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US20140184191 SYSTEM AND DEVICE FOR REDUCING STANDBY POWER CONSUMPTION  
The invention provides a system and a device for reducing standby power consumption. The system for reducing standby power consumption, comprises a power regulator, a power detecting circuit and a...
US20110068769 Dimmer Switch With Adjustable High-End Trim  
A dimmer switch has a user adjustable high-end trim. The dimmer switch includes a bidirectional semiconductor switch, such as a triac, for controlling the amount of power delivered from a source...
US20140375383 SWITCHING POWER SUPPLY  
A power supply is disclosed herein. For example, a method for controlling the power supply can include dynamically programming a threshold voltage. The method can also include down-converting an...
US20140132243 TWO-WIRE TRANSMITTER STARTER CIRCUIT AND TWO-WIRE TRANSMITTER INCLUDING THE SAME  
A two-wire transmitter starter circuit is configured to stably supply power at the time of start-up. The two-wire transmitter starter circuit includes a starter current generation circuit. The...
US20120105047 PROGRAMMABLE LOW DROPOUT LINEAR REGULATOR  
The present invention provides a programmable low dropout linear regulator using a reference voltage to convert an input voltage into a regulated voltage according to a control signal. The...
US20110084683 Low powered activation electronic device  
A low powered activation electronic device includes a power source, an electronic circuit, having two spaced apart electrodes, electrically connected to the power source to form an opened circuit,...
US20140055061 Battery Powered Control Device For Driving A Load With A Pulse Width Modulated Signal  
A battery-powered load control device (e.g., a motorized window treatment) is able to supply a pulse-width modulated current to an electrical load (e.g., a motor) while conducting a substantially...
US20110316520 Battery Control Circuit  
A battery control circuit includes a voltage detection circuit for measuring voltages of electric cells, balancing circuits for balancing the voltages or SOCs of the electric cells, a signal...
US20140266143 VOLTAGE REGULATOR  
A method includes receiving, at a voltage regulator, an activity adjustment signal from a digital circuit. The method also includes controlling one or more variable impedance elements of the...
US20140292293 VOLTAGE REGULATOR  
A voltage regulator for providing power to a system includes feedforward circuitry receiving a signal from the system indicating the current needed by the system, and the feedforward circuitry...
US20110115462 Supply Architecture for Inductive Loads  
Apparatus and associated systems and methods may relate to a process for supplying unidirectional current to a load, controlling a reverse electromotive force (REMF), capturing inductive energy...
US20110099389 STAND-BY POWER SYSTEM FOR INFORMATION HANDLING SYSTEMS  
A power supply system includes a power supply coupled to a load via a main power rail, and a switch coupled between the power supply and the load on an auxiliary power rail. A controller controls...
US20110304312 POWER CIRCUIT FOR REDUCING STANDBY POWER CONSUMPTION  
In a power circuit for reducing standby power consumption, a power supply is defined to include a primary power system and a stationary power system. The stationary power system outputs a...
US20110215791 Compensation schemes for the voltage droop of solid-state Marx modulators  
A novel design scheme for the compensation circuitry of solid-state Marx modulators has been described for enhancing the compensation ability of the compensation cells of the Marx modulators and...
US20110227557 HIGH-VOLTAGE SWITCHING HOT-SWAP CIRCUIT  
Electronic circuits and methods are provided for use in high-voltage, hot-swappable circuit board applications. A pulse-width modulated (PWM) signal biases a switching transistor by way of...
US20130015836 LOW NOISE STEP-DOWN CONVERTER AND LOW NOISE VOLTAGE SUPPLY ASSEMBLY  
A low noise step-down converter includes a rectified voltage output, a pulse generator, a rectifying diode, a rectifying inductor, a rectifying capacitor, and an impedance element. The rectified...
