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. 09, 2021
Filed:
May. 08, 2019
Qualcomm Incorporated, San Diego, CA (US);
Cheong Kun, San Diego, CA (US);
Guoyong Guo, San Jose, CA (US);
Curtis Gong, San Diego, CA (US);
Kalpesh Shetye, San Diego, CA (US);
Georgios Konstantinos Paparrizos, Foster City, CA (US);
Todd Sutton, Del Mar, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
A battery charging circuit includes a buck converter, a charge pump power converter, a sensor external to or internal to the battery charging circuit, and a control unit. The charge pump power converter includes an output coupled to an output of the buck converter for charging a battery. The sensor is configured to sense a total input current. The control unit receives the total input current that is sensed and compensates for a variation in an input current to the charge pump power converter based on whether the total input current meets a specified current variance.