AAT3685 Datasheet, PDF (8/23 Pages) Advanced Analogic Technologies – Lithium-Ion/Polymer Battery Charger

AAT3685
Lithium-Ion/Polymer Battery Charger
Typical Characteristics
V_IH vs. Supply Voltage
EN Pin (Rising)
1.4
1.3
1.2
1.1
-40°C +25°C
1.0
0.9
0.8
0.7
0.6
+85°C
0.5
0.4
4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 6
Supply Voltage (V)
V_IL vs. Supply Voltage
EN Pin (Falling)
1.4
1.3
1.2
1.1
-40°C +25°C
1.0
0.9
0.8
0.7
0.6
+85°C
0.5
0.4
4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 6
Supply Voltage (V)
V_IH vs. Supply Voltage
PWRSEL (Rising)
1.4
1.3
1.2
-40°C +25°C
1.1
1.0
0.9
0.8
0.7
+85°C
0.6
0.5
0.4
4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 6
Supply Voltage (V)
V_IL vs. Supply Voltage
PWRSEL (Falling)
1.4
1.3
1.2
1.1
-40°C +25°C
1.0
0.9
0.8
0.7
0.6
+85°C
0.5
0.4
4.2 4.4 4.6 4.8 5
5.2 5.4 5.6 5.8 6
Supply Voltage (V)
Supply Current vs. SETH Resistor
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
1
Constant Current
Pre-Conditioning
10
100
1000
SETH Resistor (kΩ)
V_BUS
(400mV/div)
Charge
Current
(400mA/div)
Charge Current vs. Time
(SETH; SETH = 3.83kΩ)
Charge Reduction
Mode Activated
Peripheral
Current
Consumption
(400mA/div)
0 1 2 3 4 5 6 7 8 9 10
Time (sec)
8
3685.2006.10.1.3