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:
Jul. 28, 2015
Filed:
May. 14, 2014
Maxim Integrated Products, Inc., San Jose, CA (US);
Ramakrishna Ankamreddi, Bangalore, IN;
Naresh Venkata Kotikelapudi, Bangalore, IN;
Ramesh Giri, Bangalore, IN;
MAXIM INTEGRATED PRODUCTS, INC., San Jose, CA (US);
Abstract
A system comprises a pulse width modulator, a voltage sensing circuit, a pulse generator, and a sampling circuit. The pulse width modulator generates a control signal to control a switch connected to an input voltage via a primary winding and to regulate an output voltage across a secondary winding that is supplied to a load through a component connected in series with the secondary winding. The voltage sensing circuit senses a first voltage across the primary winding that represents the output voltage. The pulse generator generates a single pulse at a sampling time during a first cycle of the control signal, which is determined based on the input voltage, a voltage drop across the switch, an on-time of the switch, and the first voltage sensed during the first cycle. The sampling circuit samples the first voltage based on the single pulse at the sampling time during the first cycle.