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:
Dec. 09, 2025

Filed:

Mar. 19, 2024
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Krishnanunni B, Bangalore, IN;

Pratishthit Iyer, Bangalore, IN;

Kumar Anurag Shrivastava, Bangalore, IN;

Rahul Prakash, Bangalore, IN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/3177 (2006.01); H03K 3/037 (2006.01); H03K 19/20 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3177 (2013.01); H03K 3/037 (2013.01); H03K 19/20 (2013.01);
Abstract

An apparatus includes a transmitter, a voltage regulator, an isolator, and a test controller. The transmitter has an input, an output, and a first supply voltage terminal. The input couples to the apparatus' input terminal. The voltage regulator's input couples to a second supply voltage terminal. The voltage regulator's output couples to the first supply terminal. The first terminal of the isolator couples to the output of the transmitter. A first test controller terminal couples to the second supply voltage terminal. A second test controller terminal couples to the input terminal of the apparatus. The first control output couples to the control input of the voltage regulator. The test controller changes a logic state of a control signal at the first control output from a first logic state to a second logic state.


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