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9240737 Control device for switching power supply circuit, and heat pump unit  
A mode controller shifts, along with increase in an electric power in first and second of chopper circuits and, operation modes of the first and the second of the chopper circuits from a first...
9065338 Multi-phase DC-DC converter supplying power to load with plural power stages and information processing device including the same  
There is provided a DC-DC converter which converts an input voltage into an output voltage for supply to a load, in which an input terminal receives the input voltage, an output terminal outputs...
9041457 Electronic apparatus having a diode connected to a control terminal of a switching element  
An electronic apparatus includes a switching element which has a control terminal and is driven by controlling voltage of the control terminal, a driving power supply circuit which supplies...
9035628 Multi-channel power supply and current balancing control method thereof  
The multi-channel power supply comprises a first channel, a second channel, a current sensing module, a current average control circuit, and a modulator. The first channel and the second channel...
9024598 Converter control device  
Provided is a converter control device which detects an on-failure of an auxiliary switch constituting an auxiliary circuit of a soft switching converter and can prevent element failures. A...
9024600 PWM control apparatus for average output current balancing in multi-stage DC-DC converters  
Pulse width modulation controller apparatus and techniques are presented for balancing output currents of DC-DC converter stages in a multi-stage DC-DC conversion system in which a reference...
9024599 Multi-phase DC-DC power converter  
A multi-phase DC-DC power converter is provided, which includes a pulse width modulation (PWM) controller and a plurality of output stage circuits. The plurality of output stage circuits converts...
9018576 Low drop-out regulator with distributed output network  
Disclosed is a low drop-out voltage regulator circuit with a distributed output network coupled to a pixel array for use in image sensor circuitry. The regulator circuit comprises voltage...
9013159 Parallel-operating power supply system  
Each of master and slave switching power supply apparatuses (2m, 2s) has an IGBT (10m or 10s) switching-controlled by a PWM pulse signal produced, based on a clock signal, by a switching device...
9007043 Parameter adjustment depending on resonant frequency of a power supply  
According to example configurations herein, a controller receives a value indicative of a number of phases in a power supply to be activated for producing an output voltage to power a load. A...
9008251 Adaptive phase-shifted synchronization clock generation circuit and method for generating phase-shifted synchronization clock  
The present invention discloses an adaptive phase-shifted synchronization clock generation circuit and a method for generating phase-shifted synchronization clock. The adaptive phase-shifted...
9007044 Constant current driving device having an improved accuracy  
An embodiment of a driving device is proposed for supplying at least one regulated global output current to a load. The driving device includes programming means for programming a value of the...
9001098 Power supply and display apparatus having the same  
A power supply system includes a control unit comprising a detecting and converting unit that is operable to generate a detected current based on a difference between a set voltage and a voltage...
9000741 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...
9000601 Power semiconductor module  
The respective main electrodes of the semiconductor switching elements such as IGBTs, which are respectively mounted on the plurality of insulating boards, are electrically connected to each other...
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...
8994348 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Multi-phase DC-DC converter supplying power to load with plural power stages and information processing device including the same
 
There is provided a DC-DC converter which converts an input voltage into an output voltage for supply to a load, in which an input terminal receives the input voltage, an output terminal outputs...
8988049 Multiple switch power stage control tracking PCM signal input  
A DC power stage provides a power output that tracks a PCM signal input. A mapping unit generates an integer number of N digital PWM signals each switched at a same switching frequency by...
8988059 Dynamic switch scaling for switched-mode power converters  
Techniques for optimizing the trade-off between minimizing switching losses and minimizing conduction losses in a buck converter. In an aspect, each of a high-side switch and a low-side switch may...
8988053 Multiphase DC-to-DC converter  
A multiphase DC-to-DC converter is disclosed herein, which includes at least one DC-to-DC converting module. Each DC-to-DC converting module at least includes a first output inductor, a second...
8981743 Constant-on-time multi-phase switching voltage regulator and related method of generating a regulated voltage  
A switching voltage regulator including a comparison module configured to receive a reference voltage and a feedback voltage and to generate a comparison signal corresponding to a difference...
8981589 Switched battery and capacitor arrangement and related operating methods  
Systems and methods are provided for regulating the state of charge of a battery. An exemplary electrical system includes a fuel cell coupled to a bus and a battery coupled to the bus via a...
8975881 Boost converter circuit  
A boost converter circuit includes a first boost module, a first detecting unit, a second boost module and a first detecting unit. The first boost module includes a first comparing control unit....
8975880 Internal capacitor linear regulator with transient dip compensator for internal-switch switching regulator  
A switching regulator arrangement utilizes internal capacitors rather than external capacitors for driving output power transistors. Low-dropout linear voltage regulators together with a dip...
