Advanced Analogic Technologies MM1414
This function does not operate in discharge mode.| Part No. | MM1414 |
|---|---|
| Datasheet | MM1414 Download |
| Manufacturer |  Advanced Analogic Technologies |
| Description | Protection of Lithium Ion Batteries |
| Buy | Stock & Price |
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 Package TSOP-20AAPPLICATIONS
IC for protection of lithium-ion batteries consisting of three or four cells Pin Assignment 1 2 3 20 19 18 17 16 15 14 13 12 11 4 5 1 2 3 4 5 6 7 8 9 10 TSOP-20A 6 7 8 9 10 OV N.C CS N.C DCHG N.C CDC COL COV GND 11 12 13 14 15 16 17 18 19 20 SEL N.C CON N.C V1 V2 V3 V4 N.C VCC MITSUMI Protection of Lithium Ion Batteries MM1414 Block Diagram MITSUMI Protection of Lithium Ion Batteries MM1414 PinDESCRIPTION
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...
