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. 02, 2024
Filed:
May. 20, 2019
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
To improve reliability in balancing while suppressing power consumption during balancing. A battery management deviceincludes cell consandthat perform balancing for adjusting voltages of a plurality of battery cellsthat are secondary batteries, and a control unitthat controls the cell consand. The cell conincludes the main timerthat measures the elapsed time for stopping the cell con, and the stop management unitthat stops the cell conwhen the main timeris abnormal. In the battery management device, the battery cellthat supplies power to the main timerand the stop management unit, and the lead storage batterythat supplies power to the control unitare power supplies different from each other.