FLOAT CURRENT MONITOR
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United States of America Patent
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N/A
Issued Date -
Nov 17, 2011
app pub date -
May 12, 2011
filing date -
May 14, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A battery monitor device is provided for determining float current in a battery system. The battery monitor device is comprised of: a voltage sense circuit electrically coupled to opposing sides of a connector coupling two battery cells and operable to measure a voltage drop across the connector; a test load circuit that operates to apply a load across the least one battery cell and connector and measure current flow through the connector; and a controller configured to receive voltage drop measures from the voltage sense circuit and current measures from the test load circuit. The controller operates to determine a resistance of the connector and computes a float current flowing through the connector from the resistance and voltage drop measures taken only when a load is not being applied across the connector.
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