184 patents
Page 3 of 10
Utility
Multi-Phase Switching Regulator with Variable Gain Phase Current Balancing Using Slope-Compensated Emulated Phase Current Signals
23 Mar 23
A multi-phase current mode hysteretic modulator implements phase current balancing among the multiple power stages using slope-compensated emulated phase current signals and individual phase control signal for each phase.
Rhys S. A. Philbrick, Steven P. Laur, Nicholas I. Archibald
Filed: 22 Sep 21
Utility
High bandwidth constant on-time PWM control
14 Mar 23
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: 9 Feb 21
Utility
Low Capacitance Bidirectional Transient Voltage Suppressor
16 Feb 23
A bidirectional transient voltage suppressor (TVS) protection circuit includes two sets of steering diodes, a clamp circuit including an MOS transistor integrated with a silicon controlled rectifier (SCR) and a trigger circuit.
Shekar Mallikarjunaswamy, Ning Shi
Filed: 14 Sep 22
Utility
Bottom Source Trench Mosfet with Shield Electrode
16 Feb 23
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
Schottky Diode Integrated into Superjunction Power Mosfets
16 Feb 23
A trench metal-oxide-semiconductor field-effect transistor (MOSFET) device comprises an active cell area including a plurality of superjunction trench power MOSFETs formed in an epitaxial layer.
Yi Su, Madhur Bobde
Filed: 1 Nov 22
Utility
Semiconductor package having wettable lead flank and method of making the same
14 Feb 23
A semiconductor package comprises a lead frame, a chip, and a molding encapsulation.
Yan Xun Xue, Long-Ching Wang, Lei Fukuda, Adrian Chee Heong Koh, Peter Wilson, Feng Ye
Filed: 21 Dec 20
Utility
Phase redundant power supply with oring FET current sensing
7 Feb 23
A power stage in a multi-phase switching power supply incorporates a current sense circuit coupled to the output voltage disconnect transistor to conduct a portion of an inductor current flowing in the output inductor of the power stage.
Prabal Upadhyaya
Filed: 2 May 22
Utility
Gas dopant doped deep trench super junction high voltage MOSFET
31 Jan 23
A method for manufacturing and a Super Junction MOSFET are disclosed.
Wenjun Li, Lingbing Chen, Lingpeng Guan, Jian Wang
Filed: 23 Nov 20
Utility
Semiconductor Package Having Thin Substrate and Method of Making the Same
26 Jan 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
Silicon carbide MOSFET with source ballasting
10 Jan 23
A method for making an integrated device that includes a plurality of planar MOSFETs, includes forming a plurality of doped body regions in an upper portion of a silicon carbide substrate composition and a plurality of doped source regions.
Vipindas Pala
Filed: 30 Sep 20
Utility
Low Capacitance Two Channel and Multi-channel TVS with Effective Inter-connection
5 Jan 23
A transient voltage suppressing device includes a plurality of fingers arranged laterally along a major surface of an epitaxial layer.
Shekar Mallikarjunaswamy, Juan Luo
Filed: 30 Jun 21
Utility
Schottky diode integrated into superjunction power MOSFETs
27 Dec 22
A trench metal-oxide-semiconductor field-effect transistor (MOSFET) device comprises an active cell area including a plurality of superjunction trench power MOSFETs, and a Schottky diode area including a plurality of Schottky diodes formed in the drift region having the superjunction structure.
Yi Su, Madhur Bobde
Filed: 30 Sep 20
Utility
Fast transient response in DC-to-DC converters
27 Dec 22
A capacitor is discharged to a point where ring back in an output voltage across the capacitor is eliminated in response a transient event to high side and low side switching devices conductively coupled to an inductor and the capacitor before turning on the high side switch and varying an output voltage with a change in a load current.
Amir Babazadeh
Filed: 11 Jan 21
Utility
Flyback Converter for Controlling on Time Variation
8 Dec 22
A flyback converter to control conduction time in AC/DC conversion technology.
Jung-Pei Cheng, Hung-Ta Hsu
Filed: 16 Aug 22
Utility
Inductor binning enhanced current sense
6 Dec 22
An apparatus, comprising, a MOSFET, a controller coupled to the MOSFET, an inductor conductively coupled to the MOSFET.
Nicholas I. Archibald, Rhys S. A. Philbrick, Steven P. Laur
Filed: 13 Dec 19
Utility
Method for forming super-junction corner and termination structure with graded sidewalls
22 Nov 22
A method for forming a superjunction power semiconductor device includes forming multiple epitaxial layers of a first conductivity type on a semiconductor substrate and implanting dopants of a second conductivity type into each epitaxial layer to form a first group of implanted regions in a first region and a second group of implanted regions in a second region in each epitaxial layer.
Madhur Bobde, Karthik Padmanabhan, Lingpeng Guan
Filed: 6 May 21
Utility
Isolated converter with constant voltage mode and constant current mode and control method thereof
15 Nov 22
An isolated converter has a constant voltage mode and a constant current mode.
Jung-Pei Cheng, Yueh-Ping Yu
Filed: 10 Dec 20
Utility
Semiconductor package having thin substrate and method of making the same
8 Nov 22
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: 30 Dec 20
Utility
Noise Disturbance Rejection for Power Supply
3 Nov 22
Apparatus and associated methods relate to a power supply noise disturbance rejection circuit (NDRC) having a first circuit reference potential (CRP1), a second circuit reference potential (CRP2), and a galvanic link conductively connecting CRP1 and CRP2 and providing a non-zero resistance return path for at least one current mode signal (CMS).
Richard Schmitz, Tsing Hsu
Filed: 6 May 22
Utility
Integrated Planar-trench Gate Power Mosfet
27 Oct 22
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