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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 4HP (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).

ItemDescriptionInputVS1 [+12V]VS2 [+3.3V]VS3 [+5V]Vaux1 [+12V]Vaux2 [-12V]Vaux3 [+3.3V]
VPX360DMA600W 3U VITA 62 VPX power supply Standard Version, 28V key, MIL-STD-461, -704,-1275 compliant, with standard acrylic conformal coating28V DC40A20A40A1A1A6A
VPX360EMA600W 3U VITA 62 VPX power supply Standard Version, 48V key, MIL-STD-461, -704,-1275 compliant, with standard acrylic conformal coating48V DC40A20A40A1A1A6A
VPX360DMS600W 3U VITA 62 SOSA aligned VPX power supply, 28V key, MIL-STD-461, -704, 1275, compliant, with standard acrylic conformal coating (coming soon)28V DC40A + 40A20A----

Technical Information

 

Technical Details (Rev0 / Preliminary, subject to change)

600W VITA62 VPX Power Supply

Form Factor3U VPX CC
Pitch5 HP / 1.0 inch
Weight0.8 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 Isolation1000 V
Input to Case Ground Isolation500 V
Output to Case Ground Isolation500 V
Case Ground to Safety Ground Resistance< 10 mΩ  (TBC)
Maximum Output Power600 W
Maximum Input Power~660W
Maximum Dissipated Power @ max. Power~60 W
Nominal Input Voltage28 V DC / 48V DC (different keys)
Minimum Turn ON Voltage11 V
Minimum Turn OFF Voltage8 V
Maximum Continuous/Peak Input Voltage70 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 Temperatures125 °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 / 5Vsee tables in "Ordering Information" for different power configurations
Fixed Switching Frequencies 12V / 3V3 / 5V520 kHz / 520 kHz / 520 kHz
Peak Efficiencies 12V / 3V3 / 5V93% / 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 / 5V60 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 Current1 A / 1 A / 6 A
Load Dependent Switching Frequency300 Hz ... 600 kHz
Efficiency60% ... 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 Complianceas per VITA 62 specification
MIL-STD-461F (EMI) ComplianceDesigned (to be tested) in compliance with sections CE102, CS101, CS114, CS115, CS116. See user manual for more details.
MIL-STD-704F ComplianceDesigned (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 ComplianceDesigned (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
CompatibilityVDE 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 interfaceI2C communication interface USB port (Micro B USB 2.0 connector)
Communication Features (as per FW revision 3.0.6843.0 and higher)
  • Remote On / Off
  • DC-IN status and measured voltage and current
  • Global status, Temperatures
  • Voltage, current and status of individual output power modules
  • Programmable Limits and trip conditions / actions
  • Optional Battle Short Mode (trip disabled)

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