MITSUMI
Protection of Lithium-Ion Batteries (for Double-Protect) MM1451
Protection of Lithium-Ion Batteries (for Double-Protect)
Monolithic IC MM1451
Outline
This IC is used for double-protection of lithium-ion batteries with from one to three cells, and has an ultra-
compact package. Short-circuits between cells accommodate series connections of one to three cells.
Features
1. Overcharge detection voltage accuracy (0擄C to 50擄C)
2. Consumption current (Vcell=3.8V)
3. Consumption current (Vcell=2.3V)
4. Pin I/O current between cells (Vcell=3.8V)
5. Delay time on overcharge voltage detection (Ct=0.22碌F)
6. Output current (Vcell=V
CC
=4.5 V)
鹵50 mV/cell.
3碌A(chǔ) typ.
0.3碌A(chǔ) typ.
0.3碌A(chǔ) max.
1.5S typ.
500碌A(chǔ) typ.
Package
VSOP-8B
Applications
IC for double-protection of lithium-ion batteries with one to three cells.
Pin Assignment
1
2
8
7
6
5
3
4
1
2
3
4
5
6
VSOP-8B
7
8
V3
V2
V1
GND
Ct
N.C
OUT
V
CC