USB Maximum Power - kylessukaichang/kylessukaichang.github.io GitHub Wiki

• [USB Maximum Power Output Standards][1]
  • USB 1.0 and 2.0
    • standard downstream port
      • delivers up to 500 mA or 0.5A
  • USB 3.0
    • each standard output
      • up to 900mA or 0.9A
      • 4.5 watts
      • 5 volts
    • dedicated charging and charging downstream ports
      • up to 1,500 mA or 1.5A
      • 7.5 watts.

[1]:https://resources.pcb.cadence.com/blog/2020-what-are-the-maximum-power-output-and-data-transfer-rates-for-the-usb-standards