Sealed lead-acid battery float charger and power supply
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United States of America Patent
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-
May 5, 1987
Grant Date -
N/A
app pub date -
Jan 9, 1986
filing date -
Jan 9, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power supply is provided with a predetermined nonlinear temperature coefficient for float charging sealed lead-acid batteries and providing power to a load. A temperature compensation network in the power supply provides the predetermined nonlinear temperature coefficient by using a linear temperature coefficient element (forward biased silicon diode) and a nonlinear temperature coefficient element (thermistor) in combination. Additionally, an over-voltage protection circuit, to disable the power supply should the output voltage exceed a predetermined value, is disclosed having a second temperature compensation network to compensate for the output voltage variation with temperature of the power supply.
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