MM414x Series

MM414x series are Li-ion battery protection IC and detect charge current / discharge current with high precision by current sensing resistor (Rsns). MM414x have two step discharge overcurrent detection. And system is protected appropriately in the next 2 state, Normal discharge mode and large current discharge mode.

For one-cell

1) Range and accuracy of detection voltage
Overcharge detection voltage 3.8V to 4.8V, 5mV steps Accuracy±15mV
Overdischarge detection voltage 2.0V to 3.0V, 50mV steps Accuracy±35mV
Discharging overcurrent detection voltage 1 +3mV to +50mV, 0.1mV steps Accuracy±1.00mV(MM4140 Series)
Accuracy±0.75mV(MM4141 Series)
Accuracy±0.50mV(MM4142 Series)
Discharging overcurrent detection voltage 2 +6mV to +100mV, 0.5mV steps Accuracy±2.00mV(MM4140/MM4141 Series)
Accuracy±1.50mV(MM4142 Series)
Charging overcurrent detection voltage -50mV to -3mV, 0.1mV steps Accuracy±1.00mV(MM4140 Series)
Accuracy±0.75mV(MM4141 Series)
Accuracy±0.50mV(MM4142 Series)
Short detection voltage +10mV to +150mV, 1mV steps Accuracy±2.5mV
0V Battery Charging Inhibition Voltage 1.2V～2.0V, 0.1V steps Accuracy±0.2V(1.2V)
Accuracy±0.1V(1.3V～2.0V)

2) Low current consumption
Normal mode Typ. 2.5μA, Max. 4.0μA
Stand-by mode(Overdischarge Latch ""ENABLE"") Max. 0.1μA
Stand-by mode(Overdischarge Latch ""DISABLE"") Max. 0.5μA

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