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:
Nov. 03, 2020
Filed:
Oct. 26, 2018
Applicant:
Nxp B.v., Eindhoven, NL;
Inventors:
Xiaoqun Liu, Chandler, AZ (US);
Madan Mohan Reddy Vemula, Tempe, AZ (US);
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/07 (2006.01); H02M 1/08 (2006.01); H03K 17/06 (2006.01); H02M 1/32 (2007.01);
U.S. Cl.
CPC ...
H02M 3/07 (2013.01); H02M 1/08 (2013.01); H02M 1/32 (2013.01); H03K 17/06 (2013.01);
Abstract
A multi-stage charge pump including a first stage configured to generate a first output voltage, a last stage configured to receive the first output voltage from the first stage and output a second output voltage, a switch configured to receive the second output voltage from the last stage, and a voltage regulator circuit configured to control the second output voltage of the last stage to maintain a substantially constant on-resistance of the switch.