DC-DC + DigiPOT | Will there be fireworks? (Eng subs)

What happens if we use a digipot to control a DC-DC converter that operates at a significantly higher voltage than the supply voltage of the digipot? Let's calculate, check, experiment.
** English subtitles available **
DigiPOT review - • Логарифмический цифров...
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CONTENTS:
00:00 - The essence of the question
00:32 - Theory
01:50 - And if we turn off the power of the digipot?
04:13 - Experiment
05:12 - Short conclusions
🎵 BACKING TRACKS (Billions of thanks to the author!):
Now YOU Shred ( / @nowyoushred ) - • Vintage Classic Blues ... , • Booker T & The MG's So...
LINKS:
Modifying a DC-DC converter to control with Arduino (@ArduinoNotes) - • Переделываем DC-DC пре...
Excel Tables for calculation DC-DC - drive.google.com/drive/u/1/fo...
Datasheet DS1841 - datasheets.maximintegrated.co...
Digital Adjustment of DC-DC Converter Output Voltage in Portable Applications - www.maximintegrated.com/en/de...
Digital potentiometers in detail (Russian language) - habr.com/ru/post/260233/, habr.com/ru/post/260273/
Digital Potentiometers Enable Fast, Linear Adjustment of Switched Mode Power Supplies - www.analog.com/media/en/techn...
Digital Potentiometers vs. Mechanical Potentiometers - www.analog.com/media/en/techn...
Adafruit_DS1841 library - learn.adafruit.com/adafruit-d..., github.com/adafruit/Adafruit_...
Plotting Functions Online - www.desmos.com/calculator
Arduino IDE Sketch - drive.google.com/drive/folder...
TOOLS:
Breadboard with wires - ali.ski/ZcGWy_
More Breadboards (сrystal one is cool) - ali.ski/6DU-t
40-pin Jumper Wires - ali.ski/BuQlZ
Banana Plug to Test Hook Clip Cable - ali.ski/u1ceJ6
EQUIPMENT:
Hantek DSO5102P Oscilloscope - ali.ski/ywoBaZ
COMPONENTS:
ATMega328 Arduino Nano (replica) - ali.ski/IhW7Ob
Tactile Push Button - ali.ski/_C8te
#dcdc #digipot #dmitrymuravyev