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.

Date of Patent:
Aug. 12, 2025

Filed:

Jan. 24, 2023
Applicant:

Omni Design Technologies, Inc., Milpitas, CA (US);

Inventors:

Manar Ibrahim El-Chammas, Austin, TX (US);

Vaibhav Tripathi, Santa Clara, CA (US);

Jagdish Kumar Agrawal, Banagalore, IN;

Assignee:

Omni Design Technologies, Inc., Milpitas, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/317 (2006.01); H03K 19/003 (2006.01); H03K 19/0175 (2006.01);
U.S. Cl.
CPC ...
G01R 31/31727 (2013.01); G01R 31/31721 (2013.01); H03K 19/0033 (2013.01); H03K 19/017509 (2013.01);
Abstract

A latchup detector includes a level shifter and a comparator. The level shifter is electrically coupled to a voltage supply rail to receive as inputs a regulator output voltage and a target supply voltage. The level shifter includes a first level-shifter circuit that lowers the regulator output voltage to a first voltage and a second level-shifter circuit that lowers the target supply voltage to a second voltage. The comparator receives as inputs the first and second voltages. The comparator produces a first output voltage when the difference between the first and second voltages is greater than or equal to a predetermined voltage difference and a second output voltage when the difference between the first and second voltages is less than the predetermined voltage difference. The first output voltage can correspond to a latchup event.


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