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MM1248 - Control of Lithium Ion Battery Charging and Discharging

Features

  • 1. 2. 3. 4. 5. 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 dead time (for overvoltage detection, discharge control) Low consumption current on overdischarge IBATH3=1µA typ. High-precision internal overvoltage detection startup circuit (cell voltage 4.2V or higher at end of charging) Package SOP-16B (MM1248XF) Absolute Maximun Ratings Item Storage temperature Operating temperature Input v.

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Datasheet Details

Part number MM1248
Manufacturer MITSUMI
File Size 210.01 KB
Description Control of Lithium Ion Battery Charging and Discharging
Datasheet download datasheet MM1248 Datasheet
Additional preview pages of the MM1248 datasheet.

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Full PDF Text Transcription

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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. Features 1. 2. 3. 4. 5. Charging control voltage VBATH=12.465V±1.5% (Ta=-20°C~70°C) Overcharge detection voltage VCELL=4.335V±1.
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