I'm just doubting that those small DC DC converters can actually deliver 3A continuously.Quote:
Originally Posted by strider1911
I don't know how much current the Saturn uses.
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I'm just doubting that those small DC DC converters can actually deliver 3A continuously.Quote:
Originally Posted by strider1911
I don't know how much current the Saturn uses.
The Saturn says it's a 25W device, but it seems odd that it would use nearly five Amps. Of course, I = P/E isn't the best way to determine actual current draw, as it's at best, a back of the envelope calculation.
The few original power supplies that list amperage all say 0.35A or 0.4A, so I doubt you'd need ten times as much.
The 3V lead if fused so I don't have to worry about it, I can measure the current in the 5V line and shut the power off if it used more than 2A. Or I can add another fuse.
I think i’ll just recap my existing saturn PSU rather than replacing it with a new one
Yesterday I was doing some tests with my Saturn and this is what I got:
9V 0,45A (average on read, but it jump up to 0.88A some times)
5V 1.3A (mostly stable)
3.3V 0.13A (jump from 100 to 130 mA)
This is a model 1 PAL, MK-80200-50. This unit use the 9V for drive the CD, this is why the current on the 9V rail sometimes go so high.
I'm bit rusty with Saturns, but, if I remember correctly some model 2 don't use the 9V to drive the CD. So on these units, the current consumption on the 5V rail can be higher.
About the resistor network, I suggest to desolder it before. The measures taken on the circuit are not reliable.
Thanks! Exactly what I needed.Quote:
Originally Posted by majinga