STBC21 Datasheet, PDF (42/54 Pages) STMicroelectronics – LI+ battery charger with thermal regulation

LED display modes
Appendix F LED display modes
STBC21
As a consequence of the configuration reported in Appendix E there are 7 possible modes:
Table 36. LED display modes
Function
Condition
LED modes
1.Battery uninstallation
OFF
2.Charging control
1.ON / 2.FL
3.Charging completion
1.OFF /2.ON /3.OFF
LED
display
4.Charger alarm
5.Battery alarm
1.FL /2.FL /3.OFF
6.Temperature waiting
control / after charging starts
1.OFF/ 2.ON/3.OFF/ 4.FL/5.FL
7.Temperature waiting
control / during charging
1.ON/ 2. Same ilLumination MODE 6
6.Temperature waiting control / (after
charging starts)
Mode Bit Total
1
0
2
1
3
2
3
2
9
5
3
2
1
Table 37. LED frequency register
Function
Parameter
Range
Minimum Accuracy
#
Step
#
Bit
Total
1.Battery uninstallation
FIXED
2.Charging control
0.625 Hz, 2 Hz
-
3.Charging completion
4 Hz
-
Flickering ^{4.Charger alarm}
frequency 5.Battery alarm
2 Hz, 2.5 Hz, 3 Hz, 4 Hz
-
2 Hz, 2.5 Hz, 3 Hz, 4 Hz
-
6.Temperature waiting control
/ after charging starts
0.625 Hz, 2 Hz
-
7.Temperature waiting control
/ during charging
0.625 Hz, 2 Hz
-
±10%
±10%
±10%
±10%
±10%
±10%
10
21
10
42
4
(1)
3
2
(2)
2
(2)
1. Same as mode 4.
2. Same as mode 2.
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Doc ID 023256 Rev 1