STBC21 Datasheet, PDF (31/54 Pages) STMicroelectronics – LI+ battery charger with thermal regulation

STBC21
Appendix B Charging parameters
Charging parameters
Table 12. Timer registers summary
Timer name
Charging
phase
Setting range
Min. unit Accuracy
TIMER-1
TIMER-2
TIMER-3
TIMER-4
Pre-charge
Fast-charge
End of charge
0V-charge
60 min.
150 min. to 510 min.
0 min. to 60 min. ⁽¹⁾
16 sec
FIX
30 min.
10 min.
FIX
±10% @ 25°C
± 15% in temp
1. 0 min. means timer disabled.
Step
-
12
7
-
Bit Total
-
4
7
3
-
Table 13. Timer-2 description
TIMER-2 Reg 00H
Bit3
Bit2
Bit1
Bit0
150
min.
0
0
0
0
180
min.
0
0
0
1
210
min.
0
0
1
0
240
min.
0
0
1
1
270
min.
0
1
0
0
300
min.
0
1
0
1
330
min.
0
1
1
0
360
min.
0
1
1
1
390
min.
1
0
0
0
420
min.
1
0
0
1
450
min.
1
0
1
0
480
min.
1
0
1
1
510
min.
1
1
0
0
Doc ID 023256 Rev 1
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