Hello, I am using this device as a buck boost to condition a vehicle battery voltage to a 12V source. I am running a small stepper motor off of it, along with leds and an arduino, and peripheral components. Initially I had trouble with ripple but I believe there were issues with the motor driver circuit trying to draw too much current. I redesigned the circuit to be capable of handling higher current draw but now I think it is possibly overdesigned and is rated for too much current. I am wondering how this device performs when the current draw is very light when the motor is not running. What should the waveform on the inductor look like?
The voltage output is very low - is smooth, but under 5V
I also tried to redesign the power switch to operate as a soft latch using mosfets. I believe the high amount of capacitance on the buck boost is impacting the ability of the mosfets to switch off and on. So I have been poking around trying to troubleshoot, and these are some of
the things I've noticed. I don't know if I've blown something up or not.
