Advanced Analog Technology, Inc.
AAT8641I DETECTION VOLTAGE AND DELAY TIME (25℃)
PARAMETER
SYMBOL
TEST CONDITION
MIN
TYP MAX
UNIT
Detect Rising Edge of Supply
Voltage
VC1
Over Charge Threshold Voltage
4.275
4.300
4.325
V
Detect Falling Edge of Supply
Voltage
Detect Falling Edge of Supply
Voltage
Detect Rising Edge of Supply
Voltage
VC1 − 0.20 VC1 − 0.15
VC2
VD1
VD2
VC1 − 0.25
Over Charge Release Voltage
V
V
V
Over Discharge Threshold
Voltage
2.220
2.300
VD1
2.380
VD1 − 0.08
Over Discharge Release Voltage
VD1+0.08
tC1
tD1
VDD = 3.6V to 4.5V
VDD = 3.6V to 2.2V
Over Charge Delay Time
0.700
87.5
1.000
125.0
1.300
162.5
s
Over Discharge Delay Time
ms
Detect Rising Edge of “VN” Pin
Voltage ( Dout Response with
Over Current Level 1 Detection
Voltage
VOC1
110
400
130
490
150
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 Time)
VDD −1.3 VDD −0.9
Vshort
V −1.7
Short Circuit Detection Voltage
V
DD
Over Current Level 1 Detection
Delay Time
tOC1
tOC2
tshort
VCHR
VDD = 3.0V
5.6
8.0
10.4
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
Dout High 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
VDD =1.8V;
Dout Low Level Resistance
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 12 of 25
V2.0
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
