AAT8640 Datasheet, PDF (6/25 Pages) Advanced Analog Technology, Inc. – ONE-CELL LI-ION BATTERY PROTECTION IC

Advanced Analog Technology, Inc.
AAT8640 Series
AAT8640C DETECTION VOLTAGE AND DELAY TIME (25℃)
PARAMETER
SYMBOL TEST CONDITION MIN TYP MAX UNIT
Over Charge Threshold Voltage
V _C1
Detect Rising Edge of Supply
Voltage
4.250 4.300 4.350
V
Over Charge Release Voltage
Over Discharge Threshold
Voltage
V_C2
Detect Falling Edge of Supply
Voltage
V_C1-0.30 V_C1-0.20 V_C1-0.10
V
V _D1
Detect Falling Edge of Supply
Voltage
2.220 2.300 2.380
V
Over Discharge Release Voltage
V_D2
Detect Rising Edge of Supply
Voltage
V_D1-0.08 V_D1
V_D1+0.08
V
Over Charge Delay Time
t _C1
V_DD = 3.6V to 4.5V
0.700 1.000 1.300
s
Over Discharge Delay Time
t _D1
V_DD = 3.6V to 2.2V
87.5 125.0 162.5 ms
Detect Rising Edge of “VN” Pin
Over Current Level 1 Detection
Voltage
V_OC1
Voltage ( D _out Response with t_{OC1 80}
100
120
mV
Delay Time)
Detect Rising Edge of “VN”
Over Current Level 2 Detection
Voltage
V_OC2
Pin Voltage ( D_out Response
with t_OC2 Delay Time)
400
480
V_DD = 3.0V , Detect Rising Edge
600
mV
Short Circuit Detection Voltage
V_short
of “VN” Pin Voltage ( D _out
Response with t _short Delay
V_DD −1.7 V_DD −1.3 V_DD −0.9
V
Time)
Over Current Level 1 Detection
Delay Time
t _OC1
V_DD = 3.0V
Room Temp. ⇒
Over Current Level 2 Detection
Delay Time
t _OC2
Low or High Temp. ⇒
V_DD = 3.0V
5.6 8.0
1.4
2.0
1.1
2.0
10.4
ms
2.6
ms
3.4
ms
Short Circuit Detection Delay
Time
t _short
V_DD = 3.0V
10
50
μs
Charger Detection Voltage
C _out High Level Resistance
C _out Low Level Resistance
Detect Rising Edge of “ D_out ”
V_{CHR Pin Voltage}
−2.0 −1.3
−0.6
V
(when V_D1＜V_DD＜V_D2)
R _COH
V_DD = 3.5V ;
C_out = 3.0V ; VN = 0V
1
2
10
kΩ
R _COL
V_DD = 4.5V ;
C_out = 0.5V ; VN = 0V
150
602
2,380 kΩ
D_out High Level Resistance
R _DOH
V_DD = 3.5V ;
D_out = 3.0V ; VN = 0V
2.5
5.0
10.0
kΩ
D _out Low Level Resistance
Internal Resistance between VN
and V_DD
Internal Resistance between VN
and GND
R _DOL
R _VND
R _VNG
V_DD = 1.8V ;
D _out = 0.5V ; VN = 1.8V
V_DD = 1.8V ; VN = 0V
V_DD = 3.5V ; VN = 3.5V
2.5
5.0
10.0
kΩ
100
300
900
kΩ
50
150
300
kΩ
– 台灣類比科技股份有限公司 –
– Advanced Analog Technology, Inc. –
Page 6 of 25
V2.0