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. 20, 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); H02H 9/02 (2006.01); H02M 1/32 (2007.01);
U.S. Cl.
CPC ...
H02M 3/073 (2013.01); H02H 9/025 (2013.01); H02M 1/32 (2013.01); H02M 2003/075 (2013.01);
Abstract
A multi-stage charge pump circuit including a first stage of the multi-stage charge pump having a first voltage output, a last stage of the multi-stage charge pump having a first voltage input, and an inter-stage limitation circuit configured to protect a voltage drop of the first voltage output of the first stage of the multi-stage charge pump when there is a voltage drop on the first voltage input of the last stage of the multi-stage charge pump.