MM1414 Datasheet - Advanced Analogic Technologies

MM1414 Protection of Lithium Ion Batteries

Pin No. Pin name I/O Overcharge detection output pin 1 OV Output NPNTr open collector output Normal: high impedance Overcharge: Low 2 N.C Not connected Overcurrent detection pin Monitors load current equivalently by the voltage drop between discharge control 3 CS Input FET source and drain, and make.

MM1414 Features

* 1. Overcharge detection voltage accuracy ±25mV/cell 2. Consumption current (Vcell=4.4V) 50µA typ. 3. Consumption current (Vcell=3.5V) 23µA typ. 4. Consumption current (Vcell=1.8V) 2µA typ. 5. Overcharge sensing dead time: can be set externally 6. PF detection: warning signal when cell voltage falls

MM1414_AdvancedAnalogicTechnologies.pdf