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.
08/07/2014 > 10 patent applications in 8 patent subcategories.

20140217995 - Power management device and power management method: There is provided a power management device including a load current control unit configured to set an upper limit on a load current supplied from a connected feeding device and to control the load current on the basis of the upper limit, and a determination unit configured to, when the... Agent: Sony Corporation

20140217997 - Asymmetric topology to boost low load efficiency in multi-phase switch-mode power conversion: Techniques for performing DC to DC power conversion in switch-mode converter circuits include combinations of dynamic switch shedding, phase shedding, symmetric phase circuit topologies, and asymmetric phase circuit topologies. In at least one embodiment of the invention, a method of operating a power converter circuit includes operating a first phase... Agent: Ati Technologies Ulc

20140217996 - Hysteretic current mode control converter with low, medium and high current thresholds: A converter constituted of: an inductor; a plurality of electronically controlled switches; and a control circuitry arranged to operate in a buck-boost mode responsive to the output voltage of the converter being within a predetermined range of the input voltage of the converter, the control circuitry arranged in the buck-boost... Agent: Microsemi Corporation

20140217998 - System and method for a power supply controller: In accordance with an embodiment, a power supply controller includes an error signal input configured to be coupled to a sensing node of a power supply, a control output configured to be coupled to a switch control circuit, and a control circuit having an input coupled to the error signal... Agent: Infineon Technologies Austria Ag

20140217999 - Soft start circuits and techniques: A regulator control circuit includes a switch control signal generator to generate a switch control signal and a soft start circuit to generate a soft start signal for use by the switch control signal generator. The soft start circuit includes a soft start controller and a decreasing circuit to decrease... Agent:

20140218000 - Voltage regulator circuit: A voltage regulator circuit includes a soft start module, a pulse width modulation (PWM) module, and a voltage regulator module. The soft start module is used to receive a current feedback voltage corresponding to an input current, and compare the current feedback voltage with a comparison voltage, so as to... Agent: Asmedia Technology Inc.

20140218001 - Current-parking switching regulator downstream controller pre-driver: A system and method are provided for generating non-overlapping enable signals. A peak voltage level is measured at an output of a current source that is configured to provide current to a voltage control mechanism. The non-overlapping enable signals are generated for the voltage control mechanism based on the peak... Agent: Nvidia Corporation

20140218002 - Power system and control method thereof: The present invention provides a power system and controlling method thereof. The power system includes: pulse width modulation (PWM) power source, voltage detection unit, current detection unit and feedback signal generation unit. PWM power source receives external DC input, performs PWM on received external DC input, and supplies PWM output... Agent: Shenzhen China Star Optoelectronics Technology Co., Ltd.

20140218003 - Output setting device of constant current circuit: An output setting device of a constant current circuit includes a reference current generation circuit and first to fourth current mirror circuit groups. The reference current generation circuit feeds a reference current. Each current mirror circuit group includes at least one current mirror circuit that feeds a current proportional to... Agent: Yazaki Corporation

20140218004 - Integrated circuit with multi-functional parameter setting and multi-functional parameter setting method thereof: An integrated circuit with multi-functional parameter setting and a multi-functional parameter setting method thereof are provided. The multi-functional parameter setting method includes the following steps: providing the integrated circuit, wherein the integrated circuit includes a multi-functional pin and a switch unit, wherein the multi-functional pin is coupled to an external... Agent: Upi Semiconductor Corp.

07/31/2014 > 10 patent applications in 8 patent subcategories.
07/24/2014 > 6 patent applications in 5 patent subcategories.

20140203789 - High efficiency variable voltage supply: There is disclosed a power supply stage, comprising: generating means for generating a power supply voltage from a high efficiency variable voltage supply in dependence on a reference signal; adjusting means for receiving the generated power supply voltage, and adapted to provide an adjusted selected power supply voltage tracking the... Agent: Nujira Limited

20140203790 - Hybrid continuous and discontinuous mode operation: This disclosure is directed to hybrid continuous and discontinuous mode operation. In general, a system comprising a control module and voltage converter module may be configured to operate in a continuous conduction mode (CCM) until a current through an inductor in the voltage converter module is determined to be at... Agent: Fairchild Semiconductor Corporation

20140203792 - Control circuit of step-down dc-dc converter, control circuit of step-up dc-dc converter and step-up/step-down dc-dc converter: A DC-DC converter or the like capable of generating a stable output voltage is provided. A control circuit 11 of a current mode step-down DC-DC converter 1 includes a slope compensation circuit SC and an offset circuit IF1. The slope compensation circuit SC adds an increase gradient m2 due to... Agent: Spansion LLC

20140203791 - Switching power-supply device and method for manufacturing switching power-supply device: A switching power-supply device includes a switching element; an output circuit; a feedback signal generation circuit; a control circuit that drives the switching element, based on the feedback signal, and controls the voltage of the power-supply output; a correction circuit that corrects a signal level of the feedback signal, wherein... Agent: Sanken Electric Co., Ltd.

