched capacitor circuit, (ii) use the at least one charged capacitor... Agent: Lsi Corporation
20130307519 - Switching circuit and electronic device using the same: An electronic device comprises a power supply, a load, a switching module, a voltage converting module, and a control module. The switching module establishes an electrical connection between the power supply and the voltage converting module when the electronic device is powered on. The voltage converting module is powered on... Agent:11/14/2013 > 17 patent applications in 11 patent subcategories.
20130300381 - Power converter apparatus: A power converter apparatus for driving an electronic load is disclosed. The power converter apparatus includes a rectifier module, an active switch unit, a driving module, an input voltage detection module, an output voltage detection module, a current detection module and a digital processor module. The active switch unit is... Agent: Delta Electronics, Inc.
20130300382 - Regulating cascode circuit with self-calibration capability: A circuit comprises a cascode core circuit and a current adjustor circuit. The cascode core circuit has an output node and a current path (ID). The current adjustor circuit is configured to change a current on the current path in response to a change in a voltage at the output... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.
20130300385 - Charge-pump voltage divider and associated control method: The embodiments of the present invention disclose a charge-pump voltage divider and associated start-up method. The charge-pump voltage divider comprises a start-up circuit that can regulate an inrush current during start up. The start-up circuit comprises a switch, which operates in linear region state during start-up, and operates in switching... Agent: Chengdu Monolithic Power Systems Co., Ltd.
20130300383 - Current mode control for dc-dc converter: A DC-DC converter includes a current control stage configured to provide a threshold based on an output voltage, an input voltage, and a reference voltage for the DC-DC converter. An off time control can be configured to receive the threshold and control an off time for the DC-DC converter based... Agent: Texas Instruments Incorporated
20130300384 - Isolated switching mode power supply and the method thereof: An isolated switching mode power supply, having: a transformer having a primary winding, a secondary winding and a third winding; a current limit comparator configured to provide a current limit signal based on the current sense signal and the peak current signal; a logic circuit configured to provide a logic... Agent: Chengdu Monolithic Power Systems Co., Ltd.
20130300386 - Integrated circuit device, voltage regulation circuitry and method for regulating a voltage supply signal: An integrated circuit (IC) device is provided that includes at least one internal voltage regulator arranged to receive a voltage supply signal at a first input thereof, receive a control signal at a second input thereof, regulate the received voltage supply signal in accordance with the received control signal, and... Agent: Freescale Semiconductor. Inc.
20130300387 - Method of forming a semiconductor device and structure thereof: A power control circuit and method of formation is provided, which in one embodiment includes a low voltage detection circuit to process a rectified input voltage from at least one alternating current (AC) voltage source and to output a low voltage indication signal upon detection of an initiation of an... Agent:
20130300389 - Regulator circuit: A regulator circuit includes a comparator configured to compare a feedback voltage obtained by dividing an output voltage with a reference voltage to output a comparison signal; a controller configured to control an electric potential of an internal node according to the comparison signal; a current supply unit configured to... Agent: Sk Hynix Inc.
20130300390 - Switch control circuit, coupled inductor boost converter including the same, and driving method of the coupled inductor boost converter: The present invention related to a switch control circuit, a coupled inductor boost converter including the same, and a driving method thereof. The coupled inductor boost converter includes a first inductor connected between an input voltage and a first node, a second inductor connected between the first node and a... Agent: Fairchild Korea Semiconductor Ltd.
20130300388 - System and method of predictive current feedback for switched mode regulators: A predictive current feedback system for a switched mode regulator including a sample and hold network for sampling voltage across a lower switch of the regulator and for providing a hold signal indicative thereof, and a predictive current feedback network which adds an offset adjustment to the hold signal based... Agent: Intersil Americas LLC
20130300391 - Controller, controlling method, and digital dc-dc converter using the controller and the controlling method: An exemplary embodiment of the present invention generates a plurality of clock signals having a frequency according to an output voltage, a plurality of low clock signals of which frequencies are half of frequencies of the plurality of clock signals, and a phase signal corresponding to the output voltage by... Agent: Fairchild Korea Semiconductor Ltd.
20130300392 - System and method of dynamic droop for switched mode regulators: A regulator system with dynamic droop including a regulator control network which is adapted to control regulation of an output voltage to a reference level, a DC droop network which provides a droop signal to modify the reference level based on output load according to a predetermined DC load line,... Agent: Intersil Americas LLC
20130300393 - Circuit of outputting temperature compensation power voltage from variable power and method thereof: Disclosed herein are a circuit of outputting a temperature compensation power voltage from variable power and a method thereof, the circuit including: a regulator circuit unit converting the variable power into a predetermined voltage desired by a system; a resistance compensation circuit unit provided at an output terminal of the... Agent: Samsung Electro-mechanics Co., Ltd.
20130300394 - Current slope control method and apparatus for power driver circuit application: A low side driver includes a first transistor coupled in series with a second transistor at a low side voltage node for a load. A capacitance is configured to store a voltage and a voltage buffer circuit has an input coupled to receive the voltage stored by the capacitance and... Agent: Stmicroelectronics (shenzhen) R&d Co. Ltd.
