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AIC1811CCV Datasheet(PDF) 1 Page - Analog Intergrations Corporation

Part # AIC1811CCV
Description  One-Cell Lithium-Ion Battery Protection IC
Download  8 Pages
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Manufacturer  AIC [Analog Intergrations Corporation]
Direct Link  http://www.analog.com.tw
Logo AIC - Analog Intergrations Corporation

AIC1811CCV Datasheet(HTML) 1 Page - Analog Intergrations Corporation

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AIC1811
One-Cell Lithium-Ion Battery Protection IC
DS-1811-00 June 7, 00
www.analog.com.tw
1
n FEATURES
l
Reduction
in
Board
Size
due
to
Miniature
Package
SOT-23-5
and
Less
External
Components.
l
Ultra-Low Quiescent Current at 7
µA (V
CC=3.5V).
l
Ultra-Low Power-Down Current at 0.4
µA (V
CC
=2.3V).
l
Precision Overcharge Protection Voltage
4.35V
± 50mV for the AIC1811A
4.30V
± 50mV for the AIC1811B
4.25V
± 50mV for the AIC1811C
l
Built-in Delay
Time Circuits
for
Overcharge,
Over-discharge, and Overcurrent Protection.
l
Load
Detection
Function
during
Overcharge
Mode.
l
Two Detection Levels for Overcurrent Protection.
n APPLICATIONS
l
Protection IC for One-Cell Lithium-Ion Battery
Pack.
n DESCRIPTION
The AIC1811 battery protection IC is designed to
protect
lithium-ion
battery
from
damage
or
degrading
the
lifetime
due
to
overcharge,
overdischarge, and/or
overcurrent for one-cell
lithium-ion battery powered systems, such as
cellular phones. The ultra-small package and less
required external components make it ideal to
integrate the AIC1811 into the limited space of
battery pack.
The
accurate
±50mV overcharging detection
voltage ensures safe and full utilization charging.
Three 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
BATT-
BATT+
51K
5
4
3
2
1
R2
R3
FUSE
C1
0.1
µF
R1
100
10M
M2 SI9926
M1
SI9926
OC
CS
OD
GND
VCC
AIC1811
Protection Circuit for One -Cell Lithium-Ion Battery


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