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:
Apr. 12, 2022
Filed:
Nov. 16, 2020
Texas Instruments Incorporated, Dallas, TX (US);
Keliu Shu, Frisco, TX (US);
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Abstract
Methods, apparatus, systems and articles of manufacture are disclosed for temperature insensitive voltage supervisors. An example apparatus includes a PTAT generation circuit including an output terminal: a first resistor having a first terminal and a second terminal, a second resistor having a third terminal and a fourth terminal, the third terminal coupled to the second terminal at a first node, a first transistor including a base terminal coupled to the fourth terminal of the second resistor at a second node, and a first current terminal coupled to the fourth terminal of the second resistor, a comparator including, a first input terminal coupled to the output terminal of the PTAT generation circuit at a third node, a second input terminal coupled to the second terminal and third terminal, and a third resistor having a fifth terminal coupled to the third terminal and the second input terminal at a fourth node.