CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Channel Well Technology GPU850V-G
Serial Number
Lab ID459
  • Report:
  • Receipt Date: Aug 13, 2018
  • Test Date: Aug 18, 2018
  • Report Date: Aug 21, 2018
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandChannel Well Technology
Manufacturer (OEM)Channel Well Technology
SeriesGPU
Model Number
Serial Number
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12
Rated Frequency (Hz)47-63
Rated Power (W)850
TypeATX12V
Cooling140mm Sleeve Bearing Fan
(D14SM-12)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail 3.3V 5V 12V-MPBH 12V-CPU 12V-VGA1 12V-VGA2 5VSB -12V
Max. Power Amps 22 22 25 40 2.5 0.3
Watts 120 850 12.5 3.6
Total Max. Power (W) 850

Test Equipment

Electronic Loads Chroma 6314A x2
63123A x6
63102A
63101A		 Chroma 63601-5 x4
Chroma 63600-2 x2
63640-80-80 x20
63610-80-20 x2
AC Sources Chroma 6530, Chroma 61604, Keysight AC6804B
Power Analyzers N4L PPA1530 x2, N4L PPA5530
Oscilloscopes Picoscope 4444 & 3424, Keysight DSOX3024A, Rigol DS2072A
Voltmeter Keithley 2015 THD 6.5 Digit
Sound Analyzer Bruel & Kjaer 2250-L G4
Microphone Bruel & Kjaer Type 4955-A, Bruel & Kjaer Type 4189
Data Loggers Picoscope TC-08 x2, Labjack U3-HV x2
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (500mm) 1 1 18AWG No
4+4 pin EPS12V (600mm) 2 2 18AWG No
6+2 pin PCIe (500mm) 2 2 18AWG No
6+2 pin PCIe (500mm+150mm) 2 4 18AWG No
SATA (500mm+150mm+150mm+150mm) 2 8 18AWG No
4 pin Molex (500mm+150mm+150mm+150mm) / FDD (+150mm) 1 4 / 1 18-20AWG No

Parts Description

General Data
Manufacturer (OEM) CWT
Platform Model GPU850V-G
PCB Double Layer
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x CAP004DG
Inrush Protection NTC Thermistor & Relay
Bridge Rectifier(s) 1x GBU15L06 (600V, 15A @ 115°C)
APFC MOSFETS 2x Champion GP28S50G (500 V, 28A @ 150°C, 0.125 Ohm)
APFC Boost Diode 1x Infineon IDH08G65C5 (650V, 8A @ 145°C)
Hold-up Cap(s) 1x CapXon (400V, 680uF, 2000h @ 85 °C, LP)
Main Switchers 2x Infineon IPA60R125P6
(650V, 19A @ 100°C, 0.125Ohm)
APFC Champion CM6502S & CM03X Green PFC controller
Switching Controller Champion CM6901
Topology Primary side: Half-Bridge & LLC Resonant Controller
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETS 6x Inte ational Rectifier IRFH7004TR2PBF (40V, 164A @ 100°C, 1.4mOhm)
5V & 3.3V DC-DC Converters: 2x UBIQ QM3006D FETs (30V, 57A @ 100°C, 5.5mΩ)
2x UBIQ QM3016D FETs (30V, 68A @ 100°C, 4mΩ)
PWM Controller: ANPEC APW7159C
Filtering Capacitors Electrolytics: CapXon (2-5,000 @ 105°C, GF, KF), CapXon (5-10,000 @ 105°C, KH), JunFu (2,000 @ 105°C, WG), JunFu (2-5,000 @ 105°C, WL)
Polymers: APAQ, Elite
Supervisor IC Sytronix ST9S429-PG14 (OCP [2x 12V channels, OVP, UVP, PG) & Weltrend WD7518D (OCP [2x 12V channels], SCP) & LM393G
Fan Model Yate Loon D14SM-12 (140mm, 12V, 0.70A, 62CFM, 1400 RPM, 29 dBA, Sleeve Bearing)
5VSB Circuit
Standby PWM Controller TinySwitch-LT TNY177PN (18W Peak)

