Short protection circuit for rechargable battery

Details Short protection circuit for rechargable battery Short protection circuit for rechargable battery

1998-07-02

2000-02-29

Berhane, Adolf Denske

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

Regulated discharging

H02M 1036

Patent

active

060313587

ABSTRACT:
To adapt to the relative small sizes of portable electronic devices, two battery output terminals of rechargeable batteries are frequently deployed in a close vicinity to each other. Consequently, rechargeable batteries are prone to cause output terminals short. To prevent such output terminals from shorting, a switching circuit and an activating signal generating circuit are deployed between a rechargeable battery and a pair of voltage output terminals. In response to an activating signal generated by the activating signal generating circuit, the switching circuit connects the rechargeable battery to the voltage output terminals. In absence of an activating signal, the switching circuit disconnects the rechargeable battery from the voltage output terminals, so that a short of the output terminals will not occur to the rechargeable battery even if the voltage output terminals are directly connected with each other.

REFERENCES:
patent: 4578628 (1986-03-01), Siwiak
patent: 5471128 (1995-11-01), Patino et al.
patent: 5477130 (1995-12-01), Hashimoto et al.
patent: 5570255 (1996-10-01), Hirata
patent: 5783998 (1998-07-01), Nakajou et al.
patent: 5793186 (1998-08-01), Watabe et al.
patent: 5801514 (1998-09-01), Saeki et al.
patent: 5834921 (1998-11-01), Mercke et al.
patent: 5835989 (1998-11-01), Nagai

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