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Old 23rd June 2010, 12:48 PM   #41
Cristi is offline Cristi  Europe
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The BIPS modules requres very low current, up to 10mA and the SMPS500R auxilliary voltage can supply 3 modules without problem. the only thing what might need to change is to lower the value of the resistors connected between supply and zenner diodes.

The LM4702 amplifiers can be supplied by SMPS500R as i mentioned before, and they can be ordered with higher aux. voltage to supply the driver of the amplifier separately.
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Old 1st July 2010, 01:46 AM   #42
julcat is offline julcat  Mexico
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Cristi could you please tell me the dimensions WXDXH of the SMPS500R 110v +- 27V power supply, Thanks
 
Old 1st July 2010, 02:11 AM   #43
Cristi is offline Cristi  Europe
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The size of the board is 100x100mm and about 40mm tall.
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Old 2nd July 2010, 08:21 AM   #44
Rephlex is offline Rephlex  United Kingdom
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Hi Cristi, what are the main difference between the A350SMPS and the SMPS250? I am looking for a power supply for an amp based on a tripath TA2022.
Cheers!
 
Old 2nd July 2010, 12:05 PM   #45
Cristi is offline Cristi  Europe
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The A350SMPS is quasi resonant Half-Bridge unregulated output SMPS and the SMPS250 is resonant Flyback regulated output SMPS. for better performances i recommend SMPS250 for class D and T amplifiers with power level of up to 100W per channel or 2 modules with 70W per channel each module.
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Old 10th July 2010, 04:19 AM   #46
fb is offline fb  Australia
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Cristi, when can we expect the new version of SMPS1000? It will be single-ended supply only, correct? I’d need ~1000W peak at +50V.
 
Old 12th July 2010, 03:19 AM   #47
Cristi is offline Cristi  Europe
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The actual version of A1000SMPS can provide both differential voltages in range of +-45 to +-58V, different values on request, as well as single voltage in range of +45V to +60V, other values on request.
Aso, a higher power SMPS is under development, but, as we know, it will be available for sale just when will be completed, fully tested and first batch on stock.
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Old 12th July 2010, 04:44 AM   #48
joemana is offline joemana  United States
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Is the auxiliary output ISOLATED from the main output? if not, can it be requested?

Joe
 
Old 12th July 2010, 08:33 AM   #49
Cristi is offline Cristi  Europe
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Yes, it is. and the aux. gnd can be connected to V-, V+ or main GND as well.
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Old 13th July 2010, 09:35 AM   #50
alkasar is offline alkasar  France
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Join Date: Jan 2009
Location: near Paris, France
Hello Cristi, after few weeks of service, my SMPS200 just died
I heard a noise (a loud CLAC!) when switched amp on. No voltage at the output. Visually, nothing seems burned. Fuse is ok.
What tests can I do to find out what component is broken ?
 

 


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