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MM3722 - 1cell Li-ion/Li-polymer battery protection

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Datasheet Details

Part number MM3722
Manufacturer MITSUMI
File Size 43.00 KB
Description 1cell Li-ion/Li-polymer battery protection
Datasheet download datasheet MM3722 Datasheet

Overview

MITSUMI 1cell Li-ion/Li-polymer battery protection IC MM3722 Series 1cell Li-ion/Li-polymer battery protection IC MM3722 Series Outline MM3722 series are Li-ion battery protection IC and detect charge current / discharge current with high precision by current sensing resistor (Rsns).

In the One-cell battery pack, on resistance of the FET SW has been used for over-current/short-current detection.

MM3722 realize over-current/short-current protection with high accuracy and with no temperature dependence by using a chip resistor.

Key Features

  • (Unless otherwise specified, Topr=+25°C) (1) Range and accuracy of detection voltage Overcharge detection voltage 3.6V to 5.0V, 5mV step Overcharge release voltage Overdischarge detection voltage Overdischarge release voltage Vdet1.
  • 0.2V to Vdet1, 5mV step 2.0V to 3.0V, 50mV step 2.0V to 3.0V, 50mV step Discharging overcurrent detection voltage Charging overcurrent detection voltage Short detection voltage1 Short detection voltage2 0V batter.

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