20140203793 - Power supply circuit for memory: A voltage pin of a PWM controller is electrically connected to a power source. First and second gate pins of the PWM controller are electrically connected to gates of first and second MOSFETs, respectively. A phase pin of the PWM controller is electrically connected to a source of the first... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd.

20140203794 - Methods and structures for dynamically calibrating reference voltage: A bandgap reference system has a bandgap circuit, an operational transconductance amplifier, and an offset controller. The bandgap circuit includes a pair of diode devices and has a reference terminal at which is provided a bandgap reference voltage. The bandgap circuit provides a differential output having a first output and... Agent:

07/17/2014 > 10 patent applications in 8 patent subcategories.

20140197807 - Reducing output voltage ripple of power supplies: Reducing output voltage ripple of power supplies. In some embodiments, an electronic circuit may include a first node configured to receive an input signal proportional to an output voltage produced by a power supply, a second node configured to receive a reference voltage configured to alternate between two voltage values... Agent: Freescale Semiconductor, Inc.

20140197808 - Dc-dc converter: A DC-DC converter, adapted to control a converting circuit to convert an input voltage into an output voltage, is disclosed. The converting circuit comprises a switch module and an LC filter, the switch module is coupled to the input voltage, and the LC filter is coupled to the switch module... Agent: Green Solution Technology Co., Ltd.

20140197809 - Switching regulator including charge pump: The present invention discloses a switching regulator. The switching regulator converts an input voltage to an output voltage. The switching regulator includes: a power stage circuit, which switches at least one power switch thereof according to a driving signal to convert the input voltage to the output voltage; and a... Agent: Richtek Technology Corporation

20140197810 - Multi-phase dc-dc converter and controlling method thereof: A multi-phase DC-DC converter and a controlling method thereof are provided. The multi-phase DC-DC converter includes a plurality of output units, a sensing unit, and a pulse width modulation (PWM) controller. Each of the output units is coupled to one corresponding output inductance of a plurality of output inductances, and... Agent: Upi Semiconductor Corp.

20140197812 - Constant on time control circuit and dc-dc converting circuit: A constant on time control circuit, configured to control a converting circuit to transform an input voltage into a stable output voltage, is disclosed. The constant on time control circuit comprises a comparing circuit and a logic circuit. The comparing circuit compares a reference signal and a voltage signal indicative... Agent: Green Solution Technology Co., Ltd.

20140197811 - Current limiting scheme for a converter: A modulator configured to control switching of current through an inductor of a converter according to a current limiting scheme while converting an input voltage to an output voltage, which includes a current limit generator and a comparator network. The current limit generator is configured to provide a periodic ramping... Agent: Intersil Americas LLC

20140197813 - Switching regulator: In a switching regulator, a control circuit includes a reference command value generation portion and an additional command value generation portion. The reference command value generation portion generates a reference command value based on a deviation of an output voltage from a predetermined command voltage. The additional command value generation... Agent: Denso Corporation

20140197814 - Programmable frequency range for boost converter clocks: Techniques for generating a boost clock signal for a boost converter from a buck converter clock signal, wherein the boost clock signal has a limited frequency range. In an aspect, the boost clock signal has a maximum frequency determined by Vbst/T, wherein Vbst represents the difference between a target output... Agent: Qualcomm Incorporated

20140197815 - Tunneling current circuit: The purpose of the present invention is to provide a circuit that generates a reference voltage with little electrical power consumption, and that has the similar as conventional circuits. A bandgap reference circuit that, to generate an output voltage, adds a voltage proportional to a differential voltage when currents having... Agent:

20140197816 - Tap changer: The invention relates to a stepping switch for voltage control, comprising semiconductor switch elements on a variable transformer having associated regulating windings. The stepping switch has a modular design, wherein each module comprises a respective sub-winding of the regulating winding which can be activated or deactivated by semiconductor switch elements.... Agent:

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