Hi good folks just wanting to know if I am on the right track with this latch circuit and power input control between USB and battery circuit uses a microcontroller for the latch signal.

 

Hi good folks just wanting to know if I am on the right track with this latch circuit and power input control between USB and battery circuit uses a microcontroller for the latch signal.

View attachment 318464

it depends on what Vbus is. Is Q1 conducting before S1 is closed?
Is this for a microcontroller board, like an arduino or a raspberry pi?

 

Thanks for the reply

5V on Vbus when plugged in to charge the battery there is power always from BAT+ no is custom board with ESP32