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.

Date of Patent:
May. 12, 2020

Filed:

Apr. 15, 2016
Applicant:

Renesas Electronics Corporation, Tokyo, JP;

Inventor:

Manabu Miyamoto, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/3835 (2019.01); G01R 31/396 (2019.01); G01R 15/04 (2006.01); G01R 19/165 (2006.01); G01R 31/36 (2020.01);
U.S. Cl.
CPC ...
G01R 31/3835 (2019.01); G01R 15/04 (2013.01); G01R 31/396 (2019.01); G01R 19/16542 (2013.01); G01R 31/3648 (2013.01);
Abstract

A battery voltage monitoring apparatus monitoring a voltage of an assembled battery, the assembled battery including a plurality of battery cells, comprising; a first voltage sensor module that monitors voltages of a plurality of battery cells arranged at a high voltage side; and a second voltage sensor module that monitors voltages of a plurality of battery cells arranged at a low voltage side, wherein the second voltage sensor module comprises a voltage sensor that is connected to a terminal and detects a voltage of a battery cell connected to the terminal, the terminal being supplied with a power source potential of the second voltage sensor module, the voltage sensor comprises a comparator including a first terminal and a second terminal, the first terminal being supplied with a voltage according to the voltage of the battery cell, the second terminal being supplied with a reference voltage.


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