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| AAT8640 Datasheet, PDF (10/25 Pages) Advanced Analog Technology, Inc. – ONE-CELL LI-ION BATTERY PROTECTION IC | |||
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Advanced Analog Technology, Inc.
AAT8640 Series
AAT8640G 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 Resistance Level
C out Low Resistance Level
Dout High Resistance Level
D out Low Resistance Level
Internal Resistance between VN
and VDD
Internal Resistance between VN
and GND
VCHR
R COH
R COL
R DOH
R DOL
R VND
R VNG
Detect Rising Edge of â Dout â
Pin Voltage(when VD1ï¼VDDï¼
VD2)
VDD = 3.5V ;
Cout = 3.0V ;VN=0V
VDD = 4.5V ;
Cout = 0.5V ;VN=0V
VDD = 3.5V ;
D out = 3.0V ;VN=0V
VDD = 1.8V ;
D out = 0.5V ;VN=1.8V
VDD = 1.8V ; VN=0V
VDD = 3.5V ; VN=3.5V
MIN
4.300
VC1-0.30
2.220
VD1+0.6
0.088
22.4
180
400
VDD â1.7
2.8
1.4
1.1
â2.0
1
150
2.5
2.5
100
50
TYP MAX
4.350 4.400
VC1-0.20 VC1-0.10
2.300 2.380
VD1+0.7 VD1+0.8
0.125
32.0
0.163
41.6
200
220
510
600
VDD â1.3 VDD â0.9
4
5.2
2.0
2.6
2.0
3.4
10
50
â1.3 â0.6
2
10
602 2,380
5.0
10.0
5.0
10.0
300
900
150
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 10 of 25
V2.0
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