Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 72,490

Document Document Title
WO/2019/213673A1
A power supply circuit includes at least two input terminals that receive an input voltage, a transformer including a primary side electrically connected to the input voltage, a rectifier electrically connected to a secondary side of the...  
WO/2019/212107A1
An LLC resonant converter and a method of operating same are disclosed. An LLC resonant converter according to one aspect of the present embodiment, comprises: a primary circuit for converting a DC input voltage Vin into an AC voltage ha...  
WO/2019/212342A1
Electric power converter unit for converting Direct Current to Direct Current, DC-DC, said converter unit comprising: a single stage DC- DC converting module (3), arranged for connecting with an energy harvesting module (2) for receiving...  
WO/2019/210918A1
The present invention relates to electronic power circuits and their use in power converters and in modular multi-level converters (MMCs) comprising such power converters.  
WO/2019/212609A1
A reconfigurable power converter (100) is provided that includes a pulse-width modulation (PWM) controller (102). The PWM controller is configured to switch between a first modulation scheme and a second modulation scheme when a current-...  
WO/2019/211431A1
Embodiments described herein introduce two sets of methods for limiting the voltage stress across switches in multi-level flying capacitor step-down de-de converters during the start-up sequence.Systems, devices, apparatuses, controllers...  
WO/2019/211286A1
The present disclosure relates to a resonant type power factor correction AC-DC converter comprising: an AC side circuit having a first AC connection (aca+) and a second AC connection (aca-) defining an AC side input port, wherein the fi...  
WO/2019/210654A1
Disclosed in the present application are a system and method for regulating output voltage of a switching power supply of a server, the system comprising a level control module, a switching power supply control chip and a plurality of re...  
WO/2019/210518A1
Provided are a buck conversion circuit assembly and an electronic device. The buck conversion circuit assembly comprises a box, a buck conversion circuit, a heat sink, and a fan; the box comprises multiple sidewalls, a sealed accommodati...  
WO/2019/211284A1
The present disclosure relates to a switched mode bidirectional AC-DC converter comprising: an AC side circuit comprising at least two AC power switch pairs comprising a diode and an active switch arranged in parallel; a DC side circuit;...  
WO/2019/212147A1
There is provided an adaptor, which includes an input circuit that rectifies an alternating current (AC) power input from outside the adaptor to a direct current (DC) voltage; a first converter that converts the rectified DC voltage to a...  
WO/2019/208325A1
This control device is provided with: a distortion measuring unit which is provided with a rectifier circuit, a reactor, and a switching element, and which measures current distortion in a converter for converting alternating-current pow...  
WO/2019/207747A1
Provided is a switching power supply device with which it is possible to achieve multi-phasing and current balancing simply using a number of operation phases corresponding to the amount of load. The switching power supply device is prov...  
WO/2019/209960A1
A gate drive adapter circuit (104) includes an input circuit (116), an output circuit (118), and a charge pump circuit (120). The input circuit (116) is configured to receive pulses suitable for controlling a silicon power transistor. Th...  
WO/2019/208184A1
An electric power converter 10 according to the present invention is provided with: a first electric power conversion circuit board 20 on which a first heat-generating component 25 is mounted; a second electric power conversion circuit b...  
WO/2019/208318A1
This power conversion device (2) is provided with: a plurality of leg circuits each including two switch circuits connected in series with each other between input terminals (P1, P2); a transformer (T1) equipped with a primary winding ha...  
WO/2019/206230A1
Disclosed are a DCDC converter, a vehicle-mounted charger and an electric vehicle. The DCDC converter comprises a first adjustment module, a resonance module, a second adjustment module, and a controller. The first adjustment module is u...  
WO/2019/209466A1
A semiconductor device for a USB Type-C cable includes a first terminal to couple to a first VCONN line from a first end of the cable, a second terminal to couple to a second VCONN line from the second end of the cable, a charge pump, an...  
WO/2019/209552A1
An output capacitor of a switching converter filters the triangular current waveform output by an inductor. An auxiliary capacitor, having a capacitance that is much smaller than a capacitance of the output capacitor, is coupled in paral...  
WO/2019/208250A1
This power supply device is provided with: a first heat-generating component; a case which contains the first heat-generating component; a resin material which is filled into the case, while being formed into a box-like shape that opens ...  
WO/2019/208173A1
In the present invention, a power source circuit includes a switching element that is connected to a current path between an input terminal and an output terminal, and a smoothing capacitor that is connected between the output terminal a...  
WO/2019/206068A1
The present invention provides a PFWM control system for a switched-mode power supply circuit, for controlling an output voltage, an output current, or an output power of the switched-mode power supply. The PFWM control system for the sw...  
WO/2019/206067A1
The present invention provides a switched-mode power supply circuit, comprising a boost inductor, a boost capacitor, an energy storage capacitor, a transformer or a DC-DC inductor, a first switch device, an output rectifier element, a fi...  
WO/2019/208472A1
In this tapped inductor type switching power source, the load on a switching element is reduced, and it is possible to respond quickly and stably to wide-range variation in an output voltage and an output current. This tapped inductor ty...  
WO/2019/206733A1
Inductor assembly (100) for a single or multi-phase and/or interleaved converter comprising: • - a plurality of first conductors (112, 114, 116) arranged on respective legs of a first magnetic core (110), • - a second core (120) comp...  
WO/2019/206612A1
The invention relates to a DC/DC converter (200) for resonant operation with potential separation, comprising: a transformer (230) having a primary-side and a secondary-side inductance (231, 232); an inverter arrangement (110) that is co...  
