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參數資料
| 型號： | MM1414 |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 電源管理 |
| 英文描述： | Protection of Lithium Ion Batteries |
| 中文描述： | POWER SUPPLY SUPPORT CKT, PDSO20 |
| 封裝： | TSOP-20 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 243K |
| 代理商： | MM1414 |
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
2. Consumption current (Vcell=4.4V)
3. Consumption current (Vcell=3.5V)
4. Consumption current (Vcell=1.8V)
5. Overcharge sensing dead time: can be set externally
6. PF detection: warning signal when cell voltage falls
±25mV/cell
50μA typ.
23μA typ.
2μA typ.
Package
TSOP-20A
Applications
IC for protection of lithium-ion batteries consisting of three or four cells
Pin Assignment
1
OV
N.C
CS
N.C
DCHG
N.C
CDC
COL
COV
GND
11
SEL
N.C
CON
N.C
V1
V2
V3
V4
N.C
V
CC
2
12
3
13
4
14
5
15
6
16
7
17
8
18
9
19
10
20
TSOP-20A
1
3
6
8
2
4 5
7
9
10
20
16
13
19
17
15 14
12
18
11
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