The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2024
Filed:
Mar. 28, 2022
Power Integrations, Inc., San Jose, CA (US);
John Emmanuel Atienza Tan, Antipolo, PH;
Jhaebhee Mark Quiroz Calderon, Pasig, PH;
Emmanuel Belen Antonio, Santo Tomas, PH;
John Henry Rementilla Puente, Pasay, PH;
POWER INTEGRATIONS, INC., San Jose, CA (US);
Abstract
A motor drive system for use with a motor comprising a first high-side switch coupled to a high voltage bus and the motor. A first low-side switch coupled to the motor and a return, a turn ON and turn OFF of the first high-side switch and the first low-side switch provides a phase current for the motor. A system controller configured to receive a phase current sense signal representative of the phase current of the motor and configured to begin an alignment sequence to align the motor to a goal alignment position, wherein during the alignment sequence at least one of the first high-side switch or the first low-side switch is turned ON and OFF having an alignment duty ratio, and the system controller is configured to end the alignment sequence in response to a sensed decrease in the phase current sense signal or a first duration has elapsed.