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What happens if a PWM device connected to D5 NEXT try to draw more than 25W?

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klara

Junior Member

What happens if a PWM device connected to D5 NEXT try to draw more than 25W?

Tuesday, April 25th 2023, 3:45pm

D5 NEXT specification tells that it can provide 25W power through its PWM port.


What happens if I connect a device potentially can draw more than 25W?

For instance, I may connect a group of PWM fans with total maximum power of 30W.
Or, I may connect a PWM pump whose maximum power is 30W.

Is it just slow down the device with low RPM? Or maybe something bad could happen?

sebastian

Administrator

Tuesday, April 25th 2023, 3:50pm

The fan output is broken against.
This can happen even with less power if the fans have a high startup current.
This value is to be understood as an absolute maximum and must never be exceeded.

klara

Junior Member

Wednesday, April 26th 2023, 7:30am

Quoted from "sebastian"

The fan output is broken against.
This can happen even with less power if the fans have a high startup current.
This value is to be understood as an absolute maximum and must never be exceeded.
Understood, thank you for your clear answer!

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