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:
Jun. 03, 2025
Filed:
Nov. 02, 2021
Intel Corporation, Santa Clara, CA (US);
Juan Munoz Constantine, Hillsboro, OR (US);
Christopher Schaef, Hillsboro, OR (US);
Ajay Janardanan, Hillsboro, OR (US);
Alexander Lyakhov, Portland, OR (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
Embodiments herein relate to a circuit which generates a sawtooth waveform based on an adaptive feedback loop that self-corrects the ramp up rate to account for variations in a device. The sawtooth waveform is obtained by repeatedly charging and discharging a capacitor according to a clock signal. The sawtooth waveform can be sampled once per clock period at a comparator which provides a corresponding binary output to a state machine. If the binary output indicates the amplitude of the sawtooth waveform is below a desired maximum voltage, the state machine outputs a code word to a digitally-controlled variable current source to increase the output current. The sawtooth waveform can be used to provide a pulse-width modulated (PWM) waveform such as for a DC-DC converter.