AAT3670
1.6A Dynamic Battery Charger
and Power Manager
Typical Characteristics
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
10
Constant Current vs. Set Resistor
(VIN = 5V; VBAT = 3.5V)
ADP
USBH
USBL
100
1000
Set Resistor (kΩ)
Adapter Mode Supply Current vs. ADPSET Resistor
(VIN = 5V; VBAT = 3.5V)
0.8
0.7
I CCM
0.6
0.5
0.4
I TRICKLE
0.3
0.2
0.1
10
100
1000
ADPSET Resistor (kΩ)
USB Mode Supply Current vs. USBSET Resistor
(USBL; VIN = 5V; VBAT = 3.5V)
0.8
0.7
0.6
ICCM
0.5
0.4
0.3
I TRICKLE
0.2
0.1
10
100
1000
USBSET Resistor (kΩ)
USB Mode Supply Current vs. USBSET Resistor
(USBH; VIN = 5V; VBAT = 3.5V)
0.8
0.7
0.6
0.5
ITRICKLE
ICCM
0.4
0.3
0.2
0.1
10
100
1000
USBSET Resistor (kΩ)
End of Charge Voltage vs. Supply Voltage
4.24
4.22
USBL
USBH
4.20
4.18
ADP
4.16
4.5
4.75
5.0
5.25
5.5
Supply Voltage (V)
End of Charge Voltage vs. Temperature
4.24
4.22
USBH
4.20
ADP
4.18
USBL
4.16
-40
-15
10
35
60
85
Temperature (°C)
3670.2007.02.1.1
9