BATTERY MONITORING SYSTEM, SEMICONDUCTOR DEVICE, BATTERY ASSEMBLY SYSTEM, BATTERY MONITORING IC
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Jan 20, 2014
filing date -
Jan 18, 2013
priority date (Note) -
Abandoned
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Abstract
Provides a battery monitoring system including a battery cell number setting section that sets each LSI with the respectively individual number of battery cells C to which they are connected. When a command to sequentially measure the battery voltage of the battery cells is input, a cell selection control section compares the setting value with the commanded measurement start battery cell number. When the setting value is equal to or greater, performs measurement in sequence starting from the battery cell corresponding to the measurement start battery cell number. When the setting value is less, measurement is performed in sequence starting from the battery cell corresponding to the setting value. In a boost control section, during when the battery voltages with 3 higher potential battery cells is measured, a power source voltage is boosted by a charge pump and is supplied to first and second buffer amplifier.
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