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:
Jan. 03, 2017
Filed:
Oct. 08, 2015
Applicant:
Allegro Microsystems, Llc, Worcester, MA (US);
Inventors:
Vijay Mangtani, Nashua, NH (US);
Nai-Chi Lee, Nashua, NH (US);
Assignee:
ALLEGRO MICROSYSTEMS, LLC, Worcester, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01); H02J 1/00 (2006.01); H02M 3/156 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0854 (2013.01); H02J 1/00 (2013.01); H02M 3/156 (2013.01); H05B 33/0815 (2013.01);
Abstract
A driver circuit for driving one or more loads in a controlled manner includes multiple operational modes. In one mode, bypass switching may be used to adjust a drive signal applied to the one or more loads. In another mode, a DC-DC converter may be used to adjust the drive signal applied to the one or more loads. In at least one embodiment, the driver circuit is a light emitting diode driver circuit.