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Teardown & Component Analysis
Before proceeding with this page we strongly encourage you to a look at our PSUs 101 article, which provides valuable information about PSUs and their operation, allowing you to better understand the components we're about to discuss.
| General Data | |
|---|---|
| Manufacturer (OEM) | High Power |
| Platform Model | - |
| Primary Side | |
| Transient Filter | 4x Y caps, 2x X caps, 3x CM chokes, 1x MOV, 1x CMD02X |
| Inrush Protection | NTC thermistor & diode |
| Bridge Rectifier(s) | 2x GBU1506L (600V, 15A @ 100°C) |
| APFC MOSFETs | 2x Toshiba TK16A60W (600V, 15.8A @ 150°C, 0.19Ω) |
| APFC Boost Diode | 1x Power Integrations D0665C5 (600V, 8A @ 150°C) |
| Hold-up Cap(s) | 1x Rubycon (420V, 470uF, 3000h @ 85°C, USH) |
| Main Switchers | 2x Toshiba TK16A60W (600V, 15.8A @ 150°C, 0.19Ω) |
| High-side/Low-Side Driver | Silicon Labs Si8233BD |
| APFC Controller | Infineon ICE3PCS01G |
| Resonant Controller | Champion CM6901X |
| Topology | Primary side: Half-bridge & LLC resonant controller Secondary side: Synchronous rectification & DC-DC converters |
| Secondary Side | |
| +12V MOSFETs | 6x Toshiba TPHR85 04PL (SOP Advance Series, 40V, 150A @ 25C, 0.85mΩ) |
| 5V & 3.3V | DC-DC Converters: 6x Infineon BSC0906NS (30V, 40A @ 100°C, 4.5mΩ) PWM Controller: APW7159C |
| Filtering Capacitors | Electrolytics: Nippon Chemi-Con (1-5000 @ 105°C, KZE), Nippon Chemi-Con (4-10,000 @ 105°C, KY) Polymers: Nippon Chemi-Con |
| Supervisor IC | SITI PS224 (OVP, UVP, OCP,SCP, PG) |
| Micro Controller | STC 15W408AS |
| Fan Model | Globe Fan S0921512HB (92mm, 12V, 0.45A, fluid dynamic bearing) |
| 5VSB Circuit | |
| Rectifier | 1x P10V45 SBR (45V, 10A) |
| Standby PWM Controller | Sanken STR-A6069H |
| -12V Circuit | |
| Rectifier | KEC KIA7912PI (-12V, 1A) |
The SX650-G is manufactured by High Power, and it employs a similar platform as the one found in SilverStone's SX500-G. We find a half-bridge topology and an LLC resonant converter on the primary side. On the secondary side, six FETs regulate the +12V rail and a couple of DC-DC converters generate the minor rails.
Beyond the typical circuitry we expect to find in a PSU, there's also an 8-bit micro-controller (STC 15W408AS) that's probably utilized by the fan control circuit. Or, it may assist the PSU's supervisor IC.
The cooling fan SilverStone uses is more capable than the one in its SX500-G, since the higher-capacity model gets hotter. A fluid dynamic bearing is common in enthusiast-oriented PSUs nowadays.
The album above includes photos illustrating the SX650-G's major parts, while the following video shows the SX650-G’s internals.
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