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US20110260536 Efficient Power Conversion for Ultra Low Voltage Micro Scale Energy Transducers  
A power converter is provided for an energy harvesting system of a micro-scale electronic device. The power converter is configured to transfer electrical energy from an energy transducer to an...
US20150043255 HIGH VOLTAGE GENERATOR  
A high voltage generator includes a voltage converting device configured to increase a level of an input voltage and output an output voltage having a level higher than the level of the input...
US20150131344 Boost Circuit  
A boost circuit includes a power rail to provide a supply voltage, a switch transistor controlling output of a boosted signal from a source of the switch transistor, and a timing and voltage...
US20080158920 System and method for charge pump switchover  
An energy storage system and corresponding method, provides an efficient use of stored energy and more regulated power to an output terminal in the event of an interruption in line input power. In...
US20140369095 PUMPING CIRCUIT  
A pumping circuit includes a charge pump configured to generate a pumping voltage based on a first voltage in response to an oscillation signal, and an oscillator configured to provide a...
US20130279221 POWER SUPPLY  
A power supply to convert AC power to DC power with a relatively constant voltage and linear current delivery. The DC power may be positive and/or negative voltage. A fluctuating voltage from an...
US20110075445 Wide range DC power supply with bypassed multiplier circuits  
A power supply provides dc power over a wide range of output voltages at full operating power by utilizing multiplying circuits (200) supplied by a source of high-frequency alternating current...
US20140192572 POWER CONVERTER CAPABLE OF OUTPUTTING A PLURALITY OF DIFFERENT LEVELS OF VOLTAGES  
A power converter includes a group of serial three-level inverters including 2n (n=2) three-level inverters connected in series, two switch circuits for selecting an output from either one of two...
US20060245217 Diode-directed solid-state marx generator  
An apparatus having one or more modular stages for producing voltage and current pulses. Each module includes a diode charging means to charge a capacitive means that stores energy. One or more...
US20080212346 ANTENNA IMPEDANCE MODULATION METHOD  
A method for modulating the impedance of an antenna circuit supplying pump signals to a charge pump comprising at least one first pump stage and one last pump stage, the last pump stage supplying...
US20130083573 REGULATOR AND HIGH VOLTAGE GENERATOR  
A regulator includes a current path unit coupled between an input terminal and a ground terminal and including a first current determination unit coupled between the input terminal and a control...
US20090273955 OPTIMUM STRUCTURE FOR CHARGE PUMP CIRCUIT WITH BIPOLAR OUTPUT  
A charge pump circuit with bipolar output comprises a first switch capable of selectively connecting a first input terminal of a transfer capacitor to a voltage source, a second switch capable of...
US20130058141 SERIES AND PARALLEL HYBRID SWITCHED CAPACITOR NETWORKS FOR IC POWER DELIVERY  
Series switches for power delivery. A regulator operated as a current source is arranged in parallel with a switched capacitor divider. A switched capacitor divider is configured in series with a...
US20140078795 CHARGE PUMP SUPPLY WITH CLOCK PHASE INTERPOLATION  
A voltage generator may include a plurality of charge pumps, plural sets of delay pipelines and a phase controller. Given M delay pipelines having N stages each, there may be M*N charge pumps each...
US20120170334 Hysteretic CL power converter  
A novel switching hysteretic power converter is presented. The power converter combines the function of a capacitive charge pump with the function of an inductive step down converter to obtain a...
US20140293667 VOLTAGE BALANCING SYSTEM AND METHOD FOR MULTILEVEL CONVERTERS  
A method of operating a flying capacitor multilevel converter having a direct current link and a plurality of phase legs each having a plurality of flying capacitors includes employing redundant...
US20090097285 VARIABLE LOAD, VARIABLE OUTPUT CHARGE-BASED VOLTAGE MULTIPLIERS  
A charge-based voltage multiplier device comprising a charge-pump circuit and a charge-pump controller is provided. The charge-pump circuit is configured to multiply an input voltage signal (Vin)...
