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:
Jan. 12, 2016
Filed:
May. 29, 2014
Chengdu Monolithic Power Systems, Co., Ltd., Chengdu, CN;
Bairen Liu, Hangzhou, CN;
Hongqiang Qin, Hangzhou, CN;
Eric Yang, Saratoga, CA (US);
Song Qu, San Jose, CA (US);
Paul Ueunten, San Jose, CA (US);
Chengdu Monolithic Power Systems Co., Ltd., Chengdu, CN;
Abstract
A method having a negative output voltage at a negative output terminal of a charge pump tracking a positive output voltage at a positive output terminal of the charge pump. The charge pump comprises a plurality of switches and each of the plurality of switches has a serially coupled resistance. The method comprises selecting the serially coupled resistance for at least one of the plurality of switches to be different to each of the other respective serially coupled resistances associated to the other switches.