WO/2019/208008A1
The present invention achieves high efficiency of a power conversion device while suppressing the increase of size and cost. In a DC-DC converter 100, a control circuit 50 controls an output switching circuit 30 so that current flows thr...  
WO/2019/206231A1
Disclosed are a DCDC converter, a vehicle-mounted charger and an electric vehicle. The DCDC converter comprises a first three-phase bridge module, a resonance module, a second three-phase bridge module, and a controller. The first three-...  
WO/2019/205740A1
A zero-output ripple converter; the magnetic core shape of a transformer is changed in that a magnetic column is added on the basis of an original converter structure, and a three-magnetic column magnetic core is changed into a four-magn...  
WO/2019/210167A1
A method is disclosed for balancing loss energy distribution in a drive circuit which drives a resonant load. The method includes the steps of using a plurality of switches to modulate a flow of electrical energy to a resonant load, and ...  
WO/2019/205104A1
A power supply circuit and device, comprising: the circuit comprises multiple channels, and at least one channel in the multiple channels comprises a first switch tube (M1'), a second switch tube (M2'), a third switch tube (M1), a fourth...  
WO/2019/207663A1
The output voltages of a plurality of chopper circuits 100, 200 are controlled by an average value of the on-duties of respective semiconductor switching elements 102, 202. Therefore, this power conversion device has: a branch flow contr...  
WO/2019/206229A1
Disclosed are a DCDC converter, a vehicle-mounted charger and an electric vehicle. The DCDC converter comprises a first adjustment module, a resonance module, a second adjustment module, and a controller. The first adjustment module is u...  
WO/2019/207689A1
This in-vehicle battery charging device (1) is provided with: a substrate (2) having a hole (21); a heat dissipating portion (11) facing the substrate (2); a heat dissipating member (12) facing the hole (21) and disposed on the substrate...  
WO/2019/206706A1
The invention relates to a three-phase transformer, having three windings on the primary side and three windings on the secondary side, wherein the winding axes of the pairs of windings that are associated with the same phase coincide, t...  
WO/2019/205249A1
A transformer (100), a power supply device (110), and an electronic microwave cooking device (200). The transformer (100) comprises a primary winding (10) and a secondary winding (20). The secondary winding (20) is spaced apart from the ...  
WO/2019/206550A1
An inverter circuit arrangement that connects an IO-link master with a slave comprises an AB class transistor circuit (Qnc2, Qpc2) of which the currents are replicated by a current mirror (Qpo1, Qno1, Qpo2, Qno2) to a terminal of the sla...  
WO/2019/209443A1
A capacitor discharge circuit for discharging a capacitor to a discharge load. The discharge circuity includes current level sensing circuitry for producing a control signal circuity response to current passing to the discharge load. The...  
WO/2019/203355A1
An adjustment circuit 9 is connected between a power generation circuit 8 that converts environmental energy into electrical power and a power conversion circuit 11 that converts the power generation circuit 8 electrical power into a des...  
WO/2019/201854A1
A charge pump circuit (10) comprises a series circuit of a number N of stage circuits (11 to 14). A stage circuit (11 to 4) comprises a converter circuit (17, 27 to 29), a stage output (16, 24 to 26), a stage input (15, 21 to 23) coupled...  
WO/2019/201426A1
A drive unit (10) for at least one electric motor (14) of a robot (12), the drive unit (10) comprising at least one inverter (16); a power source (18); a DC bus (22); a DC bus energy storage (24) arranged on the DC bus (22); a DC bank en...  
WO/2019/202744A1
The purpose of the present invention is to achieve, during switching of voltage between a plurality of different voltages, high-speed control and a smooth and stable transition between high-side power and low-side power. The DC/DC conver...  
WO/2019/200817A1
A control device for a switching voltage regulator having a high-side switch and a low-side switch to supply a switching voltage to a load includes a comparator configured to compare the switching voltage with a reference voltage to prov...  
WO/2019/200812A1
The present invention provides a soft switching circuit, comprising an LLC resonant converter, and further comprising a control device, a switching MOS tube Q3, a switching MOS tube Q4, a capacitor C1, and a capacitor C2. The two ends of...  
WO/2019/202746A1
In a discrete constant voltage control which carries out a voltage switch between different voltage levels, the present invention suppresses the influence of low-speed output detection voltage, carries out a high-speed transition under s...  
WO/2019/200900A1
A power supply system having a stable loop circuit, comprising: a pulse width modulation driver (10); a PMOS transistor (PM1); an NMOS transistor (NM1); a first comparator (20); a voltage control circuit connected between a comparison ou...  
WO/2019/202745A1
The present invention suppressed influence of control due to the delay time in voltage switching between a plurality of different voltages. A DC/DC converter comprises: a main circuit including a switching circuit; a control unit that pe...  
WO/2019/202714A1
This insulated power supply circuit is provided with: a power supply input circuit including a switching control circuit and a switching element which are connected to a transformer winding; and two system power supply output circuits in...  
WO/2019/202862A1
The gate drive circuit (GD1) is provided with: a first switching element (SW1) connected between a positive electrode of a direct-current power source (3) and a first node (N1); a second switching element (SW2) connected between a negati...  
WO/2019/198547A1
This control device (30) is applied in a power conversion device (100) that converts an AC voltage from an AC power source (200) into a DC voltage. The control device (30) outputs an operation signal for operating a drive switch by peak ...  

Matches 1 - 50 out of 72,490