Multichip, battery protection apparatus, and battery pack
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United States of America Patent
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Jan 23, 2018
Grant Date -
Feb 2, 2017
app pub date -
Jul 20, 2016
filing date -
Jul 30, 2015
priority date (Note) -
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Abstract
A multichip in which a protection IC for detecting at least one of overcharge, over discharge, and overcurrent of a secondary battery and a monitoring IC for monitoring a battery state of the secondary battery are integrated in a package. The protection IC and the monitoring IC are not overlapped in a plan view. A regulator output terminal for the monitoring IC, a ground terminal common to the protection IC and the monitoring IC, a power supply terminal common to the protection IC and the monitoring IC, and a current detection terminal for the protection IC are disposed along a first side of package, and a communication terminal for the monitoring IC, a discharge control terminal for the protection IC, a charge control terminal for the protection IC, and a overcurrent detection terminal for the protection IC are disposed as external connection terminals along the second side of package.
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