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