mm1451 Mitsumi Electronics, Corp., mm1451 Datasheet
mm1451
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mm1451 Summary of contents
Page 1
... Output current (Vcell=V =4 Package VSOP-8B Applications For double protection for 1 to 3-cell lithium-ion batteries Pin Assignment VSOP - 8B Protection for Lithium-Ion Batteries (for double protection) MM1451 3µA typ. 0.3µA typ. ±50 mV/cell ±0.3µA max. 1.5s typ. 500µA typ ...
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... MITSUMI MITSUMI Block Diagram Protection for Lithium-Ion Batteries (for double protection) MM1451 ...
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... MITSUMI Pin Description Pin No. Pin name V3 3-cell power supply 1 V2 2-cell power supply 2 V1 1-cell power supply 3 Ct Delay capacity pin 5 OUT OUT pin 7 Protection for Lithium-Ion Batteries (for double protection) MM1451 Functions Equivalent circuit diagram ...
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... Electrical Characteristics Item Current consumption 1 Current consumption 2 Pin I/O current between cells Overcharge detection voltage Hysteresis voltage Overcharge detection delay time Output current Output leakage current Measuring Circuit Protection for Lithium-Ion Batteries (for double protection) MM1451 (Ta=25°C) Symbol T OPR T STG ...
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... Timing Chart 4.45V 4.40V V1~V3 Ct 1.8V 0.75V OUT OUT (at Ct short) (at Ct open) Note: Output goes high simultaneously with overcharge detection at Ct pin short and open. Protection for Lithium-Ion Batteries (for double protection) MM1451 pin last. CC 1.5s V3, and V V1OR CC ...
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... Consumption current 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Cell voltage (V) Output current 500 250 -25 25 Temperature (˚C) Protection for Lithium-Ion Batteries (for double protection) MM1451 Output delay time 4.400 4.450 Pin I/O current between cells 75 3.0 2.5 2.0 2200p pm 2200ppm -500p pm -500ppm 1.5 1.0 0.5 0.0 -25 25 Temperature (°C) ...