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:
Jun. 08, 2021
Filed:
Jun. 13, 2018
Via Labs, Inc., New Taipei, TW;
Tze-Shiang Wang, New Taipei, TW;
VIA LABS, INC., New Taipei, TW;
Abstract
A start-up apparatus for a battery management circuit and a battery management system having the same are provided. The start-up apparatus for the battery management circuit includes a transformer, a switch circuit, a control circuit, and a rectifier circuit. The transformer includes a primary winding, an auxiliary winding, and a secondary winding. A first terminal of the primary winding is coupled to a first external power path. A first terminal of the switch circuit is coupled to a second terminal of the primary winding, and a second terminal of the switch circuit is coupled to a second external power path. The control circuit is coupled to the auxiliary winding for receiving power and controls a conduction state of the switch circuit. The rectifier circuit is coupled to the secondary winding of the transformer and supplies power to the battery management circuit.