FSP 500W Medical ATX Power Supplies
MPE SERIES
Features
- Design complies with IEC 60601-1 & IEC 60950-1
- BF Class insulation
- Standard ATX size: 150 x 140 x 86 mm
- 90-264 VAC input with active PFC
- Operating temperature up to +50°C
Product Overview
This series of AC/DC switching power supplies features a standard ATX form factor (140 x 150 x 86 mm) and is capable of delivering 400 or 500 watts of continuous power. The PSU includes a DC/DC converter for the +3.3V and +5V output rails to enhance load regulation.
Image Description: A front view of the FSP MPE Series power supply unit, showing a black metal casing with a large cooling fan on the front panel and an AC power input connector.
Safety Standard Approval
The power supplies are certified by TÜV Rheinland, bearing the CE mark, and are UL Recognized Components (E178020). They comply with safety standards EN 60601-1 and IEC 60601-1, indicating suitability for medical applications.
Input Specifications
Input Voltage: 90-264 VAC
Input Frequency: 47-63 Hz
Input Current:
- FSP400-70MPE: 6 A (rms) @ 115Vac, 60Hz; 3 A (rms) @ 230Vac, 50Hz
- FSP500-70MPE: 8 A (rms) @ 115Vac, 60Hz; 4 A (rms) @ 230Vac, 50Hz
Earth Leakage Current: 300 μA max. @ 264 VAC, 63 Hz
Output Specifications
Output voltage/current and maximum output power are detailed in the rating chart.
Protection:
- OVP (Over Voltage Protection): +3.3V, +5V & +12V, Latch off
- OCP (Over Current Protection), Shorted: +3.3V, +5V & +12V, Latch off; +5Vsb, -12V, -5V, Auto-recovery
- OTP (Over Temperature Protection): Latch off
Ripple and noise specifications are available in the rating chart.
Output Voltage/Current Rating Chart
| Outputs | FSP400-70MPE | FSP500-70MPE | Load Regulation | Ripple & Noise | ||
|---|---|---|---|---|---|---|
| Mini. Load | Maxi. Load | Mini. Load | Maxi. Load | |||
| +3.3 V | 0.1 A | 32 A | 0.1 A | 32 A | ±5% | 50 mV P-P |
| +5 V | 0.1 A | 30 A | 0.2 A | 30 A | ±5% | 50 mV P-P |
| +12 V1 | 0.2 A | 18 A | 0.1 A | 18 A | ±5% | 120 mV P-P |
| +12 V2 | 0 A | 18 A | 0.3 A | 18 A | ±5% | 120 mV P-P |
| -5 V | 0 A | 0.2 A | 0 A | 0.2 A | ±5% | 100 mV P-P |
| -12 V | 0 A | 0.8 A | 0 A | 0.8 A | ±5% | 120 mV P-P |
| +5 Vsb | 0 A | 3 A | 0 A | 3 A | ±5% | 50 mV P-P |
| +3.3 V & +5 V Combine Output Power | 180W Maxi. | 180W Maxi. | ||||
| +12V Total Output Power | 32A Maxi. | 36A Maxi. | ||||
| Total Output Power | 400W | 500W | ||||
Environmental Specifications
- Operating Temperature: 0°C to +50°C
- Storage Temperature: -20°C to +80°C
- Relative Humidity: 10% to 95% non-condensing
- Derating: Derate from 100% at +50°C linearly to 50% at +70°C, applicable to forced-air cooling conditions.
General Specifications
- Power Factor: 0.9 minimum
- Efficiency: 78% minimum
- Hold-up Time: 20 mS minimum at 115VAC; 20 mS minimum at 230 VAC
- Line Regulation: ±1% maximum at full load
- Inrush Current: 40 A @ 115 VAC at 25°C cold start; 60 A @ 230 VAC at 25°C cold start
- Withstand Voltage: 4000 VAC from input to output (2 MOPP); 1500 VAC from input to ground (1 MOPP); 1500 VAC from output to ground
- MTBF: 100,000 hours at full load & 25°C ambient, calculated per MIL-HDBK-217
EMC Performance (IEC 60601-1-2)
- EN55011/ EN55022: Class B conducted, Class B radiated
- FCC/VCCI: Class B conducted, Class B radiated
- EN61000-3-2: Harmonic distortion, Class D
- EN61000-3-3: Line flicker
- EN61000-4-2: ESD, ±8 KV air and ±6 KV contact
- EN61000-4-3: Radiated immunity, 10 V/m
- EN61000-4-4: Fast transient/burst, ±2 KV
- EN61000-4-5: Surge, ±1 KV diff., ±2 KV com.
- EN61000-4-6: Conducted immunity, 10 Vrms
- EN61000-4-8: Magnetic field immunity, 30 A/m
- EN61000-4-11: Voltage dip immunity: 30% reduction for 500 ms, 60% reduction for 100 ms, >95% reduction for 10 ms
Interface Signals
Diagram Description: The diagram illustrates the power supply's interface signals, specifically the PS_ON (Power Supply On) signal and the P.G. (Power Good) signal. The signal level is described as "P.G. SENSE LEVEL 95%".
- PS_ON: This is a control signal that turns the power supply ON or OFF.
- P.G. (Power Good): Indicates that the output voltages are stable and within specified limits.
- Timing Parameters:
- T1: RISETIME < 20 Ms
- T2: POWER GOOD DELAY TIME 100 ~ 500 mS
- T3: POWER FAIL DELAY TIME > 1 mS
Mechanical Specifications
Diagram Description: The mechanical drawings show the physical dimensions of the power supply unit, including mounting hole locations and overall size (150 x 140 x 86 mm). They also illustrate the various output connectors and their cable lengths.
Weight: 1.9 Kg
| No. | Output connectors | Cable Length | Connector No. | Output connectors (equivalent) |
|---|---|---|---|---|
| P1 | Mother board 24 pin | 500 mm | 1 | MOLEX 39-01-2240 |
| P2 | CPU 8 pin | 500 mm | 2 | MOLEX 39-01-2080 |
| P3 | PCI-e 6+2 pin | 500 mm | 1 | WST P8-I42002K21B-B |
| PD,PE,PF,PG | SATA | 500+150 mm | 2 + 2 | MOLEX SD-67926-0011 + SD-67582-0011 |
| PA, PB, PC | PATA + Floppy con. | 500+150+150 mm | 1 + 1 +1 | AMP 1-480424-0 + AMP 171822-4 |
