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9007039 Single inductor multiple output (SIMO) direct current-to-direct current (DC/DC) converter and control method thereof  
Provided is a single inductor multiple output (SIMO) direct current-to-direct current (DC/DC) converter that may perform DC/DC conversion by transferring, to output nodes, input current that is...
9000743 Multi-channel constant voltage and constant current converting controller and apparatus  
A multi-channel constant voltage and constant current converting controller is provided. It comprises a multi-channel balance circuit and an error amplifier circuit. The multi-channel balance...
9000673 Multi-channel two-stage controllable constant current source and illumination source  
A multi-channel constant current source particularly suitable for driving an array of light-emitting diodes as an illumination apparatus provides a power source stage voltage regulator for...
8994346 Systems and methods for dynamic management of switching frequency for voltage regulation  
Systems and methods are provided that may be implemented to dynamically manage voltage regulator switching frequency. In one embodiment, the disclosed systems and methods may be implemented to...
8994345 Control of multi-level supply stage  
There is described a buck-boost converter comprising: a voltage source; an inductor, wherein a first terminal of the inductor is switchably connected to the voltage source; and a plurality of...
8988140 Real-time adaptive voltage control of logic blocks  
An integrated circuit includes logic regions and dynamically adjustable voltage controllers. A voltage controller connected to each logic region enables voltage adjustment while the chip is...
8981740 Switching circuit  
A multiple output switching circuit (300) comprising an input (302) configured to receive power from a power source; a first output (304) configured to provide a first output voltage; and an...
8975879 Switching converter having a plurality N of outputs providing N output signals and at least one inductor and method for controlling such a switching converter  
This invention provides a switching converter having a plurality N of outputs providing N output signals and at least one inductor, comprising a first controlling device for controlling the total...
8946932 Configurable distributed power module  
The present invention provides a configurable dc-dc power converter module and method of manufacture for such module. The power converter module comprises an isolated subassembly with a capacitor...
8933681 Integrated power supply with wide input supply voltage range  
A novel integrated switched mode power supply circuit that provides supply voltages to an integrated circuit may be of minimal complexity and have the capacity for a wide range of input supply...
8933675 Two-inductor based AC-DC offline power converter with high efficiency  
Embodiments disclosed herein describe the use of two inductors in a non-isolated power converter. The power converter receives power from a non-regulated power source, and converts the received...
8929109 Double-output half-bridge LLC serial resonant converter  
The present invention relates to a double-output half-bridge LLC serial resonant converter, comprising: a half-bridge rectifying unit, a first resonant unit, a first transformer unit, a first...
8912771 Power rail regulator to regulate DC rail voltage and output current  
A power regulators system and method is disclosed. In one embodiment, a power regulator system (10) is provided and includes at least one power supply (16) each configured to convert a DC rail...
8908402 Modular high-frequency converter and method for operating the same  
A modular high-frequency converter includes submodules, each having an input-side half bridge and a DC link circuit with a DC link capacitance connected in parallel to the half bridge. A DC link...
8908391 Method and apparatus for regulating an additional output of a power converter  
An example post regulator controller for use in a power converter having a regulated output and an additional output is disclosed. The post regulator controller includes an inductor to be coupled...
8908395 Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter  
An example power converter includes an energy transfer element, a switch, and a control circuit. The control circuit includes a drive signal generator and an unregulated dormant mode control...
8896278 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...
8878513 Regulator providing multiple output voltages with different voltage levels  
A regulator for providing a plurality of output voltages is provided. The regulator includes a basic unit and a plurality of replica units. The basic unit amplifies an input voltage to obtain a...
8841892 Method and integrated circuit that provides tracking between multiple regulated voltages  
An IC provides tracking between multiple regulated voltages. The IC includes, a voltage reference circuit, a voltage multiplier circuit, and first and second voltage regulator circuits. The...
8836297 Switching device and method of controlling switching device  
A switching device is disclosed in which electric current through a rectification circuit, depending on whether a main switching element turns on or off, and thus electric current from the...
8797771 Capacitor based AC to DC step up converter  
An AC-DC step-up converter circuit architecture for generating multiple output voltages, both positive and negative, in an implantable biomedical device is disclosed. Switches and active...
8791591 Zero-current switching multi-output power converter with improved cross-regulation  
A zero-current switching multiple-output-regulator (“ZCS MOR”) converts power from an input source via a transformer to a main output and one or more auxiliary outputs. Each output is coupled to a...
8786211 Current control for SIMO converters  
A system includes a single-inductor-multiple-out (SIMO) converter having storage circuitry in communication with a plurality of output channels, and a controller that controls and measures current...
8773103 Power supply device  
A power supply device includes a step-down unit to step down an input voltage, a switching unit to perform switching on a stepped-down voltage obtained through the stepping down by the step-down...
8773087 Power supply circuit having switched capacitor units  
The invention relates to a power supply circuit (10) and methods for supplying electrical power to at least one load output. The circuit comprises a main power supply unit (12) with a voltage...
8773088 Single inductor multiple output power converter  
A novel method to operate and control single inductor multiple output switching power converter is presented. The method includes the means for generating one or more synthetic ripple signals and...
