When charging my dead iPad with an ATX PSU, the wires got very hot. Why?

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s355

Joined Apr 13, 2021
32
I connected the 5V rail of the PSU to the VCC of the stripped USB cable, and GND to GND. What rail can I use instead of the 5V rail?
 

MisterBill2

Joined Jan 23, 2018
8,736
Does it work with that connection? Does it recharge the Ipad properly? If it works then let it be used, If it damages the ipad then there is a problem.
 

sparky 1

Joined Nov 3, 2018
539
Possibly the PSU wires are experiencing Inrush current. Converters are also known also to have inrush.
I have some circuits, in simulation the oscilloscope on first capacitor shows huge initial surge in turn it is felt on the regulators and down stream.
Possibly to protect or prolong your circuit you may need a thermistor and capacitor if that is what is happening.
https://en.wikipedia.org/wiki/Inrush_current
 
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