Protection circuit for battery pack and battery pack including the same
AssigneeSamsung SDI Co., Ltd.
InventorsWoojin Lee, Jonghwa Hur
Life of this patent
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Abstract
A protection circuit for a battery pack including a rechargeable battery cell having a positive electrode and a negative electrode is disclosed. The protection circuit includes a self-discharge switching device electrically connected to the positive electrode and the negative electrode of the battery cell, and a control unit electrically connected to the battery cell and the self-discharge switching device to turn-on or turn-off the self-discharge switching device according to a temperature of the battery cell.
Claims14
A protection circuit for a battery pack including a rechargeable battery cell having a positive electrode and a negative electrode, comprising:
- a self-discharge switching device electrically connected to the positive electrode and the negative electrode of the battery cell;
- a control unit electrically connected to the battery cell and the self-discharge switching device to turn-on or turn-off the self-discharge switching device according to a temperature of the battery cell;
- and
- a self-discharge indicating member electrically connected between the battery cell and the self-discharge switching device.
A battery pack comprising a protection circuit and a rechargeable battery cell having a positive electrode and a negative electrode, the protection circuit comprising:
- a self-discharge switching device electrically connected to the positive electrode and the negative electrode of the battery cell;
- a control unit electrically connected to the battery cell and the self-discharge switching device, the control unit being configured to turn-on or turn-off the self-discharge switching device according to a temperature of the battery cell;
- and
- a self-discharge indicating member electrically connected between the battery cell and the self-discharge switching device.
Dependencies are inferred from the claim text.