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Matches 1 - 50 out of 68,544

Document Document Title
WO/2018/071449A1
Disclosed examples relate to a power conversion system configured to provide a power output from an arrangement of direct current (DC) power sources. One example power conversion system includes multiple power sources PV(n), n=1 to x, co...  
WO/2018/070185A1
The present invention addresses the problem that circuit elements are increased by as many as those of a booster circuit added to a DC-DC converter, the problem posing an obstacle to further reducing size and cost. Therefore, according t...  
WO/2018/070231A1
The present invention uses a simpler configuration to achieve a device that makes it possible to switch a supply source to a power storage unit without interrupting the power supply to an object to be supplied with power even when the po...  
WO/2018/069076A1
The invention relates to control of a DC converter having multiple parallel-connected DC converter modules. Here, a common variable for the voltage control is formed for the control of all the DC converter modules. In addition, a separat...  
WO/2018/069771A1
It is often desirable to transmit data between circuits or components operating at a relatively high voltage and circuits operating at a relatively low voltage. Such a task can be performed by use of an isolator. Some isolator designs us...  
WO/2018/069077A1
The invention relates to a control system for a DC-to-DC converter. Variations in the input voltage of the DC-to-DC converter are compensated by means of an estimated value being calculated for the variations, and a control variable bein...  
WO/2018/071819A1
A system may include a charge pump configured to operate in a plurality of modes including a first mode in which the ratio of an output voltage to an input voltage of the charge pump is a first ratio and a second mode in which the ratio ...  
WO/2018/068734A1
A sandwich wound inductance, comprises: a first winding (L1-a), a second winding (L1-b) and a third winding (L1-c), wherein the first winding (L1-a) and the second winding (L1-b) are connected in series; the third winding (L1-c) and the ...  
WO/2018/071366A1
Described herein are power conversion systems and related techniques which utilize a coupled split path (CSP) circuit architecture. The CSP structure combines switches, capacitors and magnetic elements in such a way that power is process...  
WO/2018/068278A1
Provided are a power connection device and a power control system applicable to the technical field of circuits. The power connection device comprises a plurality of battery slots for connecting storage batteries, each of the battery slo...  
WO/2018/066444A1
A DC-DC converter (1) is provided with: a capacitive power converter (10) connected to the side of a first terminal (101); an LC circuit (20), which has an inductor (L10) and a second capacitor (C20), and which is connected to the side o...  
WO/2018/066042A1
A conversion device is provided with: a conversion module having a plurality of phases each having a conversion unit capable of converting voltage and a sensor for detecting a phase current flowing through the conversion unit, wherein sa...  
WO/2018/066177A1
In a DC/DC converter (1), during step-up from an input portion (20A) to an output portion (20B) or during step-down from the output portion (20B) to the input portion (20A), a second driver IC (10B) outputs a control signal to a charge p...  
WO/2018/067218A1
A battery charger for charging a battery with voltage from an input supply and method for using are disclosed. In one embodiment, the battery charger comprises a power path to drive the battery during a pulse charging sequence in a first...  
WO/2018/067501A1
Described examples include a transient event detector circuit (100) to detect transient events in a switching converter, including a DLL circuit (110, 120, 130) to detect changes in a duty cycle of a pulse width modulation signal (PWM) u...  
WO/2018/066881A1
A battery charging method and an electronic device are disclosed. The electronic device can comprise: a connection unit comprising a first terminal to which a voltage is applied by an external device, and a second terminal for transmitti...  
WO/2018/066176A1
A power conversion device for performing power conversion between DC and AC is provided with: a conversion unit constituted by switching elements; an AC reactor connected to the AC side of the conversion unit; a current sensor for detect...  
WO/2018/061590A1
Provided are: a power supply circuit that generates a plurality of different voltages from a battery voltage, while suppressing power loss; and a thermal printing device that is provided with the power supply circuit. A power supply circ...  
WO/2018/061748A1
The present invention performs a quick charging operation based on power from a first power supply part, and performs a charging/discharging operation in which, even when the power supply from the first power supply part is blocked durin...  
WO/2018/063450A1
Systems and methods for driving a low quiescent current DCDC converter are disclosed. An error threshold compensation circuit of the DCDC converter is configured to detect an output voltage of the DCDC converter, compare the output volta...  
WO/2018/061372A1
A power conversion device for a railroad vehicle according to one embodiment of the present invention is configured such that a first power conversion device for converting first DC power from a DC power source into AC power, and a secon...  
WO/2018/061796A1
A power supply system (1A) is provided with: converter units (10a-10c) for generating a direct-current voltage Vout1 upon receiving an alternating-current voltage supplied from an alternating current power supply; and a rectifying/smooth...  
WO/2018/061286A1
Provided is a full-bridge inverter 2 in which a first leg 3 and a second leg 4 are connected in parallel, each leg comprising two switch elements connected in series, wherein the full-bridge inverter includes: a dual leg resonance mode i...  
WO/2018/058950A1
Disclosed is a power supply management circuit and an implementation method therefor. The circuit comprises: an oscillator circuit, a charge pump circuit and a negative feedback circuit. The oscillator circuit is connected to the charge ...  
WO/2018/061749A1
Provided is a technique with which the cycle of a PWM signal can be varied, and with which a minimum unit of ON time set in a PWM signal generating unit can be made effectively smaller than the actual minimum unit. A cycle setting unit (...  
