Battery-voltage monitoring integrated-circuit and...

Details Battery-voltage monitoring integrated-circuit and... Battery-voltage monitoring integrated-circuit and...

2007-07-24

2007-07-24

Easthom, Karl (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S136000, C320S118000, C320S116000

Reexamination Certificate

active

11178395

ABSTRACT:
A first voltage source terminal, to which a first voltage is input, is connected to a maximum voltage terminal of serially-connected secondary batteries to be monitored. A second voltage source terminal, to which a second voltage is input, is connected to a minimum voltage terminal of the secondary batteries. A battery-voltage detecting unit outputs a detection signal based on a result of a voltage monitoring. A first reference-voltage generating unit receives the first and the second voltages as operating voltages, and generates a first reference voltage. A voltage converting unit receives the detection signal, and converts the detection signal received into either the first reference voltage or the second voltage. An output terminal outputs the detection signal converted, as an output detection signal.

REFERENCES:
patent: 6020717 (2000-02-01), Kadouchi et al.
patent: 6172485 (2001-01-01), Fujita et al.
patent: 6396246 (2002-05-01), Haraguchi et al.
patent: 6492791 (2002-12-01), Saeki et al.
patent: 2003/0044689 (2003-03-01), Miyazaki et al.
patent: 2001-085067 (2001-03-01), None
patent: 2001-224138 (2001-08-01), None

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