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參數(shù)資料
| 型號： | AIC1803CCS |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | STACKING SNAP B-PLUG |
| 中文描述： | 三節(jié)鋰離子電池保護(hù)IC |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 161K |
| 代理商： | AIC1803CCS |
AIC1803
Three-Cell Lithium-Ion Battery Protection IC
DS-1803-01 July 14, 00
www.analog.com.tw
1
n
FEATURES
l
Ultra-Low Quiescent Current at 13
μ
A (V
CELL
=3.5V).
l
Ultra-Low Power-Down Current at 1.3
μ
A (V
CELL
=2.3V)
l
Wide Supply Voltage Range: 2V to 18V.
l
Precision Overcharge Protection Voltage:
4.35V
±
30mV for the AIC1803A
4.30V
±
30mV for the AIC1803B
4.25V
±
30mV for the AIC1803C
4.20V
±
30mV for the AIC1803D
l
Externally Set Overcharge,
Overcurrent Delay Time.
l
Built-in Cell-balancing Bleeding Network under
Overcharge Condition.
l
Three Detection Levels for Overcurrent Protection.
n
APPLICATIONS
l
Protection IC for Three-Cell Lithium-Ion Battery Pack.
Overdischarge and
n
DESCRIPTION
The AIC1803 is designed to protect the lithium-
ion battery from damage or degrading the lifetime
due
to
overcharging,
overcurrent for three-cell lithium-ion battery
powered systems such as notebook PCs. It can
also provide the cell-balancing “bleeding” function
to automatically discharge the overcharged cell
until the overcharge condition is released.
overdischarging
and
Safe and full utilization charging is ensured by
the accurate
±
30mV overcharge detection. Four
different specification values for overcharge
protection voltage are provided for various
protection requirements. The very low standby
current drains little current from the cell while in
storage.
n
TYPICAL APPLICATION CIRCUIT
1K
1M
BATT+
FUSE
R8
R4
R1 2K
1K
0.1
μ
F
C4
VC1
AIC1803
UD1
VCC
OC
CS
OD
3
2
1
16
15
14
1M
BAT1
0.1
μ
F
NC
4
VC2
VC3
UD3
GND
UD2
11
10
9
13
12
NC
TI
6
TC
7
8
TD
5
R6
R5
BATT-
R7
1M
33K
R3
BAT3
BAT2
C1
Q1
M2
M1
2K
R2
0.1
μ
F
C2
0.1
μ
F
C3
C
TD
82nF
C
TI
2.2nF
C
TC
82nF
Protection Circuit for Three-Cell Lithium-Ion Battery Pack
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