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)30-32 / 86-89.6
ErP Lot 3/6 Ready✓
(EU) No 617/2013 Compliance✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms) 13.80
AC Loss to PWR_OK Hold Up Time  (ms) 11.70
PWR_OK Inactive to DC Loss Delay (ms) 2.10

Vampire Power

Graphs

INFO

This graph is generated by the PPA Standby Power Analysis software which takes full control of the power analyzer during the whole procedure. This application features all of the EN50564 & IEC62301 test limits for standby power software testing.

INFO

This graph is generated by the PPA Standby Power Analysis software which takes full control of the power analyzer during the whole procedure. This application features all of the EN50564 & IEC62301 test limits for standby power software testing.

Efficiency Graph

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations.

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations.

Noise Graph

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails.

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails.

Indicative Performance

Efficiency under high ambient temperature

INFO

The PSU`s efficiency under high ambient temperatures with 115V and 230V input. For this graph the results of the 10-110% load regulation table are used.

5VSB Efficiency

INFO

This graph depicts the efficiency levels of the 5VSB rail with 115V and 230V input.

5VSB Efficiency (ERP LOT 3/6 & CEC)

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.230 70.122% 0.034
5.094V 0.328 115.13V
2 0.090A 0.459 76.119% 0.061
5.093V 0.603 115.12V
3 0.550A 2.796 80.786% 0.261
5.083V 3.461 115.13V
4 1.000A 5.073 78.408% 0.356
5.072V 6.470 115.13V
5 1.500A 7.592 78.268% 0.405
5.060V 9.700 115.13V
6 2.500A 12.592 76.144% 0.453
5.036V 16.537 115.12V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.229 63.260% 0.012
5.094V 0.362 230.28V
2 0.090A 0.458 71.340% 0.020
5.093V 0.642 230.28V
3 0.550A 2.796 78.429% 0.103
5.083V 3.565 230.28V
4 1.000A 5.073 78.663% 0.170
5.072V 6.449 230.28V
5 1.500A 7.591 78.680% 0.228
5.060V 9.648 230.28V
6 2.500A 12.595 78.206% 0.303
5.037V 16.105 230.28V

Supplementary Tests (For Reference)

Typical Load Tests

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
1 5.243A 1.974A 1.963A 0.987A 84.752 87.922% 768 17.4 37.73°C 0.963
12.046V 5.067V 3.358V 5.067V 96.395 40.72°C 115.10V
2 11.495A 2.963A 2.949A 1.186A 169.253 91.112% 762 17.3 38.23°C 0.979
12.036V 5.063V 3.356V 5.059V 185.763 41.93°C 115.08V
3 18.158A 3.458A 3.428A 1.386A 254.366 91.750% 765 17.3 39.01°C 0.980
12.026V 5.061V 3.354V 5.050V 277.237 43.12°C 115.08V
4 24.832A 3.954A 3.937A 1.587A 339.577 91.778% 765 17.3 39.76°C 0.980
12.016V 5.058V 3.352V 5.041V 369.999 45.07°C 115.08V
5 31.185A 4.946A 4.923A 1.789A 424.903 91.336% 765 17.3 40.87°C 0.979
12.006V 5.055V 3.350V 5.032V 465.210 46.88°C 115.08V
6 37.479A 5.937A 5.912A 1.992A 509.438 90.194% 762 17.3 42.25°C 0.979
11.997V 5.053V 3.349V 5.022V 564.823 48.83°C 115.08V
7 43.854A 6.932A 6.900A 2.195A 594.780 89.108% 1240 30.8 43.54°C 0.981
11.987V 5.050V 3.347V 5.012V 667.483 50.91°C 115.08V
8 50.243A 7.927A 7.894A 2.399A 680.118 88.102% 1715 39.5 44.24°C 0.983
11.976V 5.047V 3.344V 5.003V 771.967 52.32°C 115.13V
9 57.045A 8.427A 8.378A 2.401A 765.056 87.383% 1832 40.7 45.17°C 0.984
11.965V 5.044V 3.343V 4.998V 875.523 54.61°C 115.08V
10 63.782A 8.928A 8.888A 2.505A 849.781 86.555% 1835 40.7 46.44°C 0.986
11.956V 5.041V 3.341V 4.991V 981.785 56.59°C 115.08V
11 70.934A 8.931A 8.891A 2.508A 934.580 85.630% 1835 40.7 47.24°C 0.987
11.946V 5.039V 3.340V 4.985V 1091.422 58.57°C 115.07V
CL1 0.140A 14.002A 14.001A 0.000A 119.369 84.590% 778 17.6 42.19°C 0.974
12.035V 5.058V 3.347V 5.075V 141.114 49.49°C 115.10V
CL2 70.842A 1.002A 0.999A 1.000A 860.846 87.112% 1837 40.8 46.24°C 0.986
11.962V 5.046V 3.349V 5.032V 988.202 56.57°C 115.08V

