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PDF MM1414 Data sheet ( Hoja de datos )
| Número de pieza | MM1414 | |
| Descripción | Protection of Lithium Ion Batteries | |
| Fabricantes | Advanced Analogic Technologies | |
| Logotipo |  |
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MITSUMI
Protection of Lithium Ion Batteries MM1414
Protection of Lithium Ion Batteries
Monolithic IC MM1414
Outline
This IC is use to protect lithium-ion batteries consisting of three or four cells. It adopts a compact package
and has the functions of previous models, with functions for overcharge detection, overdischarge detection
and overcurrent detection. A dead time can be set externally.
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-20A
Applications
IC for protection of lithium-ion batteries consisting of three or four cells
Pin Assignment
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
TSOP-20A
1
2
3
4
5
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
1 page  
MITSUMI
Protection of Lithium Ion Batteries MM1414
Equivalent circuit diagram
Equivalent circuit diagram
17 ; V3
18 ; V4
Absolute Maximum Ratings (Ta=5°C)
Item
Storage temperature
Operating temperature
Power supply voltage
OV pin impressed voltage
SEL pin impressed voltage
CON pin impressed voltage
Allowable loss
Symbol
TSTG
TOPR
VCC max.
VOV max.
VSEL max.
VCON max.
Pd
Ratings
-40~+125
-20~+70
-0.3~24
-0.3~24
-0.3~24
-0.3~24
300
Recommended Operating Conditions
Item
Operating temperature
Operating voltage
Symbol
TOPR
VOPR
Ratings
-20~+70
+1.8~+24
Unit
°C
°C
V
V
V
V
mW
Unit
°C
V
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MM1414.PDF ] | |
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