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AAT8641B Datasheet(PDF) 4 Page - Advanced Analog Technology, Inc.

Part # AAT8641B
Description  ONE-CELL LI-ION BATTERY PROTECTION IC
Download  25 Pages
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Manufacturer  AAT [Advanced Analog Technology, Inc.]
Direct Link  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT8641B Datasheet(HTML) 4 Page - Advanced Analog Technology, Inc.

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Advanced Analog Technology, Inc.
台灣類比科技股份有限公司
Advanced Analog Technology, Inc.
Page 4 of 25
V2.0
AAT8641 Series
AAT8641A DETECTION VOLTAGE AND DELAY TIME (25℃)
PARAMETER
SYMBOL
TEST CONDITION
Min
Typ
Max
Unit
Over Charge Threshold Voltage
1
C
V
Detect Rising Edge of Supply
Voltage
4.300
4.325
4.350
V
Over Charge Release Voltage
2
C
V
Detect Falling Edge of Supply
Voltage
30
.
0
V
1
C
25
.
0
V
1
C
20
.
0
V
1
C
V
Over Discharge Threshold
Voltage
1
D
V
Detect Falling Edge of Supply
Voltage
2.420
2.500
2.580
V
Over Discharge Release Voltage
2
D
V
Detect Rising Edge of Supply
Voltage
VD1+0.3
VD1+0.4
VD1+0.5
V
Over Charge Delay Time
1
C
t
V
6
.
3
V
DD =
to 4.5V
0.700
1.000
1.300
s
Over Discharge Delay Time
1
D
t
V
6
.
3
V
DD =
to 2.4V
87.5
125.0
162.5
ms
Over Current Level 1 Detection
Voltage
1
OC
V
Detect Rising Edge of “VN” Pin
Voltage (
out
D
Response with
1
OC
t
Delay Time)
130
150
170
mV
Over Current Level 2 Detection
Voltage
2
OC
V
Detect Rising Edge of “VN”
Pin Voltage (
out
D
Response
with
2
OC
t
Delay Time)
400
500
600
mV
Short Circuit Detection Voltage
short
V
V
0
.
3
V
DD =
, Detect Rising Edge
of “VN” Pin Voltage (
out
D
Response with
short
t
Delay
Time)
7
.
1
V
DD
3
.
1
V
DD
9
.
0
V
DD
V
Over Current Level 1 Detection
Delay Time
1
OC
t
V
0
.
3
V
DD =
5.6
8.0
10.4
ms
Over Current Level 2 Detection
Delay Time
2
OC
t
Room Temp.
Low or High Temp.
V
0
.
3
V
DD =
1.4
1.1
2.0
2.0
2.6
3.4
ms
ms
Short Circuit Detection Delay
Time
short
t
V
0
.
3
V
DD =
10
50
s
μ
Charger Detection Voltage
CHR
V
Detect Rising Edge of “
out
D
Pin Voltage (when VD1<VDD
VD2)
0
.
2
3
.
1
6
.
0
V
out
C
High Level Resistance
COH
R
DD
V
=3.5V;
out
C
=3.0V;VN=0V
1
2
10
Ω
k
out
C
Low Level Resistance
COL
R
DD
V
=4.5V;
150
602
2,380
Ω
k
out
D
High Level Resistance
DOH
R
DD
V
=3.5V;
out
D =3.0V;VN=0V
2.5
5.0
10.0
Ω
k
out
D
Low Level Resistance
DOL
R
DD
V
=1.8V;
out
D =0.5V;VN=1.8V
2.5
5.0
10.0
Ω
k
Internal Resistance between VN
and
DD
V
VND
R
DD
V
=1.8V; VN=0V
100
300
900
Ω
k
Internal Resistance between VN
and GND
VNG
R
DD
V
=3.5V; VN=3.5V
50
150
300
Ω
k


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