218 patents
Page 5 of 11
Utility
Inductive charging circuit to provide operative power for a controller
22 Feb 22
An inductive charging circuit coupled to a winding of a power converter and a supply terminal of a controller of the power converter.
Arthur B. Odell
Filed: 19 Feb 20
Utility
Methods and apparatus for biasing a magnetic circuit to reduce audible noise from a switching power supply
15 Feb 22
Presented herein are methods and apparatus for biasing magnetic circuits to reduce audible noise from a switching power supply.
William M. Polivka
Filed: 18 Mar 20
Utility
Protective Insulator for Hfet Devices
13 Jan 22
An HFET includes a first and second semiconductor material.
Alexey Kudymov, Linlin Liu, Xiaohui Wang, Jamal Ramdani
Filed: 29 Jun 21
Utility
Controller for a semiconductor switch can include a transmitter and receiver that communicate across galvanic isolation using an inductive coupling
11 Jan 22
A controller comprising a driver interface referenced to a first reference potential, a drive circuit referenced to a second reference potential, and an inductive coupling.
Olivier Garcia, Jan Thalheim, Didier Raphael Balli, Matthias Peter
Filed: 21 Jan 20
Utility
Method and apparatus for sequencing outputs in a multi-output power converter system
28 Dec 21
Apparatus and methods for sequencing outputs in a multi-output power converter system are disclosed herein.
Karl Moore, Matthew David Waterson, Antonius Jacobus Johannes Werner
Filed: 16 Jan 19
Utility
Apparatus and Methods for Controllable Networks to Vary Inter-stage Power Transfer In a Multi-stage Power Conversion System
23 Dec 21
Apparatus and methods for controllable networks to vary inter-stage power transfer in a multi-stage power conversion system are disclosed herein.
Robert J. Mayell, Yueming Wang
Filed: 11 Dec 19
Utility
Multi Zone Secondary Burst Modulation for Resonant Converters
9 Dec 21
A power converter controller includes a control loop clock generator to generate a switching frequency signal responsive to a burst load threshold, a power signal, and a load signal.
Robert J. Mayell, Yueming Wang, Roger Colbeck
Filed: 30 Jun 21
Utility
Apparatus and methods for controlling a switch drive signal following mode transitions in a switching power converter
7 Dec 21
A controller for use in a power converter that is configured to operate in a plurality of modes including a first mode and a second mode includes a frequency monitor module coupled to measure a signal characteristic of a switch drive signal coupled to control switching of a switches block of the power converter.
Roger Colbeck, Robert J. Mayell, Hartley Fred Horwitz, Lino Del Pup
Filed: 26 Nov 19
Utility
Controller with Frequency Request Circuit
11 Nov 21
A controller comprising a regulation circuit and a frequency request circuit.
Sundaresan Sundararaj, Zhao-Jun Wang, Tiziano Pastore, Lance M. Wong
Filed: 11 May 20
Utility
Method and Apparatus for Continuous Conduction Mode Operation of a Multi-output Power Converter
11 Nov 21
Methods and apparatus for continuous conduction mode operation in multi-output power converters are described herein.
KARL MOORE, ANTONIUS JACOBUS JOHANN WERNER
Filed: 23 Jul 21
Utility
Low common mode noise transformer structure with external float wire mount
2 Nov 21
A transformer structure is disclosed to reduce common mode noise on an output load.
Kyunghoon Hwang
Filed: 6 May 19
Utility
Modulating Jitter Frequency As Switching Frequency Approaches Jitter Frequency
28 Oct 21
A method for providing a jitter signal for modulating a switching frequency of a power switch for a power converter.
Giao Minh PHAM, Lance M. WONG
Filed: 2 Jul 21
Utility
Output-side Controller with Switching Request at Relaxation Ring Extremum
21 Oct 21
A control circuit comprising an output controller coupled to an output side of a power converter.
BALU BALAKRISHNAN, DAVID MICHAEL HUGH MATTHEWS, VIKRAM BALAKRISHNAN, ROLAND SYLVERE SAINT-PIERRE, ZHAO-JUN WANG, GIAO MINH PHAM, QING MCINTOSH
Filed: 30 Jun 21
Utility
Gate stack for heterostructure device
7 Sep 21
A heterostructure semiconductor device includes a first active layer and a second active layer disposed on the first active layer.
Jamal Ramdani
Filed: 12 Oct 18
Utility
Method and apparatus for continuous conduction mode operation of a multi-output power converter
31 Aug 21
Methods and apparatus for continuous conduction mode operation in multi-output power converters are described herein.
Karl Moore, Antonius Jacobus Johannes Werner
Filed: 29 Mar 19
Utility
Inductive Charging Circuit to Provide Operative Power for a Controller
19 Aug 21
An inductive charging circuit coupled to a winding of a power converter and a supply terminal of a controller of the power converter.
ARTHUR B. ODELL
Filed: 19 Feb 20
Utility
Signal amplifier with calibrated reference
17 Aug 21
A signal amplifier for use in a power converter includes a variable reference generator coupled to generate a reference signal in response to a dimming control signal.
Lance M. Wong, Qing McIntosh, Zhao-Jun Wang
Filed: 30 Jan 18
Utility
Secondary controller for use in synchronous flyback converter
10 Aug 21
A secondary controller for use in a power converter includes a drive circuit coupled to a secondary side of the power converter.
Sheng Liu, Alex B. Djenguerian
Filed: 19 May 16
Utility
Process and Structure for a Superjunction Device
5 Aug 21
A superjunction device comprising a drain contact, a substrate layer above the drain contact, an epitaxial layer above the substrate layer, a P+ layer above the epitaxial layer formed by P-type implantation to a bottom of the superjunction device, a trench with a sloped angle formed by use of a hard mask layer.
Alexei Ankoudinov, Sorin S. Georgescu
Filed: 31 Jan 20
Utility
Modulating jitter frequency as switching frequency approaches jitter frequency
3 Aug 21
A controller for use in a power converter including a jitter generator circuit coupled to receive a drive signal from a switch controller and generate a jitter signal.
Giao Minh Pham, Lance M. Wong
Filed: 14 Feb 20