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. 27, 2018
Filed:
May. 21, 2015
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Justin Shi, Ann Arbor, MI (US);
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Abstract
A battery fuel gauge apparatus comprises a protection device coupled to a battery pack, a current mirror device, wherein a first terminal of the current mirror device is connected to a first terminal of the protection device through a first switch and a second terminal of the current mirror device is connected to a second terminal of the protection device through a second switch, a sensing device coupled to the current mirror device, a transistor coupled to the sensing device and an operational amplifier comprising a first input coupled to the protection device, a second input coupled to the current mirror device and an output coupled to the transistor.