42 patents
Page 2 of 3
Utility
Battery charge termination voltage reduction
25 May 20
This document discusses, among other things, apparatus, systems, and methods to prevent a voltage of a charging battery from exceeding a voltage threshold, including receiving charging information from a battery and controlling an output current of a travel adapter, including adjusting the received battery current information using a load current to prevent the voltage of the battery from exceeding a voltage threshold, and providing output current limit information to the travel adapter using the adjusted battery current information.
James A. Meacham, II, Robert A. Card
Filed: 29 Dec 16
Utility
Battery state of charge tracking, equivalent circuit selection and benchmarking
25 May 20
A method includes calculating a first estimated state of charge (SOC) of a battery at a first time, receiving a voltage value representing a measured voltage across the battery at a second time, calculating a filter gain at the second time, and calculating a second estimated SOC of the battery at the second time based on the first estimated SOC, the voltage value, and the filter gain.
Balakumar Balasingam, Brian French, Yaakov Bar-Shalom, Bharath Pattipati, Krishna Pattipati, James Meacham, Travis Williams, Gopi Vinod Avvari, Tai-Sik Hwang
Filed: 19 Feb 14
Utility
Multiple pulse ignition system control
27 Apr 20
In a general aspect, an ignition circuit can include a control circuit that is coupled with an engine control unit (ECU) to receive a command signal from the ECU.
Qingquan Tang
Filed: 9 Aug 17
Utility
Control Circuit and Method Therefor
22 Apr 20
In one embodiment, a power supply controller, or alternately a semiconductor device having a power supply controller, may have a first circuit configured to form a sense signal that is representative of a signal from an auxiliary winding of a transformer.
Zhibo TAO, Chih-Hsien HSIEH, Yue-Hong TANG
Filed: 16 Dec 19
Utility
Power factor correction circuit and method
20 Apr 20
A Power Factor Correction (PFC) circuit includes an oscillator circuit.
Jintae Kim, Sangcheol Moon, Hangseok Choi
Filed: 29 Aug 18
Utility
Led Drive Circuit with a Programmable Input for Led Lighting
1 Apr 20
An LED (Light Emitting Diode) drive circuit includes a magnetic device, a power transistor, a current-sense resistor, and a controller.
Ta-Yung YANG, Chuh-Ching LI, Ming-Chieh LEE, Kuo-Hsien HUANG
Filed: 2 Dec 19
Utility
Packaged Semiconductor Devices with Laser Grooved Wettable Flank and Methods of Manufacture
11 Mar 20
In a general aspect, a method for producing a packaged semiconductor device can include coupling a semiconductor device to a leadframe structure having a signal lead that is electrically coupled with the semiconductor device.
Aira Lourdes VILLAMOR, Erwin Victor CRUZ, Geraldine SUICO, Silnore SABANDO
Filed: 11 Nov 19
Utility
Semiconductor device and method therefor
10 Feb 20
In one embodiment, a power supply controller, or alternately a semiconductor device having a power supply controller, may have a first circuit configured to form a sense signal that is representative of a signal from an auxiliary winding of a transformer.
Zhibo Tao, Chih-Hsien Hsieh, Yue-Hong Tang
Filed: 3 Feb 19
Utility
Substrate interposer on a leadframe
27 Jan 20
In one general aspect, a device can include a leadframe including at least one of an external input terminal or an external output terminal, an interposer made of an insulating material, and a redistribution layer coupled to the interposer and made of a conductive material.
Elsie Agdon Cabahug, Marie Clemens Ypil Quinones, Maria Cristina Estacio, Romel Nogas Manatad, Chung-Lin Wu, Jerome Teysseyre
Filed: 23 Mar 16
Utility
Charge Pump Circuit for Providing Voltages to Multiple Switch Circuits
8 Jan 20
A charge pump circuit generates a charge pump voltage that powers a bias circuit.
Lei HUANG
Filed: 15 Sep 19
Utility
Overcurrent detection circuit and method, load switch, and portable device
6 Jan 20
The present invention provides an overcurrent detection circuit, an overcurrent detection method, a load circuit, and a portable device.
Maoxu Li, Shide Zheng
Filed: 25 Feb 15
Utility
LED drive circuit with a programmable input for LED lighting
6 Jan 20
An LED drive circuit includes a controller, generating a switching signal to switch a magnetic device that receives an input voltage derived from an input of the LED drive circuit, for generating an output current to drive at least a LED.
Ta-Yung Yang, Chuh-Ching Li, Ming-Chieh Lee, Kuo-Hsien Huang
Filed: 24 Jul 19
Utility
Magnetic sensor utilizing magnetization reset for sense axis selection
23 Dec 19
In one general aspect, a system includes a material including a surface, and a magnetic sensor configured to sense a first component and a second component of a magnetic field.
Phil Mather
Filed: 8 Oct 17
Utility
Avalanche-rugged silicon carbide (SiC) power device
9 Dec 19
In at least one general aspect, a silicon carbide (SiC) device can include a drift region and a termination region at least partially surrounding the SiC device.
Andrei Konstantinov
Filed: 15 Jul 18
Utility
Hybrid gate dielectrics for semiconductor power devices
25 Nov 19
In a general aspect, a power semiconductor device can include a silicon carbide (SiC) substrate and a SiC epitaxial layer disposed on the SiC substrate.
Salman Akram, Venkat Ananthan
Filed: 16 May 18
Utility
Packaged semiconductor devices with laser grooved wettable flank and methods of manufacture
18 Nov 19
In a general aspect, a method for producing a packaged semiconductor device can include coupling a semiconductor device to a leadframe structure having a signal lead that is electrically coupled with the semiconductor device.
Aira Lourdes Villamor, Erwin Victor Cruz, Geraldine Suico, Silnore Sabando
Filed: 16 May 18
Utility
Led Drive Circuit with a Programmable Input for Led Lighting
13 Nov 19
An LED drive circuit includes a controller, generating a switching signal to switch a magnetic device that receives an input voltage derived from an input of the LED drive circuit, for generating an output current to drive at least a LED.
Ta-Yung YANG, Chuh-Ching LI, Ming-Chieh LEE, Kuo-Hsien HUANG
Filed: 24 Jul 19
Utility
Input AC line control for AC-DC converters
4 Nov 19
An AC-DC converter includes a main switch that is controlled according to an input AC line voltage.
Jason Guo, Laszlo Balogh, Gwanbon Koo, Sangcheol Moon, Bonggeun Chung, Chenghao Jin
Filed: 25 Aug 16
Utility
Charge pump circuit for providing voltages to multiple switch circuits
28 Oct 19
A charge pump circuit generates a charge pump voltage that powers a bias circuit.
Lei Huang
Filed: 5 Jul 16
Utility
Switch Mode Power Supply with Ramp Generator for Wide Frequency Range Pulse Width Modulator or the Like
23 Oct 19
A switch mode power supply includes an error amplifier, an oscillator, a pulse width modulation logic circuit, and an output stage.
Hua ZHU, Kaiwei YAO
Filed: 1 Jul 19