8963521 Power supply with a magnetically uncoupled phase and an odd number of magnetically coupled phases, and control for a power supply with magnetically coupled and magnetically uncoupled phases  
An embodiment of a power supply includes an input node operable to receive an input voltage, an output node operable to provide a regulated output voltage, an odd number of magnetically coupled...
8957547 Uninterruptible power supply  
An uninterruptible power supply (UPS) includes a rectifier, a buck converter, a solar energy module, a boost converter, a controller, and a power distribution unit (PDU). The solar energy module...
8957660 Current balance circuit and multiphase DC-DC converter and current balance method thereof  
The present invention discloses a current balance circuit for a multiphase DC-DC converter. The current balance circuit comprises a current error calculation circuit, for generating a plurality of...
8952667 Switching power supply circuit  
A master transistor and a slave transistor are both insulated gate bipolar transistors. A slave diode is connected in anti-parallel to the slave transistor. The master transistor is brought into...
8922187 Buck DC-DC converter with improved accuracy and stability  
A buck switching regulator includes a feedback control circuit including a balanced feedback network including first and second gain circuits configured to generate first and second feedback...
8912775 Power factor correction circuit having multiple switched-mode converter circuits  
A power factor correction circuit is provided which may include a first switched-mode converter circuit comprising a first inductor, at least one second switched-mode converter circuit having a...
8907642 Systems and methods for DC-to-DC converter control  
A regulated, power supply system is described using multiphase DC-DC converters with dynamic fast-turnon, slow-turnoff phase shedding, early phase turn-on, and both load-voltage and...
8901903 Digital stress share method  
The Application is directed at arrangements at which switch mode power converters share a common load. More particularly, the application provides a masterless arrangement in which no single...
8901909 Multi-phase power system with redundancy  
An integrated circuit device for delivering power to a load includes a controller circuit, a cascade circuit, and a power delivery circuit. The controller circuit generates a plurality of control...
8896279 Multi-phase non-inverting buck boost voltage converter  
A multi-phase non-inverting buck boost voltage converter has a plurality of buck boost voltage regulators. Each regulator is associated with a separate phase for generating a regulated output...
8896280 Switching regulator with increased light load efficiency  
A switching regulator includes a multiphase converter which includes a plurality of main phases configured to covert a power supply voltage to a lower voltage for application to an electronic...
8878502 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Control device for switching power supply circuit, and heat pump unit
 
A mode controller shifts, along with increase in an electric power in first and second of chopper circuits and, operation modes of the first and the second of the chopper circuits from a first...
8878501 Multi-phase power block for a switching regulator for use with a single-phase PWM controller  
A multi-phase power block for a switching regulator includes a phase control circuit, N power cells and a current sharing control circuit. The phase control circuit is configured to receive a...
8866455 Power factor correction circuit  
There is provided a power factor correction circuit including: a main switching unit including a first main switch and a second main switch performing a switching operation to regulate a phase...
8860390 Switching power supply opposite polarity inductor arrangement  
A switching power supply circuit has a controller, a power switch, and an inductor circuit that is coupled to a power node of the power switch and to a capacitor. The inductor circuit has several...
8854021 DC-DC converter and DC-DC conversion method  
A DC-DC converter has a plurality of DC-DC converting units, a plurality of inductor elements, a plurality of duty detection circuits, and a duty adjustment circuit configured to compare output...
8854020 Multiple-level switched-mode power supply  
A circuit for providing at least two power supply voltages from a D.C. voltage provided by a first switched-mode converter between a first and a second terminals, wherein: a second reversible...
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...
8836300 Step-down switching regulator  
A step-down switching regulator includes a switching element performing switching in accordance with an input control signal to charge an inductor with an input voltage; a synchronous...
8836301 Power supply unit  
A power supply unit includes first and second sub-power supply module, each having first and second inductor, first and second switching element which switches current supplied from an input power...
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...
8836306 Multi-phase power system with redundancy  
An integrated circuit device for delivering power to a load includes a controller circuit, a cascade circuit, and a power delivery circuit. The controller circuit generates a plurality of control...
8829868 Power converter apparatus and method with output current sensing and compensation for current limit/current share operation  
A power converter provides current limit/current share functionality, allowing use in a point-of-load architecture and/or in parallel with one or more other power converters. An inner current...
8830703 Power supply apparatus having plural converters and a zero crossing signal output unit  
The power supply apparatus includes a first control part that controls a switching operation of a first converter, a second control part that controls a switching operation of a second converter,...
8829872 Systems and methods for dropping and/or adding phases in multiphase regulators  
Methods and systems for dropping and/or adding phases in multiphase regulators according to various aspects of the present invention may operate in conjunction with multiple output circuits...
8816656 Electronic device for switched DC-DC conversion having high-efficiency at high load and low load and method for operating the same  
An electronic device for switched DC-DC conversion of an input voltage level into an output voltage level, comprising a first power switch and a second power switch, being connected in parallel...