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« on: February 19, 2019, 07:34:50 PM »
tictoc21
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Hi rc lovers
This is my new built 500watt bench top power supply made out of spare SMPS.
The output voltages are,
+12v at max 15 amp,  +5v at max 20amps, + 3.3v at max 16 amp, -5 v at max 0.5amp, -12 v at max 0.3 amps

rps20190219_174749.jpg
Power supply
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« Reply #1 on: February 19, 2019, 08:55:16 PM »
K K Iyer
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Hi rc lovers
This is my new built 500watt bench top power supply made out of spare SMPS.

Interesting, but not quite clear!

The output voltages are,
+12v at max 15 amp, i.e, 180w
+5v at max 20amps, i.e, 100w
+ 3.3v at max 16 amp, i.e, 53w
-5 v at max 0.5amp, Huh?
-12 v at max 0.3 amps Huh?

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« Reply #2 on: February 19, 2019, 09:50:03 PM »
tictoc21
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12v ×14 amp = 168 watt x 2 outputs= 336 watt ( see 3rd pic)
5× 20 amp = 100 watt
3.3v ×  16 amp = 52.8 watt
-5 v × - 0.5 amp = 2.5 watt
-12 v × - 0.3 amp = 3.6 watt

Total 494.9 watt
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« Reply #3 on: February 19, 2019, 11:28:31 PM »
Balakrishna Reddy
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12V rail has two outputs?
You mean you have put two SMPS components in one box?
BTW can you post ratings of SMPS itself.
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« Reply #4 on: February 20, 2019, 12:05:32 AM »
tictoc21
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This is it!

rps20190220_000531.jpg
Re: Power supply
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« Reply #5 on: February 20, 2019, 10:05:57 PM »
saikat
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So if you join both the yellow you can load 28 amps .... ?
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« Reply #6 on: February 20, 2019, 10:51:16 PM »
tictoc21
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According to Kirchoff's first law its yes...!
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