3 ms·

> we recommend a 5w PSU like our new 27W PSU Ermmm, what?

• pja 3y ago
  It’s a typo: They mean 5A I think.
• marcosdumay 3y ago
  It's clearly a typo, and should be 5V. But then you get 5V 5A ... 27W that is clearly incorrect too. So my guess is nobody is proofreading the technical specifications, and everybody that cares was kept away from that page.
  • nimmen 3y ago
    5V * 5A = 25W, no PSU is 100% effective so 27W is reasonable requirement
    • ralphm 3y ago
      I expect it is 27W to support 9V 3V, not because of tolerances per se. (Source https://www.sparkfun.com/products/23583 https://www.sparkfun.com/products/23583)
    • marcosdumay 3y ago
      You don't specify a PSU by its energy consumption. You specify it by output. Also, that 92% efficiency, is believable, but a bit high for a 5V 5A PSU (this is a difficult combination). I would expect any such unity to be marketed as high-efficiency.