Battery voltage monitor and disconnection circuit

Details Battery voltage monitor and disconnection circuit Battery voltage monitor and disconnection circuit

1996-04-29

1997-09-16

Tso, Edward

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 48, H01M 1046, H01M 1048

Patent

active

056684657

ABSTRACT:
A battery saver circuit compares the battery terminal voltage to a programmable reference voltage and disconnects the battery from the load when the measured battery voltage falls below a predetermined minimum value. The reference voltage is programmable by a transfer function generator which varies the reference voltage in accordance with the current drawn by the load to account for the voltage drop in the line series wiring. A fault indicator is included to prevent chatter in the relay by raising the battery voltage necessary to reconnect the battery to the load. The fault indicator is reset when the battery is recharged.

REFERENCES:
patent: 5111148 (1992-05-01), Senoo et al.
patent: 5327068 (1994-07-01), Lendrum et al.
patent: 5343137 (1994-08-01), Kitaoka et al.
patent: 5451881 (1995-09-01), Finger

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