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