EUP8084
Typical Operating Characteristics-Battery Charge
Battery Regulation (Float) Voltage vs Charge Current
4.21
Battery Regulation(Float) Voltage vs Temperature
4.210
4.205
R
ISET
= 2k
4.20
FLOAT VOLTAGE V
BAT_EOC
(V)
4.19
4.18
4.17
4.16
4.15
4.14
4.13
0
50
100
150
200
FLOAT VOLTAGE V
BAT_EOC
(V)
4.200
4.195
4.190
4.185
4.180
4.175
4.170
4.165
4.160
-40
-20
0
20
40
o
60
80
CHARGE CURRENT (mA)
TEMPERATURE ( C)
Charge Current vs Battery Current
250
4.25
Battery Regulation (Float) Voltage vs Supply Voltage
R
ISET
= 2k
200
VBAT RISING
4.20
FLOAT VOLTAGE V
BAT_EOC
(V)
CHARGE CURRENT (mA)
4.15
150
4.10
100
4.05
50
PRECONDITIONING CHARGE
0
4.00
3.95
-50
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
3.90
4.0
4.5
5.0
5.5
6.0
BATTERY VOLTAGE (V)
INPUT VOLTAGE(V)
Charge Current vs Temperature
with Thermal Regulation(Constant-Current Mode)
250
1.0
ISET Pin Voltages vs Charge Current
R
ISET
= 2k
200
0.8
CHARGE CURRENT(mA)
150
ADP= 6V
VBAT = 3V
R
ISET
=2k
THERMAL CONTROL
LOOP IN OPERATION
V
ISET
(V)
0.6
100
0.4
50
0.2
0
-25
0
25
50
o
0.0
75
100
125
0
25
50
75
100
125
150
175
200
TEMPERATURE ( C)
CHARGE CURRENT (mA)
DS8084
Ver1.0
Apr. 2008
9
EUTECH [ EUTECH MICROELECTRONICS INC ]
