MM3721 Datasheet 1cell Li-ion/Li-polymer battery protection

Manufacturer: MITSUMI

MM3721 1cell li-ion/li-polymer battery protection by MITSUMI - Datasheet Preview

Datasheet Details

Part number	MM3721
Manufacturer	MITSUMI
File Size	42.85 KB
Description	1cell Li-ion/Li-polymer battery protection
Datasheet	MM3721 Datasheet

Overview

MITSUMI 1cell Li-ion/Li-polymer battery protection IC MM3721 series 1cell Li-ion/Li-polymer battery protection IC MM3721 series Outline MM3721 series are Li-ion battery protection IC and detect charge current/discharge current with high precision by current sensing resistor (Rsns).

MM3721 have two step discharge overcurrent detection.

And system is protected appropriately in the next 2 state, Normal discharge mode and large current discharge mode.

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 Vdet1.
0.2V to Vdet1, 5mV step Overdischarge detection voltage 2.0V to 3.0V, 50mV step Overdischarge release voltage 2.0V to 3.0V, 50mV step Discharging overcurrent detection voltage 1 20mV to 150mV, 1mV step Discharging overcurrent detection voltage 2 Vdet3-1+10mV to 200mV, 1mV step Charging overcurrent detection v.

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