| 摘要 |
An apparatus for protecting a battery pack includes a fuse and a sense resistor, connected on a circuit path along which a charging or discharging current flows, and a fuse control switch for controlling the fuse. Also, the apparatus further includes a Schottky diode having one end connected to the sense resistor and the other end connected to the fuse control switch. Thus, destruction of a sense resistor serving an important role in the battery pack protecting apparatus is detected to melt and cut the fuse, thereby preventing any element from being damaged due to overcurrent and thus improving the safety of a battery pack at a low cost.
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