US20050099831 Switch-capacitor regulated boot converter and inverter  
Methods and apparatus are presented which converts a DC voltage into both a regulated boost voltage and a regulated inverter by means of switch-capacitors with feedback. Methods and apparatus may...
US20140268945 RECONFIGURABLE SWITCHED CAPACITOR POWER CONVERTER TECHNIQUES  
An apparatus for converting a first voltage into a second voltage includes a reconfigurable switched capacitor power converter having a selectable conversion gain. converter includes a cascade...
US20070236972 Semiconductor integrated circuit device, charge pump circuit, and electric appliance  
In addition to an input terminal, an output terminal, a ground terminal, a plurality of external terminals, and a plurality of charge transfer switches, a semiconductor integrated circuit device...
US20100002478 SYSTEM TO IMPROVE A VOLTAGE MULTIPLIER AND ASSOCIATED METHODS  
A system to improve a voltage multiplier may include a voltage multiplier circuit, and a capacitor carried by the multiplier circuit. The system may also include a transistor to charge an up...
US20130094256 Power Conversion Device Using a Wave Propagation Medium and Operating Method Thereof  
The present solution relates operation of a power conversion device (200, 500). A first gate (205, 505) is operated (901) to provide a voltage pulse (309,609) travelling from an input (201,501) to...
US20050094421 Integrated charge pump voltage converter  
An integrated charge pump voltage converter has an oscillator (1) for generating a switching frequency having at least one capacitance whose value governs the switching frequency generated. It...
US20080278978 HIGH VOLTAGE INDUCTIVE CHARGE PUMP DC-TO-DC CONVERTER ASSEMBLY  
A method and apparatus for a power converter assembly charges a first capacitor and a second capacitor in parallel to a first voltage and at a first polarity, and then discharges the first...
US20090323378 SWITCHED CAPACITOR DC-DC VOLTAGE CONVERTER  
The disclosure describes techniques for converting an input voltage level to two or more output voltage levels using only two pump capacitors and three switching phases. The disclosure also...
US20080013349 Step-Up Circuit and Portable Device Using It  
According to the invention, as an input voltage of a certain step-up unit of a plurality of stages of step-up units, a stepped-up output of a step-up unit in a stage preceding the certain step-up...
US20140307493 CHARGE PUMP CIRCUIT  
There is described a charge pump circuit (1) circuit comprising an input terminal, an output terminal (5) connected to an intermediate node (Ni), a ground terminal (4), a first fly capacitor...
US20130294123 CHARGE PUMP  
A charge pump includes a timing signal generator for generating complementary first and second timing signals, and a voltage booster including a plurality of voltage boosting circuits. Each of the...
US20140268946 System and Methods for Two-Stage Buck Boost Converters with Fast Transient Response  
Various embodiments of the invention provide for single and dual phase charge pump, two stage DC/DC buck-boost converters having fast line and load transient control irrespective of load...
US20050270811 Switching circuit and voltage measuring circuit  
A switching circuit includes a capacitor, a combination battery having a plurality of unit cells connected in series, each of the unit cells containing battery, and a plurality of change-over...
US20110317456 OPTIMUM STRUCTURE FOR CHARGE PUMP CIRCUIT WITH BIPOLAR OUTPUT  
A charge pump circuit with bipolar output comprises six switches, one transfer capacitor, two storage capacitors and a power source. The gate of the switches have been provided an input voltage...
US20080266913 Portable Power Supply  
A portable power supply includes a housing, and power circuitry providing an output AC waveform having a first positive voltage step level, a second higher positive voltage step level, a third...
US20140376287 MULTILEVEL VOLTAGE SOURCE CONVERTERS AND SYSTEMS  
Nested neutral point clamped (NNPC) multilevel power converter stages and systems are presented, in which the converter stage includes an NPC inverter core circuit with a flying (switched)...
US20120091807 METHOD AND APPARATUS FOR DISCHARGING THE CAPACITORS OF A BOOST CONVERTER COMPOSED OF PLURAL BRIDGE DEVICES  
The present invention concerns a method for discharging the capacitors of a boost converter composed of a number n of bridge devices connected in series, the boost converter is connected to...
