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. 03, 2020
Filed:
Sep. 18, 2018
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventor:
Mohit Chawla, Bengaluru, IN;
Assignee:
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/38 (2006.01); H03F 1/02 (2006.01); H03F 3/217 (2006.01); H03K 5/24 (2006.01); H03K 19/20 (2006.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0211 (2013.01); H03F 3/217 (2013.01); H03K 5/24 (2013.01); H03K 19/20 (2013.01); H03F 2200/129 (2013.01); H03F 2200/51 (2013.01); H03K 2005/00078 (2013.01);
Abstract
A circuit includes a comparator to compare an analog signal to a ramp signal to generate a pulse width modulated output signal and a driver to generate control signals for a plurality of power transistors. A pulse blanking circuit receives the pulse width modulated output signal. For each pulse of the pulse width modulated output signal, the pulse blanking circuit, responsive to a width of the pulse being greater than a threshold, passes the pulse to the driver. Responsive to the width of the pulse being less than the threshold, the pulse blanking circuit prevents the pulse from being passed to the driver.