42 patents
Utility
Substrate interposer on a leaderframe
5 Apr 22
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: 8 Jan 20
Utility
USB Type-C connector with shorted differential data contacts
15 Mar 22
Techniques for charging an electronic device using a Universal Serial Bus (USB) cable and connector are provided.
Robert A. Card, James A. Meacham, II
Filed: 22 Dec 16
Utility
Vertical and horizontal circuit assemblies
16 Nov 21
In a general aspect, an apparatus can include a leadframe including a plurality of leads disposed along a single edge of the apparatus.
Jerome Teysseyre, Romel Manatad, Chung-Lin Wu, Bigildis Dosdos, Erwin Ian Almagro, Maria Cristina Estacio
Filed: 19 Feb 19
Utility
LED drive circuit with a programmable input for LED lighting
1 Jun 21
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: 3 Dec 19
Utility
Charge pump circuit for providing voltages to multiple switch circuits
25 May 21
A charge pump circuit generates a charge pump voltage that powers a bias circuit.
Lei Huang
Filed: 16 Sep 19
Utility
Control circuit and method therefor
11 May 21
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: 17 Dec 19
Utility
Inductor Current Emulation for Output Current Monitoring
25 Mar 21
A multi-phase power supply includes a plurality of phase controllers each driving a first terminal of a respective inductor alternatively between an input voltage and a ground voltage to regulate an output voltage in a work mode, keeping the first terminal of the respective inductor in a high impedance state during a non-work mode, having an input for receiving an enable signal for selecting between the work mode and the non-work mode, and generating a current monitor signal to represent a current through the respective inductor during both the work mode and the non-work mode, and a controller coupled to each phase controller for selectively enabling respective ones of the phase controllers in response to a load demand, receiving the current monitor signal from each phase controller, and selectively shutting down the multi-phase power supply when a total of current monitor signals from the phase controller exceeds a threshold.
Enzhu LIANG, Kaiwei YAO, Ming GU
Filed: 2 Dec 20
Utility
Power supply with near valley switching in near valley window time period
19 Jan 21
A switched-mode power supply with near valley switching includes a quasi-resonant converter.
Zhibo Tao, Jung-Sheng Chen, Li Lin, Kai-Fang Wei, Chih-Hsien Hsieh, Hangseok Choi, Yue-Hong Tang
Filed: 20 Feb 19
Utility
Inductor current emulation for output current monitoring
4 Jan 21
A switch mode power supply controller includes a switch terminal adapted to be coupled to an inductor that drives a load, high- and low-side switches a pulse width modulation (PWM) circuit, and a current monitor circuit.
Enzhu Liang, Kaiwei Yao, Ming Gu
Filed: 30 Apr 17
Utility
Trench-based power semiconductor devices with increased breakdown voltage characteristics
14 Dec 20
Exemplary power semiconductor devices with features providing increased breakdown voltage and other benefits are disclosed.
Joseph A. Yedinak, Ashok Challa, Dean E. Probst, Daniel Kinzer
Filed: 27 Aug 17
Utility
Switch mode power supply with ramp generator for wide frequency range pulse width modulator or the like
2 Nov 20
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
Utility
Switch device with switch circuits that provide high voltage surge protection
2 Nov 20
A switch device includes a common node that is connected to end nodes, such as that of computer interface ports.
Lei Huang, Na Meng, Kenneth P. Snowdon
Filed: 11 Mar 19
Utility
Self identification and pollution detection in USB Type-C
26 Oct 20
A paddle board includes an electronic marker circuit configured to indicate at least one capability of a cable assembly to a device coupled to the cable assembly and to select the device as one of a source or a sink, the paddle board being powered by the device, a register configured to store at least one variable value associated with at least one of the cable assembly and the paddle board, and a temperature sensor configured to sense a temperature of the paddle board and configured to store a value indicating the sensed temperature in the register.
Robert A. Card, Erik Maier
Filed: 13 Nov 17
Utility
Packaged semiconductor devices with laser grooved wettable flank and methods of manufacture
26 Oct 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
Intelligent contact charging devices and methods
28 Sep 20
In a general aspect, a charging apparatus can include a power converter circuit configured to supply, from an input voltage, charging power for charging a battery of an electronic device; and a control circuit configured to determine a charging current limit and a charging voltage of the power converter circuit for charging the battery.
Mukund Krishna, Karttikeya Shah, Alvin Fok
Filed: 6 Nov 17
Utility
Balancer for multiple field effect transistors arranged in a parallel configuration
28 Sep 20
In at least one general aspect, an apparatus can include a first field effect transistor (FET) device and a second FET device.
Adrian Mikolajczak, Chang Su Mitter
Filed: 14 Sep 17
Utility
Methods and apparatus related to termination regions of a semiconductor device
17 Aug 20
In one general aspect, an apparatus can include a semiconductor region, and a trench defined within the semiconductor region.
Joseph A. Yedinak, Richard Stokes, Jason Higgs, Fred Session
Filed: 27 Dec 18
Utility
Battery Charge Termination Voltage Reduction
29 Jul 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: 15 Apr 20
Utility
Power supply circuit, method, and portable device
20 Jul 20
The disclosure provides a power supply circuit including an external power source, an ID pin provided in a universal serial bus (USB) port on a printed circuit board (PCB), and an internal power and signal management subsystem.
Roger Luo, Percy Shi, Kevin Yang
Filed: 22 May 14
Utility
Substrate Interposer on a Leadframe
8 Jul 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: 7 Jan 20