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What is GaN and what are the advantages than Silicon?

What is GaN and what are the advantages than Silicon?

Oct 14, 2020

What is GaN?

GaN stands for Gallium Nitride, an alternative to the traditional silicon that has dominated electronics for the last few decades. Gallium nitride has some advantages — a wider band-gap means it's easier for energy to pass through it, and it has higher limits for the temperatures and power levels it can handle — that makes it almost tailor-made for higher-capacity tech like Power Delivery chargers.

In short, semiconductors and chargers made with gallium nitride are smaller and more efficient, which in turn can help them avoid heating up as much as traditional silicon-based chargers.

However, since the goal of most gallium nitride chargers is to be as small as possible, some GaN chargers still get uncomfortably warm when used for long periods of time because they don't have as much room for heat dissipation. You're not going to be able to bake a cookie on a GaN charger the way you can on a MacBook brick during an all-night editing session, but they'll still get a little warm depending on how hard you work them.

 GaN fast charger

The advantages of GaN over Silicon are numerous but can be summarized as follows:

Faster devices resulting in less switching losses

Lower power required to drive the circuit

Lower production cost

Smaller devices taking up less space on the printed circuit board

Lower on resistance giving lower conductance losses

Reduced capacitance leading to lower losses during charging and discharging

65W Smart Quick charger

What are the advantages of GaN chargers?

The features of Gallium Nitrate are inherent in GaN chargers resulting in GaN chargers offering advantages over silicon chargers. Compared with silicon chargers, GaN chargers require fewer components. GaN chargers are physically smaller and conduct higher voltages. GaN chargers are more efficient in transferring current and conserving energy. Conserved energy enables a better flow to the charging device, resulting in quicker charge times.

 Gallium Nitrate

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