The results above are not used in the certification process

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
1 5.250A 1.973A 1.962A 0.987A 84.779 87.135% 768 17.4 38.97°C 0.831
12.037V 5.067V 3.358V 5.066V 97.296 43.27°C 230.26V
2 11.496A 2.962A 2.948A 1.187A 169.272 91.193% 768 17.4 39.82°C 0.911
12.037V 5.064V 3.356V 5.057V 185.619 44.47°C 230.26V
3 18.161A 3.458A 3.426A 1.387A 254.398 92.522% 773 17.5 40.12°C 0.937
12.026V 5.061V 3.354V 5.048V 274.959 45.13°C 230.26V
4 24.834A 3.954A 3.934A 1.588A 339.600 92.892% 773 17.5 40.96°C 0.947
12.016V 5.058V 3.353V 5.040V 365.587 46.41°C 230.27V
5 31.185A 4.946A 4.923A 1.790A 424.914 92.775% 773 17.5 41.88°C 0.954
12.006V 5.056V 3.351V 5.030V 458.005 47.84°C 230.27V
6 37.485A 5.938A 5.910A 1.992A 509.467 92.486% 768 17.4 42.77°C 0.957
11.996V 5.053V 3.349V 5.020V 550.859 49.94°C 230.28V
7 43.860A 6.931A 6.901A 2.196A 594.808 91.860% 1220 30.3 43.40°C 0.961
11.986V 5.050V 3.347V 5.010V 647.519 51.25°C 230.27V
8 50.250A 7.927A 7.894A 2.400A 680.156 91.262% 1692 39.1 44.21°C 0.963
11.975V 5.047V 3.345V 5.000V 745.277 52.84°C 230.29V
9 57.050A 8.427A 8.374A 2.402A 765.103 90.815% 1832 40.7 45.52°C 0.965
11.965V 5.044V 3.343V 4.996V 842.483 54.60°C 230.28V
10 63.795A 8.927A 8.888A 2.506A 849.810 90.315% 1835 40.7 46.39°C 0.966
11.954V 5.042V 3.341V 4.988V 940.941 56.30°C 230.31V
11 70.947A 8.932A 8.892A 2.509A 934.602 89.799% 1835 40.7 47.40°C 0.968
11.944V 5.039V 3.340V 4.983V 1040.768 57.89°C 230.36V
CL1 0.143A 14.003A 14.000A 0.000A 119.405 84.243% 775 17.5 43.25°C 0.885
12.027V 5.058V 3.347V 5.074V 141.738 51.00°C 230.28V
CL2 70.845A 1.000A 1.000A 1.000A 860.731 90.859% 1839 40.8 46.16°C 0.967
11.960V 5.046V 3.349V 5.031V 947.328 55.96°C 230.29V

