
Advanced Analog Technology, Inc.
AAT8640D DETECTION VOLTAGE AND DELAY TIME (25
PARAMETER
SYMBOL
–
臺(tái)灣類比科技股份有限公司
–
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Advanced Analog Technology, Inc
.
–
Page 7 of 25
V2.0
AAT8640 Series
℃
)
MIN
TYP
TEST CONDITION
Detect Rising Edge of Supply
Voltage
Detect Falling Edge of Supply
Voltage
Detect Falling Edge of Supply
Voltage
Detect Rising Edge of Supply
Voltage
V
6
V
DD
=
to 4.5V
V
6
V
DD
=
to 2.2V
Detect Rising Edge of “VN” Pin
Voltage (
out
D
Response with t
OC1
Delay Time)
Detect Rising Edge of “VN”
Pin Voltage (
out
D
with t
OC2
Delay Time)
V
0
V
DD
=
, Detect Rising Edge
of “VN” Pin Voltage (
Response with
t
Time)
MAX UNIT
Over Charge Threshold Voltage
1
C
V
4.230
4.280
4.330
V
Over Charge Release Voltage
2
C
V
V
C1
-0.30
V
C1
-0.20
V
C1
-0.10
V
Over Discharge Threshold
Voltage
1
D
V
2.201
2.281
2.361
V
Over Discharge Release Voltage
2
D
V
V
D1
-0.08
V
D1
V
D1
+0.08
V
Over Charge Delay Time
Over Discharge Delay Time
1
C
t
0.700
87.5
1.000
125.0
1.300
162.5
s
1
D
t
ms
Over Current Level 1 Detection
Voltage
1
OC
V
110
130
150
mV
Over Current Level 2 Detection
Voltage
2
OC
V
Response
400
490
600
mV
Short Circuit Detection Voltage
short
V
out
D
short
Delay
7
V
DD
3
V
DD
9
V
DD
V
Over Current Level 1 Detection
Delay Time
1
OC
t
V
0
V
DD
=
Room Temp.
Low or High Temp.
V
0
V
DD
=
5.6
8.0
10.4
ms
Over Current Level 2 Detection
Delay Time
2
OC
t
1.4
1.1
2.0
2.0
2.6
3.4
ms
ms
Short Circuit Detection Delay
Time
short
t
V
0
V
DD
=
10
50
μ
s
Charger Detection Voltage
CHR
V
Detect Rising Edge of “
Pin Voltage
(when V
D1
<
V
DD
<
V
D2
)
V
5
V
DD
=
;
V
0
C
out
=
;
V
5
V
DD
=
;
V
5
C
out
=
;
V
5
V
DD
=
;
V
0
D
out
=
;
V
8
V
DD
=
;
V
8
VN
=
out
D
”
0
3
6
V
out
C
High Level Resistance
COH
R
V
0
VN
=
1
2
10
Ω
k
out
C
Low Level Resistance
COL
R
V
0
VN
=
150
602
2,380
Ω
k
out
D
High Level Resistance
DOH
R
V
0
VN
=
D
out
=
2.5
5.0
10.0
Ω
k
out
D
Low Level Resistance
DOL
R
V
5
;
2.5
5.0
10.0
Ω
k
Internal Resistance between VN
and
DD
V
Internal Resistance between VN
and GND
VND
R
V
8
V
DD
=
; VN=0V
100
300
900
Ω
k
VNG
R
V
5
V
DD
=
;
V
5
VN
=
50
150
300
Ω
k