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| AAT8640 Datasheet, PDF (9/25 Pages) Advanced Analog Technology, Inc. – ONE-CELL LI-ION BATTERY PROTECTION IC | |||
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Advanced Analog Technology, Inc.
AAT8640 Series
AAT8640F 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
VD1
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 2.4V
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
C out Low Level Resistance
VCHR
R COH
R COL
Detect Rising Edge of â Dout â
Pin Voltage
(When VD1ï¼VDDï¼VD2)
VDD = 3.5V ;
Cout = 3.0V ; VN = 0V
VDD = 4.5V ; C out = 0.5V ;
VN = 0V
Dout High Level Resistance
D out Low Level Resistance
Internal Resistance between VN
and VDD
Internal Resistance between VN
and GND
R DOH
R DOL
R VND
R VNG
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
4.275
VC1-0.35
2.420
VD1+0.3
0.700
87.5
80
400
VDD â1.7
5.6
1.4
1.1
â2.0
1
150
2.5
2.5
100
50
TYP MAX
4.325 4.375
VC1-0.25 VC1-0.15
2.500 2.580
VD1+0.4 VD1+0.5
1.000
125.0
1.300
162.5
100
120
480
600
VDD â1.3 VDD â0.9
8.0
10.4
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
kâ¦
â å°ç£ï§æ¯ç§æè¡ä»½æéå
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â Advanced Analog Technology, Inc. â
Page 9 of 25
V2.0
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