AAT3684 Ver la hoja de datos (PDF) - Analog Technology Inc
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AAT3684 Datasheet PDF : 17 Pages
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BatteryManagerTM
PRODUCT DATASHEET
AAT3684
500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
Typical Characteristics
Constant Charging Current
vs. Set Resistor Values
1000
100
10
1
1
10
100
1000
RSET (kΩ)
Charging Current vs. Battery Voltage
(AAT3684 only)
600
RSET = 3.24K
500
400
RSET = 5.36K
300
200
RSET = 8.06K
100
RSET = 16.2K
0
RSET = 31.6K
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
VBAT (V)
Charging Current vs. Battery Voltage
(AAT3684-1 only)
600
RSET = 3.24K
500
400
RSET = 5.36K
300
200 RSET = 8.06K
100 RSET = 16.2K
0 RSET = 31.6K
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
VBAT (V)
End of Charge Battery Voltage
vs. Supply Voltage
4.206
4.204
4.202
RSET = 8.06kΩ
4.200
4.198
RSET = 31.6kΩ
4.196
4.194
4.5 4.75 5
5.25 5.5 5.75 6
VIN (V)
6.25 6.5
End of Charge Voltage Regulation
vs. Temperature
(RSET = 8.06kΩ)
4.23
4.22
4.21
4.20
4.19
4.18
4.17
-50
-25
0
25
50
Temperature (°C)
75
100
Constant Charging Current vs. Temperature
(RSET = 8.06kΩ)
210
208
205
203
200
198
195
193
190
-50
-25
0
25
50
75
100
Temperature (°C)
3684.2007.12.1.2
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