The results above are not used in the certification process

Light Load Tests

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) PF/AC Volts
1 1.188A 0.493A 0.476A 0.197A 19.425 70.670% 762 17.3 0.868
12.056V 5.071V 3.361V 5.090V 27.487 115.10V
2 2.451A 0.985A 0.981A 0.393A 39.826 81.888% 758 17.3 0.938
12.052V 5.069V 3.360V 5.084V 48.635 115.09V
3 3.646A 1.480A 1.457A 0.591A 59.331 85.719% 762 17.3 0.953
12.050V 5.068V 3.359V 5.078V 69.216 115.09V
4 4.910A 1.973A 1.965A 0.789A 79.749 87.568% 762 17.3 0.965
12.047V 5.067V 3.358V 5.072V 91.071 115.09V

The results above are not used in the certification process

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) PF/AC Volts
1 1.192A 0.493A 0.472A 0.197A 19.450 67.046% 773 17.5 0.523
12.047V 5.072V 3.362V 5.089V 29.010 230.26V
2 2.455A 0.987A 0.981A 0.394A 39.868 79.358% 768 17.4 0.680
12.043V 5.069V 3.360V 5.083V 50.238 230.26V
3 3.652A 1.480A 1.457A 0.591A 59.365 84.201% 758 17.3 0.771
12.040V 5.068V 3.359V 5.077V 70.504 230.26V
4 4.914A 1.973A 1.963A 0.789A 79.741 86.863% 775 17.5 0.822
12.037V 5.067V 3.358V 5.071V 91.801 230.26V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 11.0 mV 12.4 mV 12.2 mV 7.2 mV Pass
20% Load 14.2 mV 11.8 mV 13.1 mV 7.8 mV Pass
30% Load 13.0 mV 11.6 mV 12.6 mV 8.9 mV Pass
40% Load 13.4 mV 12.7 mV 13.9 mV 8.4 mV Pass
50% Load 14.3 mV 13.2 mV 14.0 mV 11.7 mV Pass
60% Load 13.9 mV 14.0 mV 15.1 mV 16.1 mV Pass
70% Load 13.3 mV 14.2 mV 16.3 mV 20.2 mV Pass
80% Load 13.4 mV 16.0 mV 17.7 mV 28.7 mV Pass
90% Load 14.4 mV 16.4 mV 18.0 mV 26.0 mV Pass
100% Load 23.0 mV 16.5 mV 21.0 mV 22.4 mV Pass
110% Load 22.7 mV 17.6 mV 21.1 mV 27.6 mV Pass
Crossload 1 18.1 mV 13.9 mV 21.0 mV 6.6 mV Pass
Crossload 2 21.2 mV 17.5 mV 17.6 mV 17.1 mV Pass

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 7.3 mV 11.2 mV 11.6 mV 7.5 mV Pass
20% Load 21.1 mV 12.2 mV 12.3 mV 8.4 mV Pass
30% Load 18.8 mV 13.9 mV 13.6 mV 8.6 mV Pass
40% Load 14.7 mV 13.4 mV 13.6 mV 10.1 mV Pass
50% Load 14.5 mV 13.2 mV 14.6 mV 12.7 mV Pass
60% Load 14.1 mV 13.5 mV 15.2 mV 16.7 mV Pass
70% Load 13.8 mV 14.7 mV 15.9 mV 20.4 mV Pass
80% Load 13.7 mV 16.2 mV 17.7 mV 27.5 mV Pass
90% Load 15.1 mV 16.1 mV 18.6 mV 24.1 mV Pass
100% Load 22.1 mV 16.0 mV 21.1 mV 23.1 mV Pass
110% Load 23.4 mV 15.9 mV 21.2 mV 25.4 mV Pass
Crossload 1 20.8 mV 14.0 mV 21.5 mV 7.2 mV Pass
Crossload 2 20.8 mV 18.4 mV 17.5 mV 16.9 mV Pass

The results above are not used in the certification process

Channel Well Technology GPU850V-G

Top side
Power specifications label
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient and silent power supplies are promoted
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