Hi roland van straten,you need to program the below address, see STPMIC1 DS rev.10 @page83set bit to 1 active mask reset option for selected LDO for nextreset power-cycle. It is a single shot option and then register is reset to default RegardsVincen...

Hi,version of STPMIC1? A, B or...?To have the 3.3V @Rank1 you need to program (one time, output voltage and Rank#) the LDO# in the NVM content so it will start at turn ON phase.The STPMIC1 I²C programming guide - Application note RegardsVincenzo

Hi PakRad, from schematic it seems that some regulator are not used, but even if the Buck2 is not used the BUCK2IN must be connected to the Vin, some common internal blocks are supplied using also this pin. See the note in our DS at page #3 at the bo...

Hi Tejas_P_R,you are in good position, the dropout value is the minimum input voltage difference from output voltage and input voltage to guarantee the electrical specification of the DS. Just in case you need to pay attention to the power dissipatio...