US20120146615 OUTPUT VOLTAGE ADJUSTMENT CIRCUIT FOR BUCK CIRCUITS  
An output voltage adjustment circuit for buck circuits includes a microcontroller, first to eighth keys, and a display unit. The first to eighth keys input voltage adjustment signals to the...
US20110292705 METHOD AND APPARATUS FOR POWER CONVERTER INPUT VOLTAGE REGULATION  
A method and apparatus for regulating an input voltage to a power conversion module. In one embodiment, the method comprises computing a voltage regulation threshold based on an output voltage for...
US20140235301 CONFIGURABLE DC-DC CONVERTER  
A method includes, in a mobile communication terminal that is powered by a DC-DC converter and is operated by a user in accordance with multiple possible usage scenarios, determining a usage...
US20080111535 SEPARATE TYPE CONVERTER HAVING RELATIVELY BETTER EFFECTIVENESS  
The present invention provides a separate type converter. The separate type converter includes a power control module having a power control circuit generating a first control signal, and a power...
US20130207637 POWER CONVERSION DEVICE  
With a power conversion device, it is possible to lengthen the lifespan of a mechanical switch by preventing an absorption by the mechanical switch of induction energy accumulated in a reactor...
US20080217095 Limiting Device for Limiting Relay Welding and Motor Driving Apparatus  
In a state where an abnormality of a boosting circuit is detected by monitoring a boosted voltage outputted from the boosting circuit, motor relays are turned to an off state when the boosted...
US20080284408 Sequential calibration of matched current sources  
A system involves LED strings and programmable current source circuits (CSC). An LED current flows through each LED string. Each LED current is controlled by an associated programmable CSC. In one...
US20090174389 MULTI-PHASE POWER SUPPLY CONTROLLER AND METHOD THEREFOR  
In one embodiment, a multi-phase power supply controller is configured to an operating status signal and responsively inhibit the PWM controller from forming at least one PWM drive signal of a...
US20090085553 Reconfigurable battery pack  
In some embodiments, a system comprises a voltage regulator having two or more inputs with each having its own input voltage level and at least one switch to select between the input voltage...
US20110267142 MULTI-STATE DC-DC CONVERTER  
DC-DC converters adapted to provide two or more DC output voltages. More particularly, a multi-state or mode DC-DC converter circuit comprising first and second controllable switches configured...
US20140035489 Battery Control and Protective Element Validation Method  
A method, system and device for discharging power or validating protective elements of a power source to ensure proper functioning of a tool at various temperatures. The power source communicates...
US20110199071 Circuit Arrangement and Method for Driving a Load  
Disclosed is a circuit arrangement and a method for driving a load.
US20110080156 DC/DC converter with depletion-mode III-nitride switches  
Disclosed is a buck converter for converting a high voltage at the input of the buck converter to a low voltage at the output of the buck converter. The buck converter includes a control circuitry...
US20140253090 CONFIGURABLE INTEGRATED CIRCUIT ENABLING MULTIPLE SWITCHED MODE OR LINEAR MODE POWER CONTROL TOPOLOGIES  
An integrated circuit is operable for implementing any of multiple switched mode or linear power control topologies. The integrated circuit includes a control unit, and functional blocks each of...
US20110140684 POWER CONTROLLER HAVING EXTERNALLY ADJUSTABLE DUTY CYCLE  
A power controller having externally adjustable duty cycle provides an inversely proportional relationship between duty cycle and input voltage and creates a conversion curve associated with the...
US20110133661 POWER SUPPLY SYSTEMS WITH CONTROLLABLE POWER  
A power supply system includes a power converter, a switch, and a controller. The power converter is operable for providing power to a load. The switch is coupled to the power converter and is...
US20130169262 Methodology for Controlling A Switching Regulator Based on Hardware Performance Monitoring  
A methodology for regulating power supplied to a powered component based on hardware performance, such as may be used in a system that includes the powered component and a switching regulator (EMU...
