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:
Oct. 11, 2011
Filed:
Dec. 29, 2008
David Hernandez-garduno, Dallas, TX (US);
Mohammad Al-shyoukh, Richardson, TX (US);
David Hernandez-Garduno, Dallas, TX (US);
Mohammad Al-Shyoukh, Richardson, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
Multistage charge pumps with diode loss compensation are disclosed. In one example, a pre-regulated charge pump to generate a voltage is described. The example pre-regulated charge pump includes a charge pump having a plurality of stages and one or more diodes. The stages are configured to generate an output voltage at an output terminal based on an input voltage and a number of the multiplier stages. The example pre-regulated charge pump also includes a pre-regulator stage configured to adjust the input voltage to remove dependency on supply voltage variation. The pre-regulator includes a feedback diode configured to compensate for one or more voltage drops associated with the one or more charge pump diodes.