发明名称 CHARGE AND DISCHARGE CONTROL CIRCUIT, CHARGE AND DISCHARGE CONTROL UNIT, AND BATTERY DEVICE
摘要 Provided is a highly safe battery device in which the accuracy of an overcurrent detection current value is high. A charge and discharge control circuit includes an overcurrent detecting terminal, an overcurrent detecting circuit for detecting overcurrent of a secondary battery, the overcurrent detecting circuit being connected to the overcurrent detecting terminal, and a constant current circuit for causing a current to flow to the overcurrent detecting terminal.
申请公布号 US2014239909(A1) 申请公布日期 2014.08.28
申请号 US201414189451 申请日期 2014.02.25
申请人 Seiko Instruments Inc. 发明人 WATANABE Atsushi SAKURAI;MAETANI Fumihiko
分类号 H02J7/00;G01R31/36 主分类号 H02J7/00
代理机构 代理人
主权项 1. A charge and discharge control circuit for detecting a voltage and abnormality of a secondary battery, the charge and discharge control circuit comprising: an overcurrent detecting terminal; an overcurrent detecting circuit for detecting overcurrent of the secondary battery, the overcurrent detecting circuit being connected to the overcurrent detecting terminal; and a constant current circuit for causing a current to flow to the overcurrent detecting terminal.
地址 Chiba-shi JP