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MM1292

MITSUMI
Part Number MM1292
Manufacturer MITSUMI
Description Protection of Lithium Ion Batteries (two cells in series)
Published May 7, 2005
Detailed Description MITSUMI Protection of Lithium Ion Batteries (two cells in series) MM1292 Protection of Lithium Ion Batteries (two cell...
Datasheet PDF File MM1292 PDF File

MM1292
MM1292

Overview
MITSUMI Protection of Lithium Ion Batteries (two cells in series) MM1292 Protection of Lithium Ion Batteries (two cells in series) Monolithic IC MM1292 Outline This IC is for protecting a lithium ion battery from overcharging, excess discharging, and overcurrent.
If abnormalities occur during charging and excess voltage is applied, it has a function that turns off the external FET switch when voltage is applied to each battery beyond a specified time (overcharging detection).
It also has a function that turns off the external FET switch when the voltage for each battery falls below a set voltage, to prevent excess discharge when discharging the battery (discharging detection).
At that time, the IC is switched to low current consumption mode.
Also, when there is a large current flow due to shorting or other reasons, there is a function for turning off the external FET switch (overcurrent detection).
These functions comprise a protection circuit, with few external parts, for lithium i...


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