深圳市科瑞芯电子有限公司

美上美/MITSUMI MM3474GB2VBE TSOP-20D 3到5个电池的锂离子/锂聚合物电池保护IC MM3474GB2VBE原厂原装

MM3474GB2VBE Features (Unless otherwise specifi ed, Topr=+25°C)
(1) Range and accuracy of detection / release voltage
● Overcharge detection voltage 3.6V to 4.5V, 5mV steps Accuracy±25mV (Topr=±0 to +50°C)
● Overcharge release voltage 3.4V to 4.5V, 50mV steps Accuracy±50mV
● Overdischarge detection voltage 2.0V to 3.0V, 50mV steps Accuracy±80mV
● Overdischarge release voltage 2.0V to 3.4V, 50mV steps Accuracy±100mV
● Overcurrent detect voltage 50mV to 300mV, 5mV steps Accuracy±15mV
● Short detection voltage 0.2V to 1.0V, 50mV steps Accuracy±100mV
(2) Each detection delay time set by the external capacitor
(3) The setting for three cell , for four cell , and for fi ve cell protection can be set with the SEL1 pin
and the SEL2 pin.
(4) The charge and discharge of the battery can be controlled with SDC pin and SOC pin.
(5) Low current consumption
● Consumption current1 (Vdd) , Vcell=4.4V Typ. 10.0μA, Max. 20.0μA
● Consumption current2 (Vdd) , Vcell=3.5V Typ. 5.0μA, Max. 10.0μA
● Consumption current3 (Vdd) , Vcell=1.8V Typ. 1.5μA, Max. 3.0μA
● Consumption current1 (V5) , Vcell=4.4V Typ. 4.0μA, Max. 8.0μA
● Consumption current2 (V5) , Vcell=3.5V Typ. 3.0μA, Max. 6.0μA
● Consumption current3 (V5) , Vcell=1.8V Typ. 1.5μA, Max. 3.0μA
(6) Absolute maximum ratings
● VDD pin VSS2?0.3V to +30V
● V5 pin V4?0.3V to VDD+0.3V
● Between the input terminals of voltage of battery ?0.3V to +10V
● V? pin, CS pin VDD-30V to VDD+0.3V
● OV pin, DCHG pin VSS2-0.3V to VDD+0.3V
● SEL pin VSS2?0.3V to VDD+0.3V
● SDC pin, SOC pin VSS2-0.3V to VDD+0.3V
● Storage temperature -55oC to +125oC
● Operation temperature -40oC to +85oC

MM3474GB2VBE规格书

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