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:
Mar. 05, 2013
Filed:
Aug. 08, 2011
Rüdiger Kuhn, Freising, DE;
Ivanov Vadim V. Vadim Ivanov, Tucson, AZ (US);
Frank Dornseifer, Freising, DE;
Michael Zwerg, Freising, DE;
Rüdiger Kuhn, Freising, DE;
Ivanov Vadim V. Vadim Ivanov, Tucson, AZ (US);
Frank Dornseifer, Freising, DE;
Michael Zwerg, Freising, DE;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
The invention relates to an electronic device which comprises a comparator coupled to monitor a first supply voltage level at a first supply voltage node. The comparator comprises a differential input transistor stage having one input coupled to the first supply voltage node and the other input coupled to receive a reference voltage level, a first current source configured to supply a current of a first magnitude, a second current source configured to supply a current of a second magnitude, and a capacitor. The first magnitude is greater than the second magnitude and the first current source is coupled with one side to the differential input stage for supplying the differential input stage and with the other side to a first node. The second current source is coupled with one side to the first node and with the other side to a second supply voltage node having a second supply voltage level and the capacitor is coupled with one side to the first node and with the other side to the first supply voltage node.