Alpha & Omega Semiconductor Profile

Alpha & Omega Semiconductor Patent Grants

Intelligent power module containing exposed surfaces of transistor die supporting elements

Patent Number 12249562 - March 11, 2025

An intelligent power module (IPM) comprises a first transistor die supporting element, a second transistor die supporting element, a third…

Chip scale package (CSP) semiconductor device having thin substrate

Patent Number 12243808 - March 4, 2025

A semiconductor device comprises a semiconductor substrate, a plurality of metal layers, an adhesive layer, a compound layer, and a plurality…

Switch mode power converter with synchronous rectifier implementing adaptive gate voltage regulation for fast turn-off

Patent Number 12218602 - February 4, 2025

A power converter incorporating a synchronous rectifier implements adaptive gate voltage regulation for fast turn-off of the synchronous…

Low capacitance transient voltage suppressor with high holding voltage

Patent Number 12211834 - January 28, 2025

A transient voltage suppressor (TVS) device includes a silicon controlled rectifier (SCR) as the clamp device between a high-side steering…

Switching regulator implementing negative current protection

Patent Number 12212234 - January 28, 2025

A controller for a switching regulator incorporates a protection circuit to limit the negative current to a negative current threshold while…

Alpha & Omega Semiconductor Patent Applications

CHIP SCALE SEMICONDUCTOR PACKAGE HAVING BACK SIDE METAL LAYER AND RAISED FRONT SIDE PAD AND METHOD OF MAKING THE SAME

Application Number 20250069973 - February 27, 2025

A chip scale semiconductor package comprises a silicon layer, a back side metal layer, and a plurality of front side pads. Each of the…

SEMICONDUCTOR RIGID CHIP-SCALE PACKAGE AND METHOD OF MAKING THE SAME

Application Number 20250070049 - February 27, 2025

A semiconductor package comprises a semiconductor substrate, a plurality of contact pads, a seed layer, a first thick metal layer, a second…

SEMICONDUCTOR PACKAGE HAVING HIGH METAL BUMPS AND ULTRA-THIN SUBSTRATE AND METHOD OF MAKING THE SAME

Application Number 20250070069 - February 27, 2025

A semiconductor package comprises a semiconductor substrate, a plurality of contact pads, a plurality of metal bumps, a metal layer, and a…

DUAL MODE CURRENT SENSING IN HIGH POWER DRIVER AND SWITCH TRANSISTOR MODULE

Application Number 20250070668 - February 27, 2025

Apparatus and associated methods relate to circuit load balancing in a multi-phase power supply system (MPPSS). In an illustrative example, a…

SWITCHING FREQUENCY CONTROLLER, VOLTAGE CONVERTER, AND METHOD FOR CONTROLLING SWITCHING FREQUENCY

Application Number 20250007500 - January 2, 2025

A switching frequency controller, a voltage converter, and a method are used for controlling switching frequency. The switching frequency…

Alpha & Omega Semiconductor Federal District Court Decisions

Alpha and Omega Semiconductor Limited et al v. Force MOS Technology Co., Ltd.

California Northern District Court - December 13, 2023

ORDER denying 59 Motion to Strike. Signed by Judge P. Casey Pitts on 12/13/2023. (nmc, COURT USER) (Filed on 12/13/2023)

Third Dimension Semiconductor, Inc v. Alpha and Omega Semiconductor, Inc. et al

California Northern District Court - August 13, 2012

ORDER TERMINATING SEAN N. HSU AS COUNSEL. Signed by Judge Edward M. Chen on 8/13/12. (bpf, COURT STAFF) (Filed on 8/13/2012)

Third Dimension Semiconductor, Inc v. Alpha and Omega Semiconductor, Inc. et al

California Northern District Court - July 2, 2012

STANDING ORDER. Signed by Judge Edward M. Chen on 7/2/12. (bpf, COURT STAFF) (Filed on 7/2/2012)

Alpha & Omega Semiconductor State Court Decisions

Alpha and Omega Semiconductor Limited et al v. Force MOS Technology Co., Ltd.

California California Northern District Court - December 13, 2023

ORDER denying 59 Motion to Strike. Signed by Judge P. Casey Pitts on 12/13/2023. (nmc, COURT USER) (Filed on 12/13/2023)