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:
Sep. 22, 2009
Filed:
Jul. 14, 2005
Applicants:
Kazuhiro Ooshita, Atsugi, JP;
Akira Ikeuchi, Atsugi, JP;
Itsuki Nakano, Atsugi, JP;
Inventors:
Assignee:
Mitsumi Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/04 (2006.01); G01R 11/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lithium-ion battery protection module is disclosed. The lithium-ion battery protection module includes a control IC chip. The control IC chip includes a discharge overcurrent detector, a charge overcurrent detector, and a temperature detector. The control IC chip is mounted on a charge control FET and a discharge control FET so as to highly accurately detect the temperature of the charge control FET and the discharge control FET.