AN4324

Schematic guidelines

DocID024963 Rev 2.0

13/31

Figure 5: STC3115 application integration if charger provides a reference voltage

1.

Typical R2 value = 1 kΩ, Ru = 1 MΩ

The application can be connected to the STC3115 BatD pin even if it has no charger or the

application charger does not manage the battery security pin. In this configuration, the

BatD feature improves battery presence detection.

Figure 6: STC3115 application integration if charger does not use the third battery pin

1.

Typical R2 value = 1 kΩ, Ru = 1 MΩ