40 patents
Utility
Semiconductor device
18 Jan 24
There is provided a semiconductor device and a method of manufacturing the same.
Michael Fogarty Cahir, Stephen Geoffrey Badcock
Filed: 29 Dec 22
Utility
Signal Boosting In Serial Interfaces and Transmission Cables
28 Dec 23
Signal transmission cables and serial interfaces with built-in signal boosting are provided.
Chi-Wa Lo, Sin Luen Cheung, Yiu Ting Chou
Filed: 2 Aug 23
Utility
LED Color and Brightness Control Apparatus and Method
28 Dec 23
An apparatus includes a bandgap voltage reference configured to generate a current reference for controlling a plurality of light emitting diode channels, a plurality of MOSFET devices connected in parallel and coupled between a cathode of a light emitting diode channel and ground, wherein the plurality of MOSFET devices is configured to control a current flowing through the light emitting diode channel, and a control circuit configured to generate gate drive signals for the plurality of MOSFET devices, wherein the gate drive signals are configured to adjust the current flowing through the light emitting diode channel based on a predetermined color and a predetermined brightness level of the light emitting diode channel.
Dongjie Cheng, Vijay Hugar, Sumit Bhat, Joy Das
Filed: 17 May 22
Utility
Adaptive Minimum Duty Cycle Design to Extend Operational Voltage Range for DCDC Converters
21 Dec 23
A switched mode power supply (SMPS) includes a first switch, a second switch connected, at a switching node, in series with the first switch, and an inductor coupled between the switching node and an output node for providing an inductor current, at the output node.
Wenliang Chen, Jiansong Chen
Filed: 6 Sep 23
Utility
Dynamic Control of Output Driver In a Switching Amplifier
14 Dec 23
An output driver with slew rate control includes an output transistor that includes a control terminal coupled to a switching input signal, a drain node coupled to the output node for coupling to a load device, and a source node coupled to a reference voltage.
Rohit Arora, Dharma R. Kadam
Filed: 9 Jun 22
Utility
LED Color and Brightness Control Apparatus and Method
23 Nov 23
An apparatus includes a plurality of MOSFET device groups connected in parallel, wherein a first common node of the plurality of MOSFET device groups is coupled to a cathode of a light emitting diode channel of a plurality of light emitting diode channels, and a second common node of the plurality of MOSFET device groups is connected to ground, and a control circuit configured to generate gate drive signals for the plurality of MOSFET device groups, wherein the gate drive signals are configured to adjust a current flowing through the light emitting diode channel based on a predetermined color and a predetermined brightness level of the light emitting diode channel, and under different duty cycles, the control circuit is configured to control the current flowing through the light emitting diode channel to be proportional to a corresponding duty cycle.
Dongjie Cheng, Vijay Hugar, Sumit Bhat, Joy Das
Filed: 14 Oct 22
Utility
Semiconductor Schottky Rectifier Device
26 Oct 23
A method for forming a semiconductor Schottky rectifier device includes providing a semiconductor substrate, forming a hard mask for trench etch including openings for guard rings, an anode region, and a cathode region, and etching semiconductor epitaxial material layer to form a plurality of trenches.
Kolins Chao, John Huang
Filed: 14 Jun 23
Utility
Data Correction and Phase Optimization In High-speed Receivers
5 Oct 23
Methods and systems for performing data correction and phase optimization are disclosed herein.
Yu-Wei Lin, Nanyuan Chen
Filed: 31 Mar 22
Utility
Leadframe
5 Oct 23
A leadframe includes a peripheral frame, a plurality of lead pads, and a die attach pad (DAP).
Li-Ju Huang, Michael Yimin Zhang
Filed: 31 Aug 22
Utility
Package, Lead Frame and Roughening Method Thereof
21 Sep 23
A lead frame includes a plurality of lead frame units.
Xiaorui Yang, Jian Jin
Filed: 25 May 23
Utility
Semiconductor Device and Lead Frame
27 Jul 23
A semiconductor device and a lead frame.
Yang Xiaorui, Wu Wei
Filed: 30 Mar 23
Utility
Packaging Substrate, Grid Array Package, and Preparation Method Therefor
27 Jul 23
Disclosed are a packaging substrate, a grid array package, and a preparation method therefor.
Yang Xiaorui, Wu Wei
Filed: 30 Mar 23
Utility
Semiconductor Structure and Method of Fabricating the Same
27 Jul 23
A semiconductor structure includes a substrate having a first surface and a second surface opposite to the first surface.
Tao Long, Pin-Hao Huang, Ze Rui Chen
Filed: 9 Mar 22
Utility
Split-Gate Trench MOSFET
25 May 23
A split-gate trench device chip has an active region in which a plurality of active trenches are disposed.
Chiao-Shun Chuang, Tsung-Wei Pai, Yun-Pu Ku
Filed: 16 Aug 22
Utility
Adaptive Minimum Duty Cycle Design to Extend Operational Voltage Range for DCDC Converters
18 May 23
A method for a switched mode power supply (SMPS) includes providing an error voltage signal based on a difference between a sampled output voltage of the SMPS and a target voltage, and generating a clock signal characterized by an oscillating frequency; generating a switching control signal based on the error voltage signal and the clock signal using pulse-width modulation (PWM).
Wenliang Chen, Jiansong Chen
Filed: 12 Nov 21
Utility
Phase Interpolator Circuitry for a Bit-level Mode Retimer
20 Apr 23
Disclosed are some examples of Phase interpolator circuitry used in retimer systems.
Yu-Wei Lin, Yi Sheng Lin, Nanyuan Chen
Filed: 27 Sep 22
Utility
Charging Device and Charging System Based on Master-slave Relationship
23 Mar 23
A charging system based on a master-slave relationship includes a master charging device coupled with a target device, and at least one slave charging device electrically connected with the master charging device.
Tzu Chieh SU, Keng Chuan CHANG, Hsiu Ming YANG
Filed: 22 Sep 21
Utility
Semiconductor Schottky Rectifier Device
9 Mar 23
A semiconductor Schottky rectifier built in an epitaxial semiconductor layer over a substrate has an anode structure and a cathode structure extending from the surface of the epitaxial layer.
Kolins Chao, John Huang
Filed: 10 Nov 22
Utility
Common-mode Voltage Control for High-speed Transceivers
24 Nov 22
Circuits and techniques are described for high-speed transceivers (e.g., repeaters such as re-drivers or re-timers) that ensure that the instantaneous voltage at an input or output of a connected device remains within a desired or specified voltage range.
Hung-Yan Cheung
Filed: 21 May 21
Utility
Input Voltage Dependent Control for Active Clamp Flyback
24 Nov 22
A power converter and control circuit are provided.
Wei Chuan Su, Feng-Jung Huang, Yuan-Hung Lo, Hao-Ming Chen
Filed: 8 Mar 22