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| AAT8640 Datasheet, PDF (5/25 Pages) Advanced Analog Technology, Inc. – ONE-CELL LI-ION BATTERY PROTECTION IC | |||
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Advanced Analog Technology, Inc.
AAT8640 Series
AAT8640B DETECTION VOLTAGE AND DELAY TIME (25â)
PARAMETER
SYMBOL TEST CONDITION
Over Charge Threshold Voltage
V C1
Detect Rising Edge of Supply
Voltage
Over Charge Release Voltage
VC2
Detect Falling Edge of Supply
Voltage
Over Discharge Threshold
Voltage
V D1
Detect Falling Edge of Supply
Voltage
Over Discharge Release Voltage
VD2
Detect Rising Edge of Supply
Voltage
Over Charge Delay Time
t C1
VDD = 3.6V to 4.5V
Over Discharge Delay Time
t D1
VDD = 3.6V to 2.2V
Detect Rising Edge of âVNâ Pin
Over Current Level 1 Detection
Voltage
VOC1
Voltage ( D out Response with tOC1
Delay Time)
Over Current Level 2 Detection
Voltage
Short Circuit Detection Voltage
VOC2
Vshort
Detect Rising Edge of âVNâ
Pin Voltage ( Dout Response
with tOC2 Delay Time)
VDD = 3.0V , Detect Rising Edge
of âVNâ Pin Voltage ( D out
Response with t short Delay
Time)
Over Current Level 1 Detection
Delay Time
t OC1
VDD = 3.0V
Room Temp. â
Over Current Level 2 Detection
Delay Time
t OC2
Low or High Temp. â
VDD = 3.0V
Short Circuit Detection Delay
Time
t short
VDD = 3.0V
Charger Detection Voltage
C out High Level Resistance
VCHR
R COH
Detect Rising Edge of â Dout â
Pin Voltage
(when VD1ï¼VDDï¼VD2)
VDD = 3.5V ; C OUT = 3.0V ;
VN = 0V
C out Low Level Resistance
Dout High Level Resistance
R COL
R DOH
VDD = 4.5V ;
COUT = 0.5V ; VN = 0V
VDD = 3.5V ; D out = 3.0V ;
VN = 0V
D out Low Level Resistance
Internal Resistance between VN
and VDD
R DOL
R VND
VDD = 1.8V ;
D out = 0.5V ; VN = 1.8V
VDD = 1.8V ; VN = 0V
Internal Resistance between VN
and GND
R VNG
VDD = 3.5V ; VN = 3.5V
MIN
4.300
VC1-0.30
2.220
VD1+0.6
0.088
22.4
130
400
VDD â1.7
2.8
1.4
1.1
â2.0
1
150
2.5
2.5
100
50
TYP
4.350
VC1-0.20
2.300
VD1+0.7
0.125
32.0
150
500
VDD â1.3
4.0
2.0
2.0
10
â1.3
2
602
5.0
5.0
300
150
MAX
4.400
VC1-0.10
2.380
VD1+0.8
0.163
41.6
170
600
VDD â0.9
5.2
2.6
3.4
50
â0.6
10
2,380
10.0
10.0
900
300
UNIT
V
V
V
V
s
ms
mV
mV
V
ms
ms
ms
μs
V
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
â å°ç£ï§æ¯ç§æè¡ä»½æéå
¬å¸ â
â Advanced Analog Technology, Inc. â
Page 5 of 25
V2.0
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