The Anker 747 Charger GaNPrime is a powerful and compact USB-C charger that is capable of delivering 150W of power to compatible devices. It uses GaN (Gallium Nitride) technology, which allows for a smaller and more efficient design, and also supports the USB Power Delivery (USB-PD) specification for fast and efficient charging.
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First, what is USB-PD specification? It defines several different power profiles, which are defined by the voltage and current levels that are supported. Some common USB-PD power profiles include:
- 5V/3A: This power profile is the default power profile for USB-PD, and is typically used for charging smartphones and other small devices. It provides 5V of voltage and up to 3A of current, for a total power output of up to 15W.
- 9V/3A: This power profile is commonly used for fast charging smartphones and other small devices. It provides 9V of voltage and up to 3A of current, for a total power output of up to 27W.
- 12V/3A: This power profile is commonly used for charging laptops and other larger devices. It provides 12V of voltage and up to 3A of current, for a total power output of up to 36W.
- 20V/5A: This power profile is the highest power profile supported by the USB-PD specification, and is typically used for charging larger devices such as laptops and tablets. It provides 20V of voltage and up to 5A of current, for a total power output of up to 100W.
To achieve its compact size, it uses Gallium Nitride technology.
Gallium Nitride (GaN) is a type of semiconductor material that is commonly used in the construction of power converters and adapters. GaN is different from traditional semiconductor materials, such as silicon, in several key ways.
One of the main advantages of GaN over traditional semiconductor materials is its higher thermal conductivity. GaN has a thermal conductivity of approximately 150 W/mK, which is significantly higher than that of silicon, which has a thermal conductivity of approximately 150 W/mK. This means that GaN is able to dissipate heat more efficiently, allowing for smaller and more efficient power converters and adapters.
I strongly recommend the Anker 747 Charger GaNPrime for its compact size, powerful output, and efficient design. It is a great choice for those who need high-power charging on the go, and its use of GaN technology.