CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Lian Li SP750
Serial NumberG89SP750BY210501444
Lab IDLL75001861
  • Report: 21PS1861A
  • Receipt Date: Jun 8, 2021
  • Test Date: Jun 18, 2021
  • Report Date: Jun 22, 2021
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandLian Li
Manufacturer (OEM)Helly Technology
Series
Model NumberSP750
Serial NumberG89SP750BY210501444
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10
Rated Frequency (Hz)50-60
Rated Power (W)750
TypeSFX
Cooling92mm Double Ball Bearing Fan
(D92LH-12B)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps2020622.50.3
Watts10074412.53.6
Total Max. Power (W)750

Test Equipment

Electronic Loads Chroma 63601-5 x4
Chroma 63600-2 x2
63640-80-80 x20
63610-80-20 x2
AC Sources Chroma 6530, Keysight AC6804B
Power Analyzers N4L PPA1530 x2
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Data Loggers Picoscope TC-08 x2, Labjack U3-HV x2
Tachometer UNI-T UT372 x2
Digital Multimeter Keysight U1273AX, Fluke 289, Keithley 2015 - THD
UPS CyberPower OLS3000E 3kVA x2
Transformer 3kVA 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 (300mm) 1 1 16-20AWG No
4+4 pin EPS12V (450mm+70mm) 1 2 18AWG No
6+2 pin PCIe (400mm+125mm) 1 2 18AWG No
6+2 pin PCIe (400mm) 1 1 18AWG No
SATA (115mm+120mm+120mm+120mm) 2 8 18AWG No
4-pin Molex (120mm+120mm+120mm+120mm) 1 4 18AWG No
AC Power Cord (1380mm) - C13 coupler 1 1 18AWG -

Parts Description

General Data
Manufacturer (OEM) Helly Technology
PCB Type Double Sided
Primary Side
Transient Filter 2x Y caps, 1x SMD-Y cap, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection -
Bridge Rectifier(s) 1x
APFC MOSFETs 2x Oriental Semiconductor OSG55R140F (550V, 14.5A @ 100°C, Rds(on): 0.14Ohm)
APFC Boost Diode 1x Global Power Technology G3S06506A (650V, 6A @ 155°C)
Bulk Cap(s) 1x Nippon Chemi-Con (400V, 470uF, 2,000h @ 105°C, KMW)
Main Switchers 2x Oriental Semiconductor OSG55R140F (550V, 14.5A @ 100°C, Rds(on): 0.14Ohm)
APFC Controller Champion CM6502UHH
Resonant Controller Champion CM6901X
Topology Primary side: APFC, Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 6x NCE NCEP40T13GU (40V, 100A @ 100°C, Rds(on): 2.3mOhm)
5V & 3.3V DC-DC Converters: 2x Excelliance MOS EMB03N03R (30V, 50A @ 100°C, Rds(on): 3.5mOhm) &
2x Excelliance MOS EMB06N03A (30V, 50A @ 100°C, Rds(on): 6mOhm)
PWM Controller(s): ANPEC APW7159B
Filtering Capacitors Electrolytic: 1x Nippon Chemi-Con (4-10,000h @ 105°C, KY), 2x Nippon Chemi-Con (2-8,000h @ 105°C, LXZ)
Polymer: 22x no info
Supervisor IC Grenergy GR8313 (OVP, UVP, SCP, PG)
Fan Model Yate Loon D92LH-12B (92mm, 12V, 0.60A, Double Ball Bearing Fan)
5VSB Circuit
Rectifier 1x 45R20S
Standby PWM Controller Excelliance MOS EM8569C
-12V
Rectifier 1x STMicroelectronics L7912CV (-12V, 1.5A)

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)12.5
AC Loss to PWR_OK Hold Up Time (ms)10.9
PWR_OK Inactive to DC Loss Delay (ms)1.6

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 0.231 68.142% 0.053
5.142V 0.339 115.15V
2 0.090A 0.462 75.000% 0.093
5.138V 0.616 115.15V
3 0.550A 2.811 83.735% 0.268
5.112V 3.357 115.15V
4 1.000A 5.086 84.177% 0.312
5.087V 6.042 115.15V
5 1.500A 7.587 83.806% 0.335
5.059V 9.053 115.15V
6 2.499A 12.500 82.661% 0.362
5.002V 15.122 115.15V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231 61.930% 0.018
5.141V 0.373 230.28V
2 0.090A 0.462 69.578% 0.032
5.138V 0.664 230.27V
3 0.550A 2.811 82.217% 0.138
5.113V 3.419 230.26V
4 1.000A 5.087 83.230% 0.200
5.088V 6.112 230.26V
5 1.500A 7.588 82.793% 0.240
5.059V 9.165 230.27V
6 2.499A 12.498 82.072% 0.280
5.001V 15.228 230.27V

