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| UM2101 Datasheet, PDF (17/33 Pages) STMicroelectronics – Getting started with the STEVAL-STLKT01V1 SensorTile integrated development platform | |||
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UM2101
4.2
STLCR01V1 hardware description
The onboard STBC08 battery charger IC is configured by default with a maximum charging
current of 50 mA. It is possible to modify this current by changing the R5 resistor value.
Equation 1:
1í µí±
í µí°¼í µí±âí µí±í µí± = í µí±
5 â 1000
The default 20 kΩ value for R5 hence gives:
1í µí±
20í µí± â 1000 = 50í µí±í µí°´
During normal usage, the battery needs to be connected to the board for proper operation.
When the battery is plugged, the board is turned ON via the SW1 switch. This switch
enables LDK120 3V3 voltage regulator pin, which powers all board components.
SensorTile and cradle assembly in form factor case
Refer to the following image for the orientation of the soldered SensorTile and cradle
boards in the dedicated form factor case.
Figure 11: SensorTile and cradle in plastic case
DocID029635 Rev 1
17/33
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