US20140339995 SINGLE PIN CONTROL OF BIPOLAR JUNCTION TRANSISTOR (BJT)-BASED POWER STAGE  
A power stage for light emitting diode (LED)-based light bulbs may include a bipolar junction transistor (BJT). The base of BJT switch may be biased externally and the operation of the BJT may be...
US20110089920 ARCHITECTURE OF CONTROLLING A DUAL POLARITY, SINGLE INDUCTOR BOOST REGULATOR USES AS A DUAL POLARITY SUPPLIES IN A HARDDISK DRIVE DUAL STAGE ACTUATOR (DSA) DEVICE  
A dual supply circuit uses a dual feedback control, single inductor, dual polarity boost architecture with a low side power FET for end of current recirculation sensing. A dual feedback system...
US20080278139 SLEEP CURRENT ADJUSTING CIRCUIT OF SYSTEM ON CHIP  
There is provided a sleep current adjusting circuit of a system on chip including: a regulator supplying a turn-on voltage and a normal current when a mode selection signal is a normal mode...
US20130069618 MOMENTARILY ENABLED ELECTRONIC DEVICE  
A method and apparatus for providing intermittent or interruptible power to an electronic device. The circuit may provide power upon user initiation and interrupt that power in response to a user...
US20140002053 Power supply modulation method and power supply modulator  
A modulation method and modulator for an envelope tracking power supply. An output of a multi-level switching regulator (202) in the envelope tracking power supply modulator is in parallel...
US20090206819 DC-DC CONVERTER FOR A LOW POWER ELECTRONIC CIRCUIT  
The DC-DC converter (21) is for integration in a low power transceiver (100). The converter is able to supply an output voltage that is higher than the input voltage. The converter includes two...
US20150115931 POWER SUPPLY DEVICE, POWER SUPPLY SYSTEM AND METHOD FOR CONTROLLING THE SAME  
A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with...
US20090295362 Voltage boost circuit without device overstress  
A voltage boost circuit is driven with a clock signal CLK which toggles between voltages V1 and V2. A first MOSFET is coupled between CLK and an output node OUT, and at least one additional MOSFET...
US20130314070 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...
US20130147459 METHOD FOR CORRECTING CURRENT OF PWM CONVERTER  
The present invention relates to a method for compensating a current of a DC/DC converter that detects an average value of a pulsatory current that is output as a chopping wave form from an...
US20090237065 Push-On/Push-Off Power-Switching Circuit  
An electrical power-switching circuit controls power to an electronic device. In some embodiments, the circuit consists of only transistors, resistors, and capacitors, making it small, low cost,...
US20070285077 Controller for DC-DC converter  
A DC-DC converter for preventing through current from causing erroneous operation of an ideal diode. A first transistor for receiving input voltage is connected to an ideal diode, which includes a...
US20100013453 DC/DC CONVERTER, COMPUTER SYSTEM HAVING THE SAME, AND DC/DC CONVERSION METHOD  
A computer system including the same, and a DC/DC conversion method. The DC/DC converter includes: a filter part receiving an input voltage and outputting an output voltage converted in level from...
US20080272099 System and Method for Controlling Harmonics Injected onto an Input Line by a Welding-Type System  
A system and method for operating an inverted-based power source includes a power input configured to receive alternating current (AC) power and a rectifier configured to convert the AC power to...
US20100085032 Boost Device for Voltage Boosting  
A boost device boosts an input voltage to an output voltage across an output capacitor, and includes first and second output diodes coupled to the output capacitor, and a transformer coupled to...
US20070216391 CONTROLLER  
A controller (1) comprises a comparator (10) which compares an input signal (Vo) with a reference signal (Vr) to obtain an error signal (ER). An integrator (11) applies an integrating action on...
US20110062940 High Efficiency Charge-and-Add Adjustable DC-DC Converter  
A charge-and-add DC-DC voltage converter design using a switch network that toggles between two states, either simultaneously charging a flying capacitor (one or any number) or creating a DC...

Matches 1 - 50 out of 87 1 2 >