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 4.405A 1.955A 1.961A 0.984A 74.951 86.227% 1871 31.5 40.68°C 0.948
12.111V 5.119V 3.363V 5.081V 86.923 44.25°C 115.14V
2 9.840A 2.935A 2.952A 1.185A 149.988 89.910% 1967 33.3 40.76°C 0.974
12.102V 5.111V 3.355V 5.062V 166.821 44.88°C 115.13V
3 15.623A 3.428A 3.449A 1.387A 224.980 91.066% 2078 34.6 41.09°C 0.981
12.094V 5.103V 3.348V 5.044V 247.052 45.73°C 115.13V
4 21.413A 3.925A 3.950A 1.592A 299.976 91.421% 2220 35.9 41.86°C 0.988
12.085V 5.096V 3.341V 5.026V 328.127 47.05°C 115.13V
5 26.814A 4.915A 4.951A 1.798A 374.279 90.962% 2456 40.4 42.26°C 0.991
12.075V 5.087V 3.332V 5.006V 411.469 48.28°C 115.13V
6 32.274A 5.908A 5.957A 2.000A 449.201 90.588% 2672 40.8 42.62°C 0.993
12.066V 5.079V 3.324V 4.987V 495.870 49.26°C 115.13V
7 37.777A 6.904A 6.968A 2.214A 524.546 90.114% 2896 44.1 43.20°C 0.994
12.056V 5.070V 3.316V 4.967V 582.091 50.22°C 115.13V
8 43.288A 7.906A 7.983A 2.425A 599.855 89.469% 2978 44.9 43.93°C 0.995
12.046V 5.061V 3.307V 4.947V 670.461 51.81°C 115.12V
9 49.170A 8.407A 8.484A 2.428A 674.381 88.887% 2979 44.9 44.07°C 0.996
12.038V 5.054V 3.299V 4.940V 758.696 52.63°C 115.12V
10 55.065A 8.917A 9.022A 2.537A 749.515 88.142% 2988 45.2 45.49°C 0.996
12.028V 5.046V 3.292V 4.926V 850.348 54.66°C 115.11V
11 61.358A 8.928A 9.039A 2.540A 824.701 87.527% 2997 45.4 46.26°C 0.996
12.020V 5.039V 3.285V 4.920V 942.227 55.88°C 115.11V
CL1 0.116A 11.998A 11.997A 0.000A 102.628 85.123% 2461 40.5 41.98°C 0.964
12.099V 5.096V 3.341V 5.127V 120.564 48.81°C 115.15V
CL2 61.993A 0.998A 1.000A 1.000A 759.663 88.565% 2993 45.4 45.66°C 0.996
12.038V 5.064V 3.308V 5.029V 857.747 54.43°C 115.11V

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 4.409A 1.954A 1.963A 0.984A 74.952 85.784% 2010 34.0 40.66°C 0.815
12.100V 5.118V 3.363V 5.081V 87.373 43.60°C 230.34V
2 9.841A 2.935A 2.952A 1.185A 149.996 91.162% 2002 34.1 40.77°C 0.914
12.102V 5.110V 3.355V 5.062V 164.537 44.18°C 230.33V
3 15.624A 3.430A 3.448A 1.388A 224.989 92.299% 2145 35.7 41.06°C 0.946
12.093V 5.103V 3.348V 5.044V 243.762 45.11°C 230.32V
4 21.415A 3.925A 3.951A 1.592A 299.979 92.733% 2228 35.9 41.52°C 0.961
12.084V 5.096V 3.340V 5.026V 323.487 46.32°C 230.32V
5 26.816A 4.918A 4.952A 1.798A 374.324 92.667% 2462 40.5 42.65°C 0.970
12.075V 5.087V 3.332V 5.007V 403.945 48.24°C 230.31V
6 32.279A 5.908A 5.956A 2.000A 449.225 92.475% 2679 40.8 42.79°C 0.974
12.065V 5.079V 3.324V 4.987V 485.781 49.48°C 230.31V
7 37.783A 6.905A 6.967A 2.214A 524.575 92.190% 2869 44.3 43.24°C 0.978
12.055V 5.070V 3.315V 4.967V 569.012 50.79°C 230.31V
8 43.291A 7.905A 7.981A 2.425A 599.880 91.751% 2983 45.2 43.94°C 0.981
12.046V 5.061V 3.307V 4.947V 653.816 51.86°C 230.30V
9 49.179A 8.409A 8.487A 2.429A 674.415 91.342% 2983 45.2 44.19°C 0.983
12.036V 5.054V 3.299V 4.940V 738.343 52.90°C 230.31V
10 55.072A 8.917A 9.020A 2.537A 749.538 90.893% 2987 45.2 45.52°C 0.984
12.027V 5.046V 3.292V 4.926V 824.634 54.83°C 230.31V
11 61.365A 8.929A 9.037A 2.540A 824.723 90.509% 3000 45.5 46.17°C 0.985
12.019V 5.039V 3.285V 4.920V 911.206 55.85°C 230.30V
CL1 0.116A 11.998A 11.998A 0.000A 102.629 85.962% 2570 40.9 42.55°C 0.874
12.091V 5.096V 3.341V 5.126V 119.389 48.18°C 230.31V
CL2 61.994A 1.000A 1.001A 1.000A 759.564 91.454% 2999 45.5 45.40°C 0.984
12.036V 5.064V 3.308V 5.028V 830.541 54.50°C 230.31V