8749213 Mixed mode control for switching regulator with fast transient responses  
Methods and circuits for power supply arrangement and control are disclosed herein. In one embodiment, a switching regulator controller can include: (i) a first feedback circuit for sensing an...
8742622 System and method for thermal protection in a power system  
In accordance with embodiments of the present disclosure, systems and methods for thermal protection in a power system may be provided. In accordance with certain embodiments of the present...
8736195 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Current control for SIMO converters
 
A system includes a single-inductor-multiple-out (SIMO) converter having storage circuitry in communication with a plurality of output channels, and a controller that controls and measures current...
8723492 Autonomous controlled headroom low dropout regulator for single inductor multiple output power supply  
A controlled headroom low dropout regulator (CHLDO) having an LDO with an input voltage provided by a capacitor. An incremental voltage is added to an output voltage of the LDO to create a...
8698358 Active parasite power circuit  
A circuit is provided that includes a parasitic power circuit that powers a parasitic circuit. The parasitic power circuit derives a supply voltage from an external AC or other signal suitable for...
8692526 Converting leakage current to DC output  
A power source capable of supplying power to operate electronics of a system is disclosed. In one example, the power source takes advantage of an electrical potential difference between primary...
8674669 Switching regulator with a single inductor in a multiple output power supply configuration  
Single inductor based switching regulators are disclosed herein. In one embodiment, a switching regulator can include: (i) output switches coupled to a common inductor node and to a corresponding...
8633709 System for testing motherboard performance  
A system for testing a motherboard performance includes a control device, a voltage processing circuit, a voltage regulating circuit and a voltage feedback circuit. The control device stores a...
8629663 Systems for integrated switch-mode DC-DC converters for power supplies  
A first control system for a power supply includes a switch-mode DC-DC converter module and an FET gate drive module. The switch-mode DC-DC converter module receives an input voltage and generates...
8629664 Multi-path constant current driving circuit  
A multi-path constant current drive circuit includes a DC/AC converter, a main transformer and at least two rectifying and filtering units. The main transformer includes at least one assistant...
8624567 Controllers for DC/DC converters  
A controller for a DC/DC converter includes multiple signal generators and a control circuit. The signal generators generate multiple pulse signals, each signal generator generating a...
8614569 Method of controlling a switched-mode power supply having a single inductive element and several outputs, and corresponding power supply, in particular for a cellular mobile telephone  
The switched-mode power supply includes a switching cell having an inductive element with two connections and several individually selectable outputs, and in which the two connections of the...
8588682 Near field RF communicators having refined energy sharing characterisitics utilizing improved shunt current control  
A near field RF communicator has an inductive coupler (223) to enable inductive coupling with a magnetic field of an RF signal; a rectifier (213,214,215,216) to rectify an AC voltage derived from...
8570005 Direct current link circuit  
A device for converting power from a floating source of DC power to a dual direct current (DC) output, the device includes: positive and negative input terminals connectible to the floating source...
8572415 Storage system  
A storage system includes one or more first power supplies which receive power from the first input and supplies power to each of multiple load groups through multiple first paths and multiple...
8541992 Voltage converter  
A DC voltage converter, comprising: a multi-ratio capacitive converter; a linear voltage regulator in series with the multi-ratio capacitive converter; and a controller; the controller arranged to...
8536935 Uniform power regulation for integrated circuits  
A system for uniform power regulation of an integrated circuit is disclosed. In each of a plurality of regions, the system includes a comparison circuit having a first input coupled to receive a...
8531164 Operational transconductance amplifier feedback mechanism for fixed feedback voltage regulators  
An operational transconductance amplifier used in conjunction with a multiple chip voltage feedback technique allows multiple strings of LEDs and current sinks to be efficiently powered by a...
8508073 Simultaneous multi-voltage rail voltage regulation messages  
Methods and mechanisms to simultaneously regulate two or more supply voltages provided to an integrated circuit by a voltage regulator. In an embodiment of the invention, a voltage regulation...
8503145 Fault protected current source for lighting element testing  
A fault protected current source is provided that can be used to safely drive LEDs in reliability test systems. The current source is includes circuits and processes that detect the common faults...
8493040 Voltage regulator with charge pump  
In one embodiment, a regulator circuit is provided. The regulator circuit includes a control circuit configured and arranged to adjust an oscillation frequency of a variable frequency oscillator...
8471537 Low power high voltage regulator for non-volatile memory device  
A high-voltage regulator includes a charge pump for generating a high voltage, a voltage regulator for generating a regulated voltage, and an oscillator having an oscillation frequency. The...
8461814 Boost/buck converter and method for controlling it  
A power supply circuit capable of providing two regulated voltages based on a D.C. input voltage, including a boost converter and a buck-boost converter, the circuit including a single inductive...
8456870 Power supply and image forming device having the same  
A power supply, which outputs a plurality of voltages in order to improve the cross regulation between output voltages and at the same time reduce the amount of electric power consumed, and an...

Matches 1 - 50 out of 399 1 2 3 4 5 6 7 8 >