AAT3686_08 Datasheet, PDF (9/23 Pages) Advanced Analogic Technologies – USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger

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PRODUCT DATASHEET
AAT3686
USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger
Typical Characteristics
Adapter Mode Supply Current
vs. ADPSET Resistor
0.80
0.70
0.60
0.50
Constant Current
0.40
0.30
0.20
Pre-Conditioning
0.10
0.00
1
10
100
1000
ADPSET Resistor (kΩ)
USB Charge Current vs. Time
(USBH; USBH = 8.06kΩ)
USB VBUS
(200mV/div)
USB Charge
Current
(200mA/div)
Charge Reduction
Mode Activated
USB Peripheral
Current
Consumption
(200mA/div)
0
2
4
6
8
10
Time (sec)
Counter Timeout vs. Temperature
(CT = 0.1µF)
10
8
6
4
2
0
-2
-4
-6
-8
-10
-50
-25
0
25
50
Temperature (°C)
75
100
CT Pin Capacitance vs. Counter Timeout
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
Precondition Timeout
Precondition + Constant Current Timeout
or Constant Voltage Timeout
2
4
6
8
10
Time (hours)
Temperature Sense Output Current
vs. Temperature
88
86
84
82
80
78
76
74
72
-50
-25
0
25
50
75
100
Temperature (°C)
3686.2007.12.1.11
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