STBC21 Datasheet, PDF (33/54 Pages) STMicroelectronics – LI+ battery charger with thermal regulation

STBC21
Charging parameters
Table 17. ISET3 register description
ISET3 Reg 01H
Bit5
Bit4
Bit3
Bit2
40
mA
0
0
0
0
50
mA
0
0
0
1
60
mA
0
0
1
0
70
mA
0
0
1
1
80
mA
0
1
0
0
90
mA
0
1
0
1
100
mA
0
1
1
0
110
mA
0
1
1
1
120
mA
1
0
0
0
130
mA
1
0
0
1
140
mA
1
0
1
0
150
mA
1
0
1
1
160
mA
1
1
0
0
170
mA
1
1
0
1
180
mA
1
1
1
0
190
mA
1
1
1
1
Table 18.
Name
CV-1
CV-2
CV-3
CV-4
Constant voltage register
Temperature range
Setting range
T_LO to T_L
-2 °C - 10 °C
4.10 V / 4.20 V / 4.05 V
T_L to T_H
10 °C - 45 °C
4.10 V / 4.20 V / 4.05 V
T_H to T_HH
45 °C - 50 °C
4.10 V / 4.20 V / 4.05 V
T_HH to T_HO
50 °C - 60 °C
4.10 V / 4.20 V / 4.05 V
Accuracy
±0.03 V
Step Bit Total
3
2
8
3
2
3
2
3
2
Table 19. CV1 bit description
4.05
4.10
4.20
-
CV1 Reg 02H
Bit1
V
0
V
0
V
1
1
Doc ID 023256 Rev 1
Bit0
0
1
0
1
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