BATTERY PROTECTION DEVICE AND TESTING METHOD THEREOF
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United States of America Patent
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Issued Date -
Jul 11, 2013
app pub date -
Jul 24, 2012
filing date -
Jan 5, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A battery protection device is disclosed in the present invention. The battery protection device includes a voltage detecting circuit and a controller coupled to the voltage detecting circuit. The voltage detecting circuit includes a testing unit, a switch coupled to the testing unit, a comparator coupled to an input voltage source and the switch for comparing a value of the input voltage source with a value of the switch, and a determining unit coupled to the comparator for outputting a determining signal when receiving a prompting signal from the comparator. The controller is for receiving an external testing command to switch the switch from a reference voltage source from a testing voltage source via the testing unit, so as to inspect whether the voltage detecting circuit is normal by the determining signal of the determining unit.
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