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EVGA EPOWER card (The Untouchables)

Technical documentation
12/09/2010

High-current SMPS Board.

Features

  • 12V and +5V Input voltage
  • Primary DC-DC with Volterra 1185MF chipset (10phase)
  • Syncronous DC-DC design for >300A
  • secondary DC-DC with uPI uP6212AG (3 phase DrMOS)
  • Current DACs for feedback adjusts
  • Monitoring points, FAN curcuitry
  • SMbus header for digital monitoring and controls.

Engineering sample, not for sale.
Hi-res photos

Files

ecard_mainsch.jpg (1.21 MB) ecard_mainsch.jpg Main Volterra phases tin, 12/09/2010 07:24 AM
ecard_pconns.jpg (617 KB) ecard_pconns.jpg Input power connectors Minifit JR 6-pin tin, 12/09/2010 07:24 AM
ecard_pwred.jpg (488 KB) ecard_pwred.jpg Monitoring LEDs and FAN header tin, 12/09/2010 07:24 AM
ecard_sense.jpg (696 KB) ecard_sense.jpg Sense points for debug tin, 12/09/2010 07:24 AM
ecard_0.jpg (614 KB) ecard_0.jpg Overview of module tin, 12/09/2010 07:24 AM
ecard_1.jpg (1.5 MB) ecard_1.jpg Power phase without heatsink. Volterra 1185SF CSP DrMOS tin, 12/09/2010 07:24 AM
ecard_2.jpg (499 KB) ecard_2.jpg EVGA markings tin, 12/09/2010 07:24 AM
ecard_aux.jpg (1.11 MB) ecard_aux.jpg Secondary DC-DC controller with its power input socket tin, 12/09/2010 07:24 AM
ecard_vtmf.jpg (1.09 MB) ecard_vtmf.jpg Volterra master chipset controller, VT1185MF tin, 12/09/2010 07:24 AM
ecard_caps.jpg (1.2 MB) ecard_caps.jpg Output capacitors tin, 12/09/2010 07:24 AM
ecard_dbg1.jpg (1.5 MB) ecard_dbg1.jpg Digital control of EVGA EPOWER card, power-on state tin, 12/09/2010 07:26 AM
ecard_dbg3.jpg (1.09 MB) ecard_dbg3.jpg Adjusted new voltage using xDevs.com HC1 device tin, 12/09/2010 07:26 AM
evgaur.jpg (26 KB) evgaur.jpg preview tin, 12/16/2010 09:49 PM