Battery manager
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United States of America Patent
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-
Jul 31, 2001
Grant Date -
N/A
app pub date -
May 5, 2000
filing date -
May 5, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A battery manager that provides the ability to switch multiple batteries, battery cells, or other forms of power sources to power external devices individually, in series, and/or in parallel. The device is typically electronic based and consists of voltage level detecting circuits for comparing each power source to a reference voltage, FET control logic for controlling the switching matrix, and a switching matrix which accomplishes the required configuration of power sources to provide an output power source. The invention can be extended with the addition of an output power monitor, DC/DC converter, and control signals that augment internal switching. Depending upon implementation requirements, the battery manager can be in the form of a single integrated circuit.
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