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. 12, 2019
Filed:
Aug. 08, 2016
Applicant:
Analog Devices Global, Hamilton, BM;
Inventors:
Michael Lynch, Co. Limerick, IE;
Brian Anthony Moane, Raheen, IE;
Assignee:
Analog Devices Global, Hamilton, BM;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 3/00 (2006.01); H03K 5/1252 (2006.01); H03K 17/56 (2006.01); H04L 25/02 (2006.01);
U.S. Cl.
CPC ...
H03K 5/1252 (2013.01); H03K 17/56 (2013.01); H04L 25/0266 (2013.01); H01L 2224/48137 (2013.01);
Abstract
A transformer based digital isolator is provided that has improved immunity to common mode interference. The improved immunity is provided by placing the transformer in association with an H-bridge drive circuit, and taking additional effort to tailor the on state resistance of the transistors to control a common mode voltage at the transformer.