WO/2018/061077A1
Provided is a low cost power conversion device having little energy loss. A power conversion device (100) is provided with: an inverter (20), etc., that performs power conversion; voltage dividing capacitors (Cdc1, Cdc2) connected to a d...  
WO/2018/061424A1
A DC-DC converter 11 converts direct current power supplied from a solar cell 2 into direct current power having a different voltage, then, outputs the direct current power to a direct current bus 30. An inverter 21 converts, into altern...  
WO/2018/060990A1
A digital controller for controlling an average-current-mode voltage regulator with an output connected to a load. The controller comprises a digital voltage-sampling window Analog-to-Digital Converter (ADC), based on Delay-Lines (DLs) a...  
WO/2018/055864A1
This signal output circuit (3, 51, 62, 74, 82) controls the driving of an output transistor (T1, T71, T72, T81 through T86) to output a trapezoidal-wave output signal from a main terminal of the output transistor. The signal output circu...  
WO/2018/057214A1
An apparatus is disclosed, including a driver circuit, a comparator circuit, and a counter circuit. The driver circuit may be configured to source a current to a load circuit. The comparator circuit may be configured to perform a compari...  
WO/2018/057112A1
In a particular implementation, an apparatus to stabilize a supply voltage includes a first current source, a second current source, and a control circuit. The first current source is responsive to a detection signal and has an output co...  
WO/2018/056234A1
Provided are: a switching circuit device whereby efficiency can be improved; a step-down DC-DC converter using the switching circuit device; and an element unit suitable for the switching circuit device and the like. A step-down DC-DC co...  
WO/2018/057225A1
A system (100) that includes a regulator circuit (101) is disclosed. The regulator circuit includes first (201a) and second (201b) phase units whose outputs are coupled to a power supply node (204) of a circuit block, via respective coup...  
WO/2018/054543A1
The invention relates to a system and a method for operating a system, comprising a rectifier that can be supplied by an electric AC voltage supply system, an inverter that feeds an electric motor, and a DC-to-DC converter connected to a...  
WO/2018/058066A1
Voltage regulator systems include, in part, a regulator comprising an input terminal and an output terminal, wherein the regulator is configured to receive an input voltage from an adapter at the input terminal and provide an output volt...  
WO/2018/055979A1
A DC/DC converter module comprising: a substrate; a first ground electrode and a second ground electrode formed on the substrate; a switch-element-equipped IC having an input terminal, an output terminal, and a first earth terminal; a co...  
WO/2018/057217A1
A system that includes a regulator unit is disclosed. The regulator unit includes first and second phase units whose outputs are coupled to through first and second coupled inductors, respectively, to a power supply node of a circuit blo...  
WO/2018/055792A1
Provided is a small and low-cost power conversion device, which is provided with a boost converter and an inverter, and in which a reactor and a capacitor can be reduced in size. This power conversion device is provided with: a boost con...  
WO/2018/056343A1
[Problem] To provide a power reception device that enables power to be transmitted and received efficiently, enables a reduction in noise, a reduction in the amount of heat generated, and the like, and is able to output stable current to...  
WO/2018/054078A1
A direct current to direct current constant voltage conversion circuit (1) and a method. The circuit comprises: a logic control and driving circuit (10); a voltage generating circuit (11) and a detection circuit (12) which are connected ...  
WO/2018/055935A1
This load drive device has: a first capacitor connected to first wiring; a second capacitor connected to second wiring; a first boost circuit, which is connected to a power supply that charges the first capacitor, and which generates, by...  
WO/2018/052985A1
A system and method for bilateral transfer of energy between a single or multi-phase alternating current source and either a monopolar or bipolar direct current source. There is a capacitive column which includes a number of series-conne...  
WO/2018/052498A1
A switched mode power converter has an energy transfer element that delivers an output signal to a load. A power switching device coupled to the primary side of the energy transfer element regulates a transfer of energy to the load. A se...  
WO/2018/051602A1
Each DC/DC converter (10) of the present invention comprises: a transformer (3); first and second switching circuits (4, 5) that comprise a plurality of legs that comprise a plurality of semiconductor switching elements; capacitors (6, 7...  
WO/2018/051084A1
A voltage reducing circuit (102) comprises a power switch circuit portion (105) comprising a high-side (128) and low-side (130) field-effect-transistors connected at a switch node (138). The power switch circuit portion has an on-state w...  
WO/2018/052839A1
An apparatus including an inductor coupled to a load circuit, a control circuit, and a driver circuit. The control circuit may be configured to select a first operating mode in response to a determination that a value of current flowing ...  
WO/2018/052917A1
A charging circuit comprises a power node electrically connectable to a power supply unit, a battery node electrically connectable to a battery, a device node electrically connected to a device load, a reversible buck-boost converter ope...  
WO/2018/052998A1
An energy storage system may include one or more battery packs, wherein one terminal of the one or more battery packs is electrically coupled to a resistor representative of an isolation resistance of the energy storage system, a semicon...  
WO/2018/052489A1
A charge management system including a power distribution bus circuit for distributing energy from a power source to a load, and an intermediate energy storage circuit operably connected to a power distribution bus circuit for aiding in ...  
WO/2018/052516A1
An improved electronic oscillator circuit suitable for use in an isolating DC-to-DC converter circuit, and an improved isolating DC-to-DC converter circuit. In one embodiment, an integrated circuit coupled to a transformer includes an os...  

Matches 1 - 50 out of 68,544