Secondary protection IC, method of controlling secondary protection IC, protection module, and battery pack
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United States of America Patent
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Dec 12, 2017
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N/A
app pub date -
Dec 2, 2014
filing date -
Dec 6, 2013
priority date (Note) -
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Abstract
A secondary protection IC is connected in parallel with a rechargeable battery and controls the charge and discharge of the rechargeable battery separately from a primary protection IC. The secondary protection IC includes a detection circuit that detects an overcharge or overdischarge of the rechargeable battery, a regulator that stabilizes the voltage of the rechargeable battery and outputs the stabilized voltage to the outside of the rechargeable battery, and a control terminal that controls the regulator with a control signal. Each of the detection circuit and the regulator performs a normal operation or stops operating based on the voltage of the rechargeable battery and the control signal.
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