| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly reliable battery system.SOLUTION: A battery system comprises: a battery part; a plurality of sensing lines, which are used to detect the voltages of each battery cell of the battery part; integrated circuits, which are provided in every cell group and to which sensing lines for detecting the voltages of each battery cell in each cell group are connected; and a case, in which boards for mounting the plurality of integrated circuits provided for every cell group are housed. The integrated circuits include internal diodes between a pair of connection terminals to which a pair of sensing lines for detecting the voltage of the lowest battery cell in the battery part are connected, diodes for coping with disconnection are connected to an outside of the integrated circuit between the pair of connection terminals, the diodes for coping with disconnection are connected so that a voltage drop of the diodes for coping with disconnection when supplying a prescribed current in a forward direction, is lower than that of the internal diode, and a forward direction for the pair of connection terminals is same as that of the internal diodes. |
