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$1 vs $50 Phone Charger. What’s the difference?6 insights · See all
  1. Faster switching reduces the number of transformer windings needed and lets the power electronics react instantly to live battery readings, so GaN-based chargers can squeeze more wattage into a smaller, cooler design without overheating the phone.

    Faster switching reduces the number of transformer windings needed and lets the power electronics react instantly to live battery readings, so GaN-based chargers can squeeze more wattage into a smaller, cooler design without overheating the phone.
  2. Gallium nitride switches can toggle roughly twenty times faster than silicon, which lets chargers run at much higher frequencies and therefore deliver more power in a much smaller package.

    Gallium nitride switches can toggle roughly twenty times faster than silicon, which lets chargers run at much higher frequencies and therefore deliver more power in a much smaller package.
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