MITSUMI Control of Lithium Ion Battery Charging and Discharging MM1248 Control of Lithium Ion Battery Charging and Discharging Monolithic IC MM1248 Outline This IC was developed for use in controlling charging and discharging of lithium ion batteries (battery modules with three cells connected in series).
In charging control, the voltage of the battery module as a whole is controlled in constant-voltage control.
Discharge control and monitoring of overvoltage rely on monitoring of the voltages of individual cells.
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Charging control voltage VBATH=12.
465V±1.
5% (Ta=-20°C~70°C) Overcharge detection voltage VCELL=4.
335V±1.
5% (Ta=-20°C~70°C) Internal circuit for setting ...

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