Battery monitoring circuit and method

Details Battery monitoring circuit and method Battery monitoring circuit and method

2005-03-30

2009-06-30

Han, Jessica (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

With detection of current or voltage integral

C320S159000

Reexamination Certificate

active

07554299

ABSTRACT:
A battery-monitoring circuit detects rapid changes in current drawn from a battery by a device powered thereby. The circuit includes calibrating operating modes that determine voltage-to-frequency conversion parameters, and amplifier errors at various levels of battery voltage.

REFERENCES:
patent: 4820966 (1989-04-01), Fridman
patent: 5451881 (1995-09-01), Finger
patent: 6812674 (2004-11-01), Hoffman
patent: 6856922 (2005-02-01), Austin et al.
patent: 6985037 (2006-01-01), Veal

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