AAT8640 Datasheet, PDF (13/25 Pages) Advanced Analog Technology, Inc. – ONE-CELL LI-ION BATTERY PROTECTION IC

Advanced Analog Technology, Inc.
AAT8640 Series
AAT8640J DETECTION VOLTAGE AND DELAY TIME (25℃)
PARAMETER
SYMBOL TEST CONDITION MIN
Over Charge Threshold Voltage
V _C1
Detect Rising Edge of Supply
Voltage
4.230
Over Charge Release Voltage
V_C2
Detect Falling Edge of Supply
Voltage
V_C1-0.30
Over Discharge Threshold
Voltage
V _D1
Detect Falling Edge of Supply
Voltage
2.201
Over Discharge Release Voltage
Over Charge Delay Time
Over Discharge Delay Time
V_D2
Detect Rising Edge of Supply
Voltage
V_D1-0.08
t _C1
V_DD = 3.6V to 4.5V
0.700
t _D1
V_DD = 3.6V to 2.2V
87.5
Detect Rising Edge of “VN” Pin
Over Current Level 1 Detection
Voltage
V_OC1
Voltage ( D _out Response with t_{OC1 180}
Delay Time)
Over Current Level 2 Detection
Voltage
Short Circuit Detection Voltage
Over Current Level 1 Detection
Delay Time
Over Current Level 2 Detection
Delay Time
Short Circuit Detection Delay
Time
V_OC2
V_short
t _OC1
t _OC2
t _short
Detect Rising Edge of “VN”
Pin Voltage ( D_out Response
with t_OC2 Delay Time)
V_DD = 3.0V , Detect Rising Edge
of “VN” Pin Voltage ( D _out
Response with t _short Delay
Time)
V_DD = 3.0V
400
V_DD −1.7
5.6
Room Temp. ⇒
1.4
Low or High Temp. ⇒
1.1
V_DD = 3.0V
V_DD = 3.0V
Charger Detection Voltage
C _out High Level Resistance
C _out Low Level Resistance
D_out High Level Resistance
D _out Low Level Resistance
Detect Rising Edge of “ D_out ”
V_CHR
Pin Voltage (when V_D1＜V_DD＜
-2.0
V_D2)
R _COH
V_DD = 3.5V ;
C_out = 3.0V ;VN=0V
1
R _COL
V_DD = 4.5V ;
C_out = 0.5V ;VN=0V
150
R _DOH
V_DD = 3.5V ;
D _out = 3.0V ;VN=0V
2.5
R _DOL
V_DD = 1.8V ;
D _out = 0.5V ;VN=1.8V
2.5
Internal Resistance between VN
and V_DD
R _VND
V_DD = 1.8V ; VN=0V
100
Internal Resistance between VN
and GND
R _VNG
V_DD = 3.5V ; VN=3.5V
50
TYP
4.280
MAX UNIT
4.330 V
V_C1-0.20 V_C1-0.10 V
2.281 2.361 V
V_D1 V_D1+0.08 V
1.000 1.300 s
125.0 162.5 ms
200
220 mV
510
600 mV
V_DD −1.3 V_DD −0.9 _V
8.0
10.4 ms
2.0
2.6
ms
2.0
3.4
ms
10
50
μs
-1.3
-0.6
V
2
10
kΩ
602
2,380 kΩ
5.0
10.0 kΩ
5.0
10.0 kΩ
300
900 kΩ
150
300 kΩ
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– Advanced Analog Technology, Inc. –
Page 13 of 25
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