US20090316452 POWER SUPPLY HAVING MAXIMUM POWER POINT TRACKING FUNCTION  
The present invention relates to power supplies, and more particularly, to a power supply having a maximum power point tracking function that controls power switching so that a detected power...
US20090016084 ARRANGEMENT PROVIDED WITH A VOLTAGE CONVERTER FOR SUPPLYING VOLTAGE TO AN ELECTRICAL LOAD AND ASSOCIATED METHOD  
An apparatus includes a voltage converter for supplying voltage to an electrical load. The voltage converter is electrically connected at an output to a terminal of a series circuit. The voltage...
US20080130329 VOLTAGE CONTROL APPARATUS OF SEMICONDUCTOR DEVICE  
A miniaturized system on a chip that incorporates a positive high voltage charge pump and a negative high voltage charge pump into one pump circuit and shares components. A voltage control...
US20050259453 Switching capacitor network auxiliary voltage source for off-line IC chip  
A switching capacitor network auxiliary voltage source for IC chip solution is provided. The solution can convert the high DC bus voltage into the low DC voltage in low cost and in high...
US20100289459 POWER SUPPLY DEVICE  
Provided is a power supply device including: a magneto generator (1), which includes: a rotor including a magnet forming a magnetic field; and a stator which generates an alternating current in...
US20090059630 High-efficiency DC/DC voltage converter including capacitive switching pre-converter and down inductive switching post-regulator  
A DC/DC converter includes a pre-converter stage, which may include a charge pump, and a post-regulator stage, which may include a Buck converter. The duty factor of the post-regulator stage is...
US20090244940 VOLTAGE GENERATING CIRCUIT  
A voltage generating circuit is provided, including a voltage output terminal, a ground terminal, a capacitor, a selector, a first switch, and a second switch. The capacitor is connected between a...
US20120044726 METHOD AND AN APPARATUS FOR CONTROLLING THE OUTPUT VOLTAGE OF A BOOST CONVERTER  
The present invention concerns a method for controlling an output voltage of a boost converter composed of n bridge devices connected in series, each bridge device being composed of plural...
US20130229841 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...
US20090279368 CIRCUIT AND METHOD FOR GENERATING PUMPING VOLTAGE IN SEMICONDUCTOR MEMORY APPARATUS AND SEMICONDUCTOR MEMORY APPARATUS USING THE SAME  
A circuit for generating a pumping voltage in a semiconductor memory apparatus includes a control signal generation block configured to generate a first control signal obtained by level-shifting a...
US20120081935 SEMICONDUCTOR DEVICE  
A semiconductor device includes rectifying elements which are connected in series and has a rectifying function from a first input terminal portion to an output terminal portion; a first wiring...
US20170170723 CHARGE PUMP STABILITY CONTROL  
An apparatus for power conversion includes a switching network that controls interconnections between pump capacitors in a capacitor network that has a terminal coupled to a current source, and a...
US20160373005 Voltage Multiplier For High-Current Use  
A voltage multiplier includes: a multitude of winding blocks connected in series; a switching circuit configured to connect to ground a first node arranged between a first winding block and a...
US20160352217 Dynamic Clock Period Modulation Scheme for Variable Charge Pump Load Currents  
A charge pump is connected to receive a supply voltage and a clock signal and generate an output voltage. The charge pump is connected to the supply voltage through a transistor whose gate voltage...
US20160336849 PRINTABLE PULSED VOLTAGE MULTIPLIER WITH ADJUSTABLE PULSE WIDTH AND AMPLITUDE  
A voltage multiplier includes a supply voltage, at least two multiplier stages electrically connected together, each stage having a trigger voltage terminal, an input terminal, an output terminal,...
US20160315537 POWER CONVERTER AND METHOD OF OPERATING THE SAME  
An intellectual property (IP) block portion in an integrated circuit includes a first regulator, a first circuit, a power converter, and a second circuit. The first regulator is configured to...

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