I gave up with those PicoPSU's. Everyone I tried either did not work from new, or blew up
I never "got" how they seemed to be working out the power for it. As if you have a 50W PSU and used 3.3V 8A thats only 26watts. So they say all is good.
But 50watt PSU at 12V is only 4amps. According to the "designer" that will work fine. I asked , well how they getting 8amps out of a 4amp PSU as they do not seem to have a step down coil, if they pulsed 12V down to 2:1 pulse transformer they could get 6V 8A which would work. But I was told they don't work that way. Am I missing something ??
I gave up looking in the end as I couldn't find proper info on them or how they were working. I think I found a much larger PSU in the end, I think that was 200watt rated, even so, the amps on the 3.3V rail were limited to about 8amps anyway. A 100watt version was limited to about 4amps. So that means to me, you need 200watts to power a 26watt load. Not actually due to wattage. but you can't get more amps than your putting in without a step down transformer.
You need 200watts 12V PSU to get 8amps 12V . 8amps at 12V simple switchmode down to 3.3V can only output up to 8amps surely ?! If there was a switchmode down to 2:1 coil, half the voltage, double the current, could get 16 amps then. down to 3V could get 32 amps. Though can't see how they manage to get 8amps out of a 4amps PSU. Unless I am missing something somewhere ??
In anycase, the 200Watt PSU I got powered my CT60 fine. Though those smaller PicoPSU things just get red hot and die. I know lots of people used them and they work fine. Though I can't understand if the 060 CPU is rated at needed 8amps, how a 50watt 4Amp input can deliver the 8amps the CPU needs. Unless those people never tested the CPU at full load. So 4amps might be enough.