Charge and discharge control circuit and battery device

Details Charge and discharge control circuit and battery device Charge and discharge control circuit and battery device

2007-08-17

2010-12-21

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S135000, C320S136000

Reexamination Certificate

active

07855531

ABSTRACT:
When pulse charging is performed in an overcharge state or an overdischarge state in a charge and discharge control circuit and a battery device, a problem in that a pseudo overcurrent phenomenon occurs repeatedly to hinder normal operations of the charge and discharge control circuit and the battery device is addressed, thereby providing a safe battery device. Thus, there are provided a charge and discharge control circuit and a battery device having a structure in which charge overcurrent detection in the overcharge state and discharge overcurrent detection in the overdischarge state are invalidated.

REFERENCES:
patent: 5959437 (1999-09-01), Hamaguchi
patent: 2005/0182987 (2005-08-01), Sakurai
patent: 2002-176730 (2002-06-01), None

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