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AAT8636 데이터시트 PDF




AAT에서 제조한 전자 부품 AAT8636은 전자 산업 및 응용 분야에서
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부품번호 AAT8636 기능
기능 ONE-CELL LI-ION BATTERY PROTECTION IC
제조업체 AAT
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AAT8636 데이터시트, 핀배열, 회로
Advanced Analog Technology, Inc.
Details are subject to change without notice
AAT8636 Series
ONE-CELL LI-ION BATTERY PROTECTION IC
FEATURES
GENERAL DESCRIPTION
Ideal for One-Cell Rechargeable Li-Ion Battery
The AAT8636 series are protection ICs designed
Pack.
to safeguard one-cell rechargeable Li-Ion battery
Low Current Consumption
3.0µA …………..Supply Current (Typical)
0.1µA …………..Standby Current
pack against over charge, over discharge, over
current, and short circuit. The AAT8636 series
use advanced high voltage CMOS process to
High Withstand Voltage
Absolute Maximum Ratings..22V ( VDD VN )
High Accuracy Voltage Detection
provide high accuracy voltage detection and low
current consumption.
The AAT8636 series incorporate a reference unit
Over Charge Detector…………... ± 20mV
and three voltage detectors. During the charging
Over Discharge Detector………. ± 2.5%
process, when the cell voltage ( VDD ) is charged to
Over Current and Short Circuit Protection
a value higher than the over charge threshold
Wide Operating Temperature Range 40o C
www.DataSheet4U.com
to voltage
( VC1),
the
over
charge
detector
(COM1)
85o C
will switch the output pin ( COUT ) to a low level
Ultra Small Package……..SOT26
within a delay time ( t C1 ), and thus turning off the
PIN CONFIGURATION
MOSFET connected to the charging path. The
COUT pin may change to high level again when
the VDD voltage falls below “ VC1 VHYS ”, or
when VDD falls below VC1 while the charger is
disconnected from the battery pack.
DOUT
During the discharging process, when the VDD
GND
drops to a value lower than the over-discharge
threshold voltage ( VD1 ), the over-discharge
VN VDD detector (COM2) will switch DOUT to low level
within a delay time ( t D1 ), and thus turning off the
COUT Cext MOSFET connecting to the discharging path. In
the mean time, the AAT8636 series will enter a
low current standby mode. Once into standby
mode, the systems can only be released from
––
Advanced Analog Technology, Inc.
Page 1 of 16
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AAT8636 pdf, 반도체, 판매, 대치품
Advanced Analog Technology, Inc.
ABSOLUTE MAXIMUM RATINGS
Symbol
VDD
Item
Supply Voltage
VN
VCext
VCout
VDout
Pd
TC
Tstorage , Tj
Input Voltage
Output Voltage
VN Pin
Cext Pin
COUT Pin
DOUT Pin
Power Dissipation
Operating Temperature Range
Storage and Junction Temperature
AAT8636 Series
Rating
0.3 to 12
VDD 22 to VDD +0.3
GND 0.3 to VDD +0.3
VDD 22 to VDD +0.3
GND 0.3 to VDD +0.3
160
40 to +85
50 to +120
Unit
V
V
V
V
V
mW
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. Exposure to absolute maximum rating conditions for extended period of time may affect device
reliability.
––
Advanced Analog Technology, Inc.
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AAT8636 전자부품, 판매, 대치품
Advanced Analog Technology, Inc.
AAT8636 Series
ELECTRICAL CHARACTERISTICS
•AAT8636C
Toper =25
Symbol
Item
Conditions
Min Typ Max Unit
VDD1 Operating Input Voltage
Voltage Defined as
VDD GND
1.5
10.0 V
VC1
Detect Rising Edge of Supply
Over Charge Threshold Voltage
4.30
4.32
4.34 V
Voltage
VHYS Over Charge Threshold
Hysteresis Range
t C1 Over Charge Delay Time
0.15 0.20 0.25 V
C3 = 0.01µF , VDD =3.6V to
60 75 90 ms
4.4V
VD1 Over Discharge Threshold
Voltage
t D1 Over Discharge Delay Time
Detect Falling Edge of
Supply Voltage
VDD =3.6V to 2.4V
2.437
7
2.500
10
2.563
13
V
ms
VOC Over Current Detection
Voltage
Detect Rising Edge of VN
0.17 0.20 0.23 V
Pin Voltage
t OC Over Current Detection Delay VDD =3.0V
Time
Vshort Short Circuit Detection Voltage VDD =3.0V
9 13 17 ms
VDD 1.2 VDD 0.9 VDD 0.6 V
tshort Short Circuit Detection Delay VDD =3.0V
Time
5 50 µs
R short Reset Resistance for Over
Current Protection
VOL1 Nch ON Voltage of COUT
VOH1 Pch ON Voltage of COUT
VOL2 Nch ON Voltage of DOUT
VOH2 Pch ON Voltage of DOUT
IDD Supply Current
Is tan dby Standby Current
VDD =3.6V, VN=1.0V
IOL =50 µA , VDD =4.4V
IOH = 50 µA , VDD =3.9V
IOL =50 µA , VDD =2.4V
IOH = 50 µA , VDD =3.9V
VDD =3.9V,VN =0V
VDD =2.0V
50
3.4
3.4
100 150 k
0.35 0.50 V
3.7 V
0.2 0.5 V
3.7 V
3.0 5.0 µA
0.1 µA
––
Advanced Analog Technology, Inc.
Page 7 of 16
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