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. 23, 2015
Filed:
Oct. 11, 2012
Dialog Semiconductor Gmbh, Kirchheim/Teck-Nabern, DE;
Jindrich Svorc, Swindon, GB;
Dialog Semiconductor GmbH, Kirchheim/Tech-Nabern, DE;
Abstract
Circuits and related methods for artificial ramp generation for pulse-width modulators (PWM) for current control mode switch mode power supplies (SMPS) are disclosed. The artificial ramp generation is separated from a current sensing part and allows easy trimming of both paths. Artificial ramp is generated as a voltage on a capacitor biased by constant current and placed between a voltage sensing node and an input of a PWM comparator. The circuit disclosed reduces circuit complexity and susceptibility to noise and spikes from the input voltage.
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