Topology and Teardown
The platform looks similar to the previous Hydro G Pro units, with some modifications to meet ATX v3.0 and PCIe 5.0 requirements. FSP has used high quality parts, including Japanese capacitors on the primary and secondary sides and a high quality fan from Protechnic Electric. The PCB finish doesn’t look as good in some areas, and I also found some longer than optimal component cables, but these won’t cause any problems.
On the primary side we find a half-bridge topology and an LLC resonant converter, while on the secondary side FSP has followed the typical recipe: synchronous rectification for 12V and a pair of DC-DC converters for the side rails. There is also a dedicated fan controller, an APW9010 IC. The bulk cap in this power supply has server-grade specifications with a rated voltage of 450V and a lifetime of 3000h @ 105°C. Most power supplies use 2000h @ 105°C bulk caps with lower voltage ratings, 400V or 420V.
Now let’s take a look at the inside of the PSU, the components and PCBs:
Component overview
Finally I listed all used components for the interested readers:
| General Data | – |
| Manufacturer (OEM) | FSP |
| PCB Type | Double Sided |
| Primary Side | – |
| Transient Filter | 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV |
| Inrush Protection | NTC Thermistor SCK-056 (5 Ohm) & Relay |
| Bridge Rectifier(s) |
2x HY GBJ2506 (600V, 25A @ 100°C)
|
| APFC MOSFETs |
2x Infineon IPA60R120P7 (600V, 16A @ 100°C, Rds(on): 0.12Ohm)
|
| APFC Boost Diode |
1x CREE C3D08060A (600V, 8A @ 150°C)
|
| Bulk Cap(s) |
1x Nippon Chemi-Con (450V, 680uF, 3,000h @ 105°C, KHS)
|
| Main Switchers |
2x Magnachip MMFT60R115PC (600V, 20.9A @ 100°C, Rds(on): 0.115Ohm)
|
| APFC Controller |
Infineon ICE2PCS02G
|
| Resonant Controller | Champion CM6901T2X |
| Topology |
Primary side: APFC, Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters |
| Secondary Side | – |
| 12V MOSFETs | 6x Infineon BSC014N04LSI (40V, 123A @ 100°C, Rds(on): 1.45mOhm) |
| 5V & 3.3V | DC-DC Converters: 6x NEC 2SK3062-ZJ (60V, 70A, Rds(on): 8.5mOhm) PWM Controller(s): ANPEC APW7159C |
| Filtering Capacitors | Electrolytic: 4x Nippon Chemi-Con (2-5,000h @ 105°C, KZE), 2x Rubycon (3-6,000h @ 105°C, YXG), 2x Rubycon (2-10,000h @ 105°C, YXF), 1x Rubycon (6-10,000h @ 105°C, ZLH), 1x TK (105°C) Polymer: 29x Nippon Chemi-Con, 1x NIC |
| Supervisor IC | World Trend WT7527RA (OCP, OVP, UVP, SCP,PG) |
| Fan Controller | APW9010 |
| Fan Model | Protechnic Electric MGA12012XF-O25 (120mm, 12V, 0.52A, Fluid Dynamic Bearing) |
| 5VSB Circuit | – |
| Rectifier | |
| Standby PWM Controller | 97CL2N13 |
- 1 - Introduction, technical data and test report
- 2 - Unboxing, cables and protection
- 3 - Teardown: topology, components, craftmanship
- 4 - Load Regulation, Ripple Suppression, Transient Resonse
- 5 - Hold-Up Time, Timings, Inrush-Current
- 6 - Average Efficiency and PF
- 7 - Noise and fans
- 8 - Summary and conclusion
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