DIY Buck Boost Converter using XL6019 (Bifilar Choke)

Описание: DIY Buck Boost Converter using XL6019 (Bifilar Choke)
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In this video, I build a buck-boost converter (step up and step down simultaneously) using the powerful and affordable XL6019 IC, switching with a handmade bifilar common mode choke (very likely for the first time goes online). This circuit can step up or step down voltage, making it ideal for powering devices from a wide range of input voltages—such as solar panels, batteries, or vehicles.

🧠 What is a Buck-Boost Converter?
A buck-boost converter is a type of DC-DC power supply that can raise or lower voltage as needed. Unlike regular buck or boost converters, this one adapts to both high and low input conditions—perfect for unstable or varying power sources.

🔍 About the XL6019:
The XL6019 is a popular adjustable DC-DC converter IC with:

Wide input range (5V to 32V)
Output up to 60V
Up to 5A switch current
Integrated switch, current mode control, and thermal protection
It’s widely used in battery charging, LED driving, and portable electronics.

🌀 Why a Bifilar Choke?
A bifilar-wound choke improves coupling between windings and helps reduce electromagnetic interference (EMI), making the converter more efficient and compact. It’s also easier to wind for high-current applications like this one.

📦 In this video, you’ll see:
✅ How to design and assemble the circuit
✅ Step-by-step winding of the bifilar inductor
✅ Circuit diagram and component explanation
✅ Testing with various input and output voltages
✅ Tips to improve stability, ripple, and thermal performance

✨ Whether you’re a beginner in electronics or building a custom power supply for your next project, this video walks you through everything you need to get started!

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