20130300395 - Accessory detection over temperature: This document discusses, among other things, apparatus and methods configured to accurately identify accessories coupled to mobile electronic devices over a wide range of temperature, In an example, an apparatus can include a reference voltage generator configured to provide a reference voltage, a comparator configured to compare the reference voltage... Agent:
20130300396 - Start-up circuit and bandgap voltage generation device: A start-up circuit for activating a bandgap voltage generation circuit is disclosed. The bandgap voltage generation circuit includes a bandgap input end, a first bandgap output end and a second bandgap output end. The start-up circuit includes a comparator having a first input end coupled to the first bandgap output... Agent:
20130300397 - Power converter: In a power converter, a reference signal generator generates a reference signal with a predetermined period. A current detector detects a current flowing in the converter. When a value of the detected current is larger than a value of a predetermined current command, a reset signal generator generates a reset... Agent:11/07/2013 > 14 patent applications in 9 patent subcategories.
20130293204 - Control circuit for reducing switching loss of buck-boost converter and related switching regulator: The switching regulator of a buck-boost converter includes a first, a second, a third, and a fourth switches. A control circuit for controlling the switching regulator includes an error detector, a ramp signal generator, a comparator, an oscillator, and a control signal generator. The error detector generates an error signal... Agent: Richtek Technology Corporation
20130293203 - Current balance circuit and multiphase dc-dc converter and current balance method thereof: The present invention discloses a current balance circuit for a multiphase DC-DC converter. The current balance circuit comprises a current error calculation circuit, for generating a plurality of current balance signals indicating imbalance levels of a plurality of inductor currents of a plurality of channels of the multiphase DC-DC converter... Agent: Anpec Electronics Corporation
20130293205 - Control of cross-over point: There is provided an output stage comprising: a phase splitter for receiving an input signal and for generating first and second drive signals of opposite phase in dependence thereon; a DC offset signal generator for generating a DC offset signal; an adder for adding the DC offset signal to the... Agent:
20130293206 - Switch-mode power supply having reduced audible noise: A power supply having an input and an output, includes a power converter coupled between the input and output of the power supply including at least one switch that is controlled by comparing a sensed voltage, the sensed voltage corresponding to a current flowing through the switch, to a reference... Agent:
20130293207 - Power supply with a magnetically uncoupled phase and an odd number of magnetically coupled phases, and control for a power supply with magnetically coupled and magnetically uncoupled phases: An embodiment of a power supply includes an input node operable to receive an input voltage, an output node operable to provide a regulated output voltage, an odd number of magnetically coupled phase paths each coupled between the input and output nodes, and a first magnetically uncoupled phase path coupled... Agent:
20130293210 - Coupled voltage converters: Embodiments of a power supply are disclosed that include a first voltage converter having a first feedback controller and a first regulated output, and second voltage converter having a second feedback controller and a second regulated output electrically coupled to the first regulated output. The power limit of the first... Agent: Apple Inc.
20130293211 - Method and apparatus for all duty current sensing in current mode converter: A current sensing apparatus for a voltage converter apparatus includes a circuit selection module for generating a circuit selection result according to a clock signal and a duty cycle signal; a current sensing module coupled to the circuit selection module, an up-bridge circuit and a down-bridge circuit of the voltage... Agent: Anpec Electronics Corporation
20130293208 - Multiple chip voltage feedback technique for driving led's: A multiple chip voltage feedback technique allows multiple strings of LED's and current sinks to be efficiently powered by a DC-to-DC voltage converter within an appliance. A connected series of differential amplifiers or multiplexers are used to monitor the voltages between the connected LED's and the current sinks, progressively determine... Agent: Advanced Analogic Technologies, Inc.
20130293209 - Voltage regulator and voltage regulation method: A voltage regulator, alternatively operating in an active mode in response to an enabled mode indication signal, and operating in a standby mode in response to the disabled mode indication signal, is provided. The voltage regulator comprises a regulation unit and a feedback circuit. The regulation unit drives an output... Agent: Macronix International Co., Ltd.
20130293213 - Start-up circuit and method thereof: Methods and circuits related to power regulator start-up are disclosed. In one embodiment, a start-up circuit can include: (i) a delay circuit having a resistor and a capacitor, where the capacitor is coupled between ground and a common node; and (ii) a control chip that receives a reference voltage, and... Agent:
20130293212 - System and method of balanced slope compensation for switch mode regulators: A modulator with balanced slope compensation including a control network, a slope compensation network, an offset network and an adjust network. The control network receives a feedback signal indicative of an output voltage and provides a loop control signal. The slope compensation network develops a slope compensation signal. The offset... Agent: Intersil Americas LLC
20130293214 - Direct current converter for bootstrap circuit with predetermined charging duration: A direct current (DC) converter for converting an input voltage to an output voltage, includes a driving-stage circuit having an upper and a lower switch for converting the input current to a switch signal and transmitting the switch signal through an output terminal, an output-stage circuit coupled to the output... Agent:
20130293215 - Reference voltage generator: A reference voltage generator generates a reference voltage having a stable voltage level insensitive to a temperature variation. A reference voltage generator includes a current generating unit configured to generate a reference current proportional to temperature increase, a voltage adjusting unit configured to adjust a reference voltage corresponding to a... Agent: Sk Hynix Inc.
20130293216 - Laminated inductor element: A laminated inductor element includes a laminated substrate including a plurality of layers including a magnetic layer, an inductor including coil conductors provided between layers of the laminated substrate and connected in a lamination direction of the laminated substrate, and a pair of non-magnetic layers laminated on the laminated substrate... Agent:Previous industry: Electricity: single generator systems
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