How to Control DC-DC Converter Voltage with a Digital Pot | Part 4
Автор: Challenger Tech.
Загружено: 2026-01-15
Просмотров: 118
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In this tutorial, we continue our DC-DC converter control series by focusing on output voltage control using a digital potentiometer.
In Part 4, you’ll learn how a digital pot can be used inside the feedback network of a DC-DC converter to precisely and repeatably control the output voltage — without manual trimming or mechanical potentiometers.
We’ll break down:
How the feedback (FB) pin works in a DC-DC converter
Where and how to place the digital potentiometer in the voltage control loop
Practical considerations when replacing analog pots with digital ones
Stability, resolution, and safety tips when adjusting voltage digitally
This approach is ideal for programmable power supplies, smart chargers, and MCU-controlled power systems.
📌 This video builds on the concepts covered in the previous parts of the series, so make sure to check them out if you haven’t already.
Happy learning! ⚡🔧
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