VPX360 – High Power VITA 62 VPX Power Supply
WIENER VPX power supplies are commercial off-the-shelf (COTS), conduction cooled, single stage converters according to the ANSI/VITA 62.0 specification. They can be used to power a VPX chassis and will fit into the standard envelope defined by VITA 46.0 specifications.
W-IE-NE-R next generation switching power technology provides higher output power and currents at a reduced physical space by keeping a high overall efficiency. The new input filter section combined with a primary booster and isolation stage allows a wide input voltage range covering both 28V DC and 48V DC platforms.
The new VPX360 series is designed in compliance with MIL-STD-461, 704 and 1275 as per VITA 62. An embedded microprocessor allows monitoring and control via I2C bus (IPMI) and USB.
The VPX power supply mechanical dimensions are 3U x 5HP (1” slot). It is outfitted with connectors, keying and alignment mechanism as per VITA 62.
Features
VPX360 Power Supply Features
- Rugged, conduction cooled VPX power supply, 3U size x 1” pitch
- Compliant to VITA 62 specification
- Next Generation power conversion technology, 600W output power with high efficiency
- Dual / wide input voltage range: 12 V DC … 70 V DC (nominal 28V and 48V )
- Reverse polarity and over voltage input protection,
- Voltage sense controlled, Over Voltage, Under Voltage, Over Current, Over Temperature protection
- Microprocessor controlled, with I2C bus communication for monitoring (status, input and 6 output voltages and currents, temperatures), micro-USB connector for communication and firmware updates, IPMI as per VITA 46.11
- No liquid / wet / aluminum electrolytic capacitors
- MIL-STD-461, MIL-STD-704, MIL-STD-1275 compliance (to be tested as per VITA 62, par. 3.2.1)
- Ruggedized to MILSTD810, with standard conformal coating (other on request)
- Dimensions: 100.0 mm x 168.5 mm x 19.56 mm (3.94 inch x 6.63 inch x 0.97 inch)
Ordering Information
Standard configurations (others possible by request).
| Item | Description | Input | VS1 [+12V] | VS2 [+3.3V] | VS3 [+5V] | Vaux1 [+12V] | Vaux2 [-12V] | Vaux3 [+3.3V] |
|---|---|---|---|---|---|---|---|---|
| VPX360DMA | 600W 3U VITA 62 VPX power supply Standard Version, 28V key, MIL-STD-461, -704,-1275 compliant, with standard acrylic conformal coating | 28V DC | 40A | 20A | 40A | 1A | 1A | 6A |
| VPX360EMA | 600W 3U VITA 62 VPX power supply Standard Version, 48V key, MIL-STD-461, -704,-1275 compliant, with standard acrylic conformal coating | 48V DC | 40A | 20A | 40A | 1A | 1A | 6A |
| VPX360DMS | 600W 3U VITA 62 SOSA aligned VPX power supply, 28V key, MIL-STD-461, -704, 1275, compliant, with standard acrylic conformal coating (coming soon) | 28V DC | 40A + 40A | 20A | - | - | - | - |
Technical Information
Technical Details (Rev0 / Preliminary, subject to change) | 600W VITA62 VPX Power Supply |
|---|---|
| Form Factor | 3U VPX CC |
| Pitch | 5 HP / 1.0 inch |
| Weight | 0.8 kg / 1.8 lbs |
| Operating Temperature (at wedge lock) | -40 °C to 85 °C [derating to be checked for 60 °C to 85 °C operation] |
| Storage Temperature | -55 °C to 105 °C |
| Input to Output Isolation | 1000 V |
| Input to Case Ground Isolation | 500 V |
| Output to Case Ground Isolation | 500 V |
| Case Ground to Safety Ground Resistance | < 10 mΩ (TBC) |
| Maximum Output Power | 600 W |
| Maximum Input Power | ~660W |
| Maximum Dissipated Power @ max. Power | ~60 W |
| Nominal Input Voltage | 28 V DC / 48V DC (different keys) |
| Minimum Turn ON Voltage | 11 V |
| Minimum Turn OFF Voltage | 8 V |
| Maximum Continuous/Peak Input Voltage | 70 V / ± 250 V (<1 ms spike) |
| Input Overvoltage Protection: | Outputs disable if input voltage exceeds 70 VDC for > 600 ms (10 second auto-restart) |
| Maximum Internal Working Temperatures | 125 °C |
| Temperature Protection Sensing Point (internal) | 125 °C (Outputs disable when internal PCB temperature exceeds threshold) |
| Main Power VS1 / VS2 / VS3 | |
| Maximum Currents 12V / 3V3 / 5V | see tables in "Ordering Information" for different power configurations |
| Fixed Switching Frequencies 12V / 3V3 / 5V | 520 kHz / 520 kHz / 520 kHz |
| Peak Efficiencies 12V / 3V3 / 5V | 93% / 82% / 90% |
| Max. Output Ripple and Noise: 12V / 3V3 / 5V | < 120 mVpp / < 50 mVpp / < 50 mVpp (worst case) |
| (0-20 MHz Bandwidth) | < 30 mVpp / < 25 mVpp / < 25 mVpp (typcial) |
| Line Regulation: 12V / 3V3 / 5V. | < 10 mV / 10 mV / 50 mV |
| Vin=Vin,min to Vin,max, Io and Tc fixed | < 0.1% |
| Load Regulation: 12V / 3V3 / 5V | 60 mV / 50 mV / 10 mV |
| Overvoltage Protection +/-12V / 3V3 / 5V: Maximum Output Voltage (Sense Lines Open) | 12.1 V / 3.4 V / 5.2 V |
| Load Transient Recovery Time (no load to full load change condition) | < 1 ms |
| Auxiliary Power Vaux-12V / Vaux+12V, Vaux+3.3V | |
| Maximum Current | 1 A / 1 A / 6 A |
| Load Dependent Switching Frequency | 300 Hz ... 600 kHz |
| Efficiency | 60% ... 80% |
| Max. Output Ripple and Noise (0-20 MHz Bandwidth) | < 120 mVpp / < 50 mVpp / < 50 mVpp |
| Load Transient Recovery Time (no load to full load change condition) | 1 ms |
| MIL Standard Compliance | as per VITA 62 specification |
|---|---|
| MIL-STD-461F (EMI) Compliance | Designed (to be tested) in compliance with sections CE102, CS101, CS114, CS115, CS116. See user manual for more details. |
| MIL-STD-704F Compliance | Designed (to be tested) in compliance for normal transients (LDC105), abnormal transients (LDC302) and distortion spectrum (LDC103). External hold-up circuit optional. See user manual for more details. |
| MIL-STD-1275D Compliance | Designed (to be tested) in compliance for MIL-STD-1275D 5.3.2.2 Exported Voltage Spikes, MIL-STD-1275D 5.3.2.3 Imported Voltage Spikes (Normal Mode & Generator Mode), MIL-STD-1275D 5.3.2.4 Imported Voltage Surges (Normal Mode & Generator Mode) and MIL-STD-1275D 5.3.2.5 Imported Ripple Voltage. See user manual for more details. |
| Compatibility / Environmental | |
|---|---|
| Compatibility | VDE 0805, IEC 950 |
| Designed to meet MIL-STD-810G (Environmental) | With standard acrylic conformal coating to withstand sand, dust and salt atmosphere. |
| Communication / Firmware Features | |
|---|---|
| Communication interface | I2C communication interface USB port (Micro B USB 2.0 connector) |
| Communication Features (as per FW revision 3.0.6843.0 and higher) |
|
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