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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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)... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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)... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |