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Old 26th January 2010, 05:45 AM   #11
Cristi is offline Cristi  Europe
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when i made the board i had available just the 12A FPS. with that one can get 200W continuous and 280W peak power. now i have 15A FPS and together with bigger size transformer, i can get 250W/350W. the maximum current is about 6A at 230V mains and 5A at 110V mains voltage.
 
Old 30th January 2010, 02:45 PM   #12
back is offline back  Greece
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hi christi.

is the smps 1000 A a regulated power supply?
 
Old 30th January 2010, 05:38 PM   #13
Cristi is offline Cristi  Europe
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yes. and the main output voltage can be adjusted within +-45 to +-55V range without changing any components.
 
Old 12th February 2010, 02:29 PM   #14
alkasar is offline alkasar  France
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Hello Cristi : what is the exact size of SMPS 250 pcb ? heatsink ?

can it be used with TDA892x amps ?

thanks
 
Old 12th February 2010, 02:37 PM   #15
Cristi is offline Cristi  Europe
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the smps250 pcb size is 100x90mm. complete size including all the parts and heatsink 100x100x52mm. the output voltage can be adjusted within +-25 to +-31V range, so can be used for any TDA89xx amplifier modules.
 
Old 12th February 2010, 02:57 PM   #16
bjorge is offline bjorge  Norway
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...and what is the pcb size of the SMPS1000 ?
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Old 15th February 2010, 09:58 AM   #17
Cristi is offline Cristi  Europe
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the A1000SMPS has 120x200 mm and the height is about 40mm
 
Old 22nd March 2010, 02:23 PM   #18
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Default How to connect to TDA89xx board?

Quote:
Originally Posted by Cristi View Post
the smps250 pcb size is 100x90mm. complete size including all the parts and heatsink 100x100x52mm. the output voltage can be adjusted within +-25 to +-31V range, so can be used for any TDA89xx amplifier modules.
If I want to use the smps instead of my toroids, how do I connect the SMPS. Is it in the samme place as the toroid, or should I solder new connections somewhere on the circuit board?
 
Old 23rd March 2010, 04:30 AM   #19
Cristi is offline Cristi  Europe
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to use the smps for the TDA89xx amplifier modules, just simply remove the rectifier bridge from the board and connect the AC1, AC2, to the corresponding + and - pins, and connect the smps to the amplifier board with regard to the correct polarity. the smps output voltage must be lower for the TDA8920 and TDA8924 amplifier boards, +-24V and for the TDA8950 can be +-30V. the voltage can be adjusted from the small pot on the smps board.
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Old 30th April 2010, 03:46 AM   #20
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Hi Cristi
Do you have a smps for DA-1 amp?
 

 


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