Patent ID: 9680299
Date: 2017-06-13
CPC Classifications: H01M,H02H,H02J,H05K,Y02E

Claim:
1. A battery protection integrated circuit that is to be mounted on a circuit board so as to be provided between a battery and either of a battery charger and an electronic device, the battery having a flat rectangular parallelepiped outer shape, the circuit board having a long and thin rectangular shape corresponding to the shape of a side surface of the battery so as to be attached to the side surface of the battery, the circuit board at least including the battery protection integrated circuit being configured to control, when being mounted on the circuit board, current that flows between a current path of charge and discharge between the first terminal and the second terminal of the circuit board, the battery protection integrated circuit comprising: wherein the control unit includes a nonvolatile memory in which data is capable of being written by writing voltage input to the terminal for writing data, the nonvolatile memory is configured to store parameter data that defines a specification of the control unit, and the control unit is configured to perform a protection operation of the battery based on the parameter data that is read from the nonvolatile memory, and wherein the all of the external connection terminals that are to be connected to the first terminal of the circuit board includes the terminal for writing data so that the terminal for writing data is configured to be electrically connected to the minus terminal of the battery via the first terminal, when being mounted on the circuit board.