Rechargeable battery power supply overcharge protection circuit
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United States of America Patent
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Nov 9, 1999
Grant Date -
N/A
app pub date -
Jul 14, 1997
filing date -
Jul 14, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rechargeable power supply overcharge protection circuit is provided with shunt circuits that shunt current about a battery or battery cell (15, 16 and 17) of a string of battery cells when it is charged to a maximum charge limit. The shunt circuit includes shunt regulators (20) connected across each battery cell.
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