I was having trouble while booting up my Raspberry Pi powered by LiPo batteries.
Ignore the components inside the blue circle I am just connecting the batteries, the darlington transistor and the coverter. The darlington transistor is used for switching when the power is connected I am getting 5v from the dc-dc converter, but it is not properly running the rpi. The rpi is running if i neglect the transistor, and connect just the batteries and the converter. I think there is an initial current surge when rpi is connected which either the transistor or the converter is unable to cope up with. Any workaround for this?