Advanced Analog Technology, Inc.
AAT8641B DETECTION VOLTAGE AND DELAY TIME (25℃)
PARAMETER
SYMBOL
TEST CONDITION
MIN TYP MAX
UNIT
Detect Rising Edge of Supply
Voltage
Detect Falling Edge of Supply
Voltage
Detect Falling Edge of Supply
Voltage
Detect Rising Edge of Supply
Voltage
VC1
Over Charge Threshold Voltage
4.325
VC1-0.25 VC1-0.20 VC1-0.15
2.220 2.300 2.380
VD1+0.6 VD1+0.7 VD1+0.8
4.350
4.375
V
VC2
VD1
VD2
Over Charge Release Voltage
V
V
V
Over Discharge Threshold
Voltage
Over Discharge Release Voltage
VDD = 3.6V to 4.5V
tC1
tD1
Over Charge Delay Time
0.088
22.4
0.125
32.0
0.163
41.6
s
VDD = 3.6V to 2.2V
Over Discharge Delay Time
ms
Detect Rising Edge of “VN” Pin
Voltage ( Dout Response with
Over Current Level 1 Detection
Voltage
VOC1
130
400
150
500
170
600
mV
mV
tOC1 Delay Time)
Detect Rising Edge of “VN”
Pin Voltage ( Dout Response
Over Current Level 2 Detection
Voltage
VOC2
with tOC2 Delay Time)
VDD = 3.0V , Detect Rising Edge
of “VN” Pin Voltage
( Dout Response with tshort Delay
VDD −1.3 VDD −0.9
Vshort
V −1.7
Short Circuit Detection Voltage
V
DD
Time)
Over Current Level 1 Detection
Delay Time
VDD = 3.0V
tOC1
tOC2
tshort
VCHR
2.8
4.0
5.2
ms
Room Temp. ⇒
Low or High Temp. ⇒
VDD = 3.0V
1.4
1.1
2.0
2.0
2.6
3.4
ms
ms
Over Current Level 2 Detection
Delay Time
Short Circuit Detection Delay
Time
μs
VDD = 3.0V
10
50
Detect Rising Edge of “ Dout
”
−2.0
−1.3
−0.6
Charger Detection Voltage
V
Pin Voltage (when VD1＜VDD
＜
VD2)
Cout High Level Resistance
Cout Low Level Resistance
RCOH
RCOL
R DOH
VDD =3.5V; Cout =3.0V;VN=0V
VDD =4.5V; Cout =0.5V;VN=0V
VDD 3.5V; Dout =3.0V;VN=0V
1
2
10
kΩ
kΩ
kΩ
150
2.5
602
5.0
2,380
10.0
High Level Resistance
Dout
VDD =1.8V;
Low Level Resistance
Dout
R DOL
2.5
5.0
10.0
kΩ
Dout =0.5V;VN=1.8V
Internal Resistance between VN
and VDD
RVND
RVNG
VDD =1.8V; VN=0V
VDD =3.5V; VN=3.5V
100
50
300
150
900
300
kΩ
kΩ
Internal Resistance between VN
and GND
– 台灣類比科技股份有限公司 –
– Advanced Analog Technology, Inc. –
Page 5 of 25
V2.0
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
