Battery pack monitoring system

Details Battery pack monitoring system Battery pack monitoring system

1998-04-09

1999-06-15

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Battery or cell charging

With thermal condition detection

324433, H02J 700

Patent

active

059125489

ABSTRACT:
An electronic device for monitoring the operating conditions of a rechargeable battery, and includes a temperature monitor for monitoring the operating temperature of the rechargeable battery; a voltage determiner coupled to the rechargeable battery for measuring the potential level of the rechargeable battery; a one wire interface for outputting the information corresponding to the potential level of the rechargeable battery and the information corresponding to the temperature monitored by the temperature monitor; and a power regulator coupled to the rechargeable battery for supplying regulated power from the rechargeable battery to the temperature monitor and the voltage determiner. The voltage determiner includes an analog to digital converter and utilizes a successive approximation technique to determine and output a digital value corresponding to the potential level of the rechargeable battery.

REFERENCES:
patent: 4709202 (1987-11-01), Koenck et al.
patent: 5250893 (1993-10-01), Gambill et al.
patent: 5514945 (1996-05-01), Jones
patent: 5570004 (1996-10-01), Shibata
patent: 5754037 (1998-05-01), Ezell et al.

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