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Author Topic: Inside of a Thermaltake 750 Watt power supply  (Read 1395 times)
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MAXPAYNE
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« on: April 24, 2010, 01:36:16 13:36 »

I took snapshot of my recently bought thermaltake toughpower 750 watt power supply. But i couldn't figure it out which topology they have used ........ :-(

Pls see the inside pictures and comment which topology they may use Huh


Thnks a lot.
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hodahel
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« Reply #1 on: April 25, 2010, 07:39:55 07:39 »

much better if you include parts list for some chips they are using..Cheesy..drive IC's power output stage..etc..
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solutions
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« Reply #2 on: April 25, 2010, 09:03:44 21:03 »

The specs for these (from Intel) are here: http://www.formfactors.org/developer%5Cspecs%5CPSU_DG_rev_1_1.pdf

If you have the FCC ID number, you should be able to get a schematic from them to post here.

Enter FCC ID off the sticker here:  http://www.fcc.gov/oet/ea/fccid/
« Last Edit: April 26, 2010, 09:47:31 21:47 by solutions » Logged
MAXPAYNE
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« Reply #3 on: April 26, 2010, 07:31:03 19:31 »

The specs for these (from Intel) are here: http://www.formfactors.org/developer%5Cspecs%5CPSU_DG_rev_1_1.pdf

If you have the FCC ID number, you should be able to get a schematic from them to post here.

How Huh?

one of the chip was CM6800. others is impossible to identify.......
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crahak
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« Reply #4 on: April 27, 2010, 02:41:54 02:41 »

There's no way to tell much from the pictures you took (we see mainly the heat sinks' tops and some coils).

But I think this review will answer most of your questions:

http://www.hardwaresecrets.com/article/369/1
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tAhm1D
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« Reply #5 on: May 05, 2010, 06:38:48 18:38 »

Hi,
From the picture, I can see there is only one large bulk capacitor at the input side, so that means it is not half-bridge circuit which requires two bulk caps at the input. The power level is 750W so I'm guessing it's not flyback as the power would seem too much for flyback topology with crazy peak currents and other complications. The two other reasonable topologies remaining are push-pull and full-bridge. Both are possible, although usually push-pull is eliminated from these types of high voltage circuits due to the requirement of MOSFETs requiring Vds AT LEAST 2x Input DC Voltage. So, this leaves us with full-bridge topology.
The heatsinks show a huge number of FETs and diodes. I'm guessing four of them are for the full-bridge section, can you check the MOSFET part numbers and how many there are?
It could also be a two-stage Forward Topology. But I'm not very sure about this.
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MAXPAYNE
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« Reply #6 on: May 06, 2010, 03:30:45 03:30 »

ya tahmid,  2 stage forward topology is used here ........according to post by crahak and i chked it, they r more than 90 % similar....

btw can u help me in this topology. i wanna know details as this topology is new to me......

thnk u everyone
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