247 patents
Page 3 of 13
Utility
Totem pole bridgeless PFC power converters
5 Sep 23
An electric power supply includes a totem pole bridgeless PFC power converter.
Jun Liu, Guangqun Li, Liren Wang
Filed: 24 May 18
Utility
Resonant converter
5 Sep 23
This disclosure describes systems, methods, and apparatus for controlling a voltage provided to a plurality of configurable output modules using a resonant converter, the resonant converter comprising: an inverter circuit; a resonant capacitor bridge coupled across the inverter circuit; N groups of output modules, each of the N groups comprising terminals configured for coupling to up to M output modules, the output modules each comprising: a transformer having a primary and a secondary; and a rectified output coupled to the secondary and configured for coupling to a load; and a resonant inductor network configured to be coupled between the resonant capacitor bridge and the primaries of the transformers, the resonant inductor network comprising: at least one parallel inductor; and N parallel branches arranged in parallel and each branch comprising a series inductor, each of the series inductors configured for transformer-coupling to up to M output modules.
Richard Morrison
Filed: 15 Apr 21
Utility
Switch-mode AC-DC power converter for reducing common mode noise
5 Sep 23
A switch-mode AC-DC power converter includes a pair of input terminals, a pair of output terminals, and four switches coupled in a bridgeless totem-pole circuit arrangement between the pair of input terminals and the pair of output terminals.
Zhihua Gu, Siu Chik Wong, Kim Ly Kha
Filed: 4 Nov 21
Utility
Control Circuits and Methods for Regulating Output Voltages
17 Aug 23
A method of regulating an output voltage of a switched mode power supply having a variable input voltage and at least one power switch is provided.
Bing Zhang, Lian Liang, Mei Qin, Xiaodong Fan, Guozhen Wang
Filed: 5 Nov 20
Utility
Voltage sense circuit
15 Aug 23
power supply module comprises a voltage converter coupled to first and second inputs.
Weng Fai Ng
Filed: 4 Nov 21
Utility
Bias Supply with Resonant Switching
10 Aug 23
Bias supplies and plasma processing systems are disclosed.
Maneesh Kumar Singh
Filed: 26 Jan 22
Utility
Control of rail voltage in multi-level pulsing RF power amplifier
8 Aug 23
This disclosure describes systems, methods, and apparatus for generating a multi-level pulsed waveform using a DC section and a power amplifier.
Chad S. Samuels
Filed: 7 Sep 21
Utility
Power measurements in switched mode power supplies
1 Aug 23
A switched mode power supply (SMPS) includes a filter (202), a power factor correction (PFC) circuit (204), and a control circuit (206, 406) configured to determine various electrical parameters of the SMPS.
PengFei Li, XiaoLin He, HaiJun Zhang, XunJiang Dai, Liang Meng
Filed: 23 May 22
Utility
Active Switch on Time Control for Bias Supply
27 Jul 23
Bias supplies and plasma processing systems are disclosed.
Maneesh Kumar Singh, Hien Minh Nguyen
Filed: 26 Jan 22
Utility
Transformers for multiphase power converters
25 Jul 23
A transformer for a multiphase power converter includes a magnetic structure, a first coil configured to electrically couple to an input circuit or an output circuit of a subconverter of the multiphase power converter, and a second coil configured to electrically couple to an input circuit or an output circuit of another subconverter of the multiphase power converter.
Todd Martin Schaible
Filed: 6 Apr 20
Utility
Series stack switch circuit with voltage clamping and power recovery
25 Jul 23
Various embodiments are directed to a switch circuit comprising: two terminal nodes, comprising an upper node and a lower node; a plurality of switch modules, connected in series between the upper node and the lower node, wherein each of the switch modules comprises a switch, a rectifier, and a capacitor; a connecting circuit, coupled to the switch modules; and a power converter, coupled to the connecting circuit and to a power sink.
Gideon Van Zyl
Filed: 23 Dec 21
Utility
Solid-state Match (Ssm)-generator Synchronization
20 Jul 23
This disclosure describes systems, methods, and apparatuses for a power system comprising a generator connected to a solid-state match network and a synchronization module connected to the generator and the solid-state match network, wherein the synchronization module is configured to synchronize a power delivered by the generator to the match network with the opening and closing of switches in the solid-state matching network.
Gideon Van Zyl
Filed: 17 Jan 23
Utility
Two-stage Solid-state Match
20 Jul 23
This disclosure describes systems, methods, and apparatuses for a two-stage solid state match having a load side and a source side; a first coarse stage and a second precision stage, wherein the first coarse stage is coupled between the second precision stage and the load side, and wherein the second precision stage is coupled between the source side and an input of the first coarse stage; the coarse first stage comprising at least one switched variable reactance element, wherein the coarse first stage is configured to map a load impedance connected to the load side to a first number of intermediate impedances at the input of the first coarse stage; and wherein the second precision stage is configured to map at least one of the intermediate impedances to a second number of input impedances at the source side.
Gideon Van Zyl
Filed: 16 Jan 23
Utility
Voltage clamp and current clamp systems with power recovery
18 Jul 23
Various embodiments are directed to a voltage clamp system comprising: a rectifier; a protected node, a reference node, and one or more internal nodes, coupled to the rectifier; a power converter, coupled to the rectifier via the one or more internal nodes; and one or more output nodes coupled to the power converter and configured to couple to a power sink.
Gideon Van Zyl
Filed: 13 Apr 21
Utility
Fiber optic temperature probe
4 Jul 23
A fiber optic temperature probe is disclosed.
Terry Stapleton, Jason Errett
Filed: 28 Oct 20
Utility
Systems and methods for monitoring serial communication between devices
27 Jun 23
A system for monitoring inter-integrated circuit (12C) communication includes a power supply, a battery backup unit, an 12C serial clock line (SCL) coupled between the power supply and the battery backup unit, an 12C serial data line (SDA) coupled between the power supply and the battery backup unit, and a controller.
Donald Cedrick Ongyanco
Filed: 19 Nov 21
Utility
Programmable ignition profiles for enhanced plasma ignition
27 Jun 23
Generators and methods for igniting a plasma in a plasma chamber are disclosed.
Mike Armstrong, John Accardo, Daryl Frost
Filed: 29 Apr 20
Utility
Multiphase interleaved forward power converters including clamping circuits
30 May 23
A multiphase interleaved forward power converter includes an inductor and first and second subconverter comprising respective transformers.
John Faustino Begino, III, Nathaniel Franco Neri
Filed: 1 Apr 22
Utility
Input overvoltage protection circuits for power supplies
30 May 23
A power supply includes a power converter, a protection circuit, and a control circuit.
Ruel Joyosa Tolentino, Jahres Rederi Masangkay Satur, Khanderao Madhav Gaikwad
Filed: 8 Feb 22
Utility
Inrush Current Limiting and Surge Protection Circuit and System
25 May 23
A power device is provided.
Yongtao Xie, Pengfei Cai, Wenchao Que
Filed: 31 Oct 22