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 1.223A 0.488A 0.490A 0.195A 19.978 73.174% 1708 29.6 0.800
12.119V 5.128V 3.372V 5.133V 27.302 115.15V
2 2.449A 0.976A 0.978A 0.390A 39.966 81.319% 1737 30.0 0.895
12.117V 5.124V 3.368V 5.119V 49.147 115.14V
3 3.678A 1.464A 1.471A 0.587A 59.999 84.808% 1764 30.2 0.930
12.114V 5.121V 3.365V 5.106V 70.747 115.14V
4 4.901A 1.954A 1.962A 0.785A 79.952 86.892% 1825 31.5 0.951
12.111V 5.118V 3.363V 5.092V 92.013 115.14V

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 1.225A 0.488A 0.490A 0.195A 19.985 63.622% 1750 30.1 0.521
12.108V 5.126V 3.370V 5.132V 31.412 230.32V
2 2.452A 0.975A 0.979A 0.391A 39.976 78.915% 1769 30.3 0.668
12.105V 5.123V 3.368V 5.119V 50.657 230.37V
3 3.682A 1.464A 1.469A 0.588A 60.005 83.572% 1890 31.7 0.768
12.103V 5.120V 3.365V 5.106V 71.800 230.36V
4 4.906A 1.953A 1.963A 0.785A 79.953 86.787% 1913 32.3 0.826
12.100V 5.117V 3.362V 5.092V 92.126 230.34V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load8.24mV11.74mV6.03mV8.13mVPass
20% Load9.29mV12.30mV6.20mV8.73mVPass
30% Load11.19mV12.52mV6.25mV8.73mVPass
40% Load12.85mV12.83mV6.98mV9.24mVPass
50% Load15.23mV13.62mV7.64mV9.62mVPass
60% Load17.28mV13.97mV7.99mV10.35mVPass
70% Load18.60mV14.83mV8.45mV10.35mVPass
80% Load20.19mV14.91mV9.71mV12.39mVPass
90% Load21.51mV15.37mV9.98mV12.52mVPass
100% Load29.17mV16.65mV10.83mV15.64mVPass
110% Load31.81mV16.68mV11.02mV15.46mVPass
Crossload114.56mV19.84mV11.66mV17.34mVPass
Crossload229.59mV15.49mV10.29mV12.10mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load6.48mV11.61mV5.90mV7.75mVPass
20% Load12.71mV11.92mV6.20mV7.90mVPass
30% Load12.41mV12.52mV6.96mV8.46mVPass
40% Load14.02mV13.03mV7.26mV8.94mVPass
50% Load15.59mV13.21mV7.66mV9.79mVPass
60% Load16.68mV13.72mV7.77mV10.30mVPass
70% Load18.14mV14.02mV8.19mV10.83mVPass
80% Load19.66mV15.67mV9.91mV12.27mVPass
90% Load21.51mV15.65mV9.83mV12.12mVPass
100% Load29.58mV17.03mV10.39mV15.44mVPass
110% Load31.73mV17.21mV11.11mV14.94mVPass
Crossload119.14mV19.97mV12.99mV19.05mVPass
Crossload229.60mV14.83mV9.48mV11.43mVPass

The results above are not used in the certification process

Lian Li SP750

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
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
www.cybenetics.com - info@cybenetics.com