99 patents
Utility
Switching regulator implementing power recycling
16 Jan 24
A controller for a switching regulator receiving an input voltage and generating a regulated output voltage includes a buck control circuit and a boost control circuit.
Nicholas I. Archibald, Steven P. Laur, Rhys S. A. Philbrick
Filed: 18 Mar 22
Utility
Bottom source trench MOSFET with shield electrode
9 Jan 24
An improved inverted field-effect-transistor semiconductor device and method of making thereof may comprise a source layer on a bottom and a drain disposed on a top of a semiconductor substrate and a vertical current conducting channel between the source layer and the drain controlled by a trench gate electrode disposed in a gate trench lined with an insulating material.
Sik Lui, Madhur Bobde, Lingpeng Guan, Lei Zhang
Filed: 12 Aug 21
Utility
High bandwidth constant on-time PWM control
2 Jan 24
Apparatus and associated methods relate to dynamic bandwidth control of a variable frequency modulation circuit by selective contribution of a crossover frequency tuning engine (XFTE) in response to a transient in a switching frequency.
Chris M. Young
Filed: 1 Feb 23
Utility
Circuit and method for controlling switching regulator with ultrasonic mode
19 Dec 23
A control circuit for controlling a switching regulator includes a timer, a comparator, a driver circuit and a controller.
Chi-Kuang Chang, Cheng-Hsiung Tsai
Filed: 23 Mar 22
Utility
Port controller with real-time fault detection
7 Nov 23
A port controller circuit is configured to control power transfer on a power path between a first terminal and a second terminal.
Michael Scheel
Filed: 7 Feb 22
Utility
Semiconductor package having smart power stage and e-fuse solution
24 Oct 23
A semiconductor package comprises a lead frame, a low side metal-oxide-semiconductor field-effect transistor (MOSFET), an E-fuse MOSFET, a high side MOSFET, a metal connection, a gate driver, an E-fuse IC, and a molding encapsulation.
Prabal Upadhyaya
Filed: 28 Dec 20
Utility
Semiconductor package having thin substrate and method of making the same
10 Oct 23
A semiconductor package comprises a semiconductor substrate, a first metal layer, an adhesive layer, a second metal layer, a rigid supporting layer, and a plurality of contact pads.
Jun Lu, Long-Ching Wang, Madhur Bobde, Bo Chen, Shuhua Zhou
Filed: 5 Oct 22
Utility
Method and circuit for sensing MOSFET temperature for load switch application
3 Oct 23
A method and device for temperature monitoring of a power transistor formed in a semiconductor die comprising are disclosed.
Zhenyu Wang, Jian Yin, Lingpeng Guan, Sitthipong Angkititrakul, Christopher Ben Bartholomeusz, Xiaobin Wang
Filed: 11 Nov 21
Utility
SiC MOSFET with reduced channel length and high V
3 Oct 23
A silicon carbide MOSFET device and method for making thereof are disclosed.
David Sheridan, Arash Salemi, Madhur Bobde
Filed: 16 Feb 21
Utility
IGBT light load efficiency
12 Sep 23
An apparatus comprising an insulated gate bipolar transistor and a super junction metal-oxide semiconductor field effect transistor wherein the insulated gate bipolar transistor and the super-junction metal-oxide semiconductor field effect transistor are electrically and optionally structurally coupled.
Madhur Bobde, Lingpeng Guan, Karthik Padmanabhan, Bum-Seok Suh
Filed: 4 May 22
Utility
Semiconductor device incorporating epitaxial layer field stop zone
5 Sep 23
A semiconductor device includes a semiconductor body having a base region incorporating a field stop zone where the base region and the field stop zone are both formed using an epitaxial process.
Lei Zhang, Karthik Padmanabhan, Lingpeng Guan, Jian Wang, Lingbing Chen, Wim Aarts, Hongyong Xue, Wenjun Li, Madhur Bobde
Filed: 4 May 21
Utility
Power converter for high power density
5 Sep 23
A power semiconductor package comprises a lead frame, a semiconductor chip, and a molding encapsulation.
Ziwei Yu, Lin Chen, Zhiqiang Niu
Filed: 28 Oct 21
Utility
Integrated planar-trench gate power MOSFET
15 Aug 23
Transistor device and method of making thereof comprising a substrate heavily doped with a first conductivity type and an epitaxial layer lightly doped with the first conductivity type on top of the substrate.
Wenjun Li, Lingpeng Guan, Jian Wang, Lingbing Chen
Filed: 22 Apr 21
Utility
Wafer level chip scale semiconductor package
8 Aug 23
A wafer level chip scale semiconductor package comprises a device semiconductor layer, a backside metallization layer, a film laminate layer, and a metal layer.
Yan Xun Xue, Madhur Bobde, Long-Ching Wang, Bo Chen
Filed: 20 May 22
Utility
Current mode control modulator including ramp signal generator providing slope compensation
25 Jul 23
A current mode control modulation includes a ramp signal generator generating a slope compensated ramp signal with slope compensation.
Nicholas I. Archibald, Rhys S. A. Philbrick, Steven P. Laur
Filed: 1 Nov 21
Utility
DMOS FET chip scale package and method of making the same
11 Jul 23
A method comprises the steps of providing a wafer; applying a redistribution layer, grinding a back side of the wafer; depositing a metal layer; and applying a singulation process.
Yan Xun Xue, Long-Ching Wang, Hongyong Xue, Madhur Bobde, Zhiqiang Niu, Jun Lu
Filed: 26 Feb 21
Utility
Semiconductor package having a lead frame including die paddles and method of making the same
27 Jun 23
A semiconductor package comprises a lead frame, a first field-effect transistor (FET), a second low side FET, a first high side FET, a second high side FET, a first metal clip, a second metal clip, and a molding encapsulation.
Yan Xun Xue
Filed: 14 Jul 21
Utility
Low capacitance transient voltage suppressor including a punch-through silicon controlled rectifier as low-side steering diode
30 May 23
A transient voltage suppressor (TVS) device uses a punch-through silicon controlled rectifier (SCR) structure for the low-side steering diode where the punch-through SCR structure realizes low capacitance at the protected node.
Shekar Mallikarjunaswamy
Filed: 25 Sep 20
Utility
Flyback converter for controlling on time variation
30 May 23
A flyback converter to control conduction time in AC/DC conversion technology.
Jung-Pei Cheng, Hung-Ta Hsu
Filed: 16 Aug 22
Utility
Port controller power path short detection
9 May 23
A system and method in an electronic system including multiple serial ports, each coupled to a port controller circuit.
Michael Scheel
Filed: 10 Dec 21