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:
Feb. 27, 2018
Filed:
Aug. 12, 2015
Silergy Semiconductor Technology (Hangzhou) Ltd, Hangzhou, ZheJiang Province, CN;
Kailang Hang, Hangzhou, CN;
Chen Zhao, Hangzhou, CN;
Silergy Semiconductor Technology (Hangzhou) LTD, Hangzhou, CN;
Abstract
An apparatus can include: (i) a first switch coupled to an external interface and an inductor; (ii) a second switch coupled to ground and a common node between the first switch and the inductor; (ii) a third switch coupled to ground and a common node between the inductor and a fourth switch, where the inductor and first, second, third, and fourth switches form a power converter; (iii) a charge and discharge control circuit coupled to the power converter, and being configured to control the first, second, third, and fourth switches; and (iv) a chargeable battery coupled to the fourth switch, where the power converter is configured to provide a current to the battery when the external interface is coupled to an external power supply, and where the power converter is configured to provide a current to a load when the external interface is coupled to the load.