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:
Feb. 09, 2016
Filed:
Oct. 17, 2013
Applicant:
Omron Automotive Electronics, Inc, St. Charles, IL (US);
Inventor:
Lucretiu Pisau, Highland Park, IL (US);
Assignee:
Omron Automotive Electronics, Inc., St. Charles, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 6/14 (2006.01); H02P 6/00 (2006.01); H02P 6/08 (2006.01); H02P 6/18 (2006.01); H02P 31/00 (2006.01);
U.S. Cl.
CPC ...
H02P 6/001 (2013.01); H02P 6/085 (2013.01); H02P 6/182 (2013.01); H02P 31/00 (2013.01);
Abstract
In one aspect of the teachings herein, an interface circuit obviates the need for a microcontroller with multi-channel PWM capability in the context of controlling a brushless, three-phase DC motor. Instead, the interface circuit generates the requisite set of motor-phase control signals using a single PWM channel from the microcontroller. The interface circuit is implemented as a standalone integrated circuit (IC) in one embodiment, and is integrated into a pre-driver circuit in another embodiment.