The discount in transistor measurement signifies that newer GaN USB chargers will be bodily smaller than the older silicon know-how chargers. And whereas it is good to have smaller chargers, it’s the elevated effectivity that’s an important issue with regards to USB chargers as a result of the extra environment friendly an digital part is, the much less waste warmth it generates.
And the much less waste warmth generated, the decrease the probabilities of overheating and the much less cooling that’s required to maintain the charger working safely.
Customers are, understandably, involved when chargers really feel scorching to the contact. Whereas it’s common for chargers that use silicon transistors to get to the purpose of just about being too scorching to the touch, I discover it uncommon for a charger utilizing GaN know-how to really feel mildly heat.
The sooner switching additionally signifies that a GaN transistor inside a charger can have higher management over the charging and reply to occasions equivalent to overheating or overvoltage a lot faster than older transistors might.
This better effectivity and sooner switching are essential for contemporary USB-C chargers as a result of USB-C carries even growing energy hundreds, with 100W hundreds per port and above now being commonplace, and 240W chargers quickly to be a actuality.
One other benefit is {that a} single charger can have a number of high-output ports, such because the Ugreen 300W 5-port GaN desktop charging station, which has USB-C ports able to 140W and 100W, so one GaN charger can exchange an entire pile of older chargers.