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Diamond Point International

Dawn PSC-6629 - 3U OpenVPX VITA 62 Compliant 400W PSU

Conduction or Air Cooled, -40 to +85°C Operating Range

Dawn PSC-6629 - 3U OpenVPX VITA 62 400W PSU
Key Features
VITA 62 Compliant 3U PSU
Up to 400 Watts power output
Air cooled or conduction cooled versions
Input Voltage: 18-36VDC, 36-75VDC
Current/Load share compatible
1500V isolation voltage
-40 to +85°C with qualified components


3U 400 Watt 6-Channel Plug-in or Bulkhead Mounted Power Supply for Air or Conduction Cooled OpenVPX Systems. Designed for mission critical applications. P47 power connector pinout mapped to PICMG 2.11 cPCI. Dawn’s embedded RuSH technology provides intelligence for precision monitoring and control. Many non-standard features are available through custom firmware.

  • 3U Air or Conduction cooled models available on 1? pitch
  • Primary or Secondary side Wedge Lock order option
  • 6-Channel design provides full OpenVPX support
  • 400 Watts output power over a wide temperature range
  • Embedded RuSH Technology actively monitors Temperature plus Voltage and Current on each rail
  • Factory programmable power sequencing and shutdown control for each voltage rail
  • Over Voltage, Over Current, and Over Temperature protection
  • Current share compatible with additional PSC-6629 units
  • I2C interface for Status & Control
  • Standard INH# and EN# power control signals
  • VBAT for support of VPX memory backup power bus
  • Front I/O panel includes LED status indicator, USB port for firmware upgrade and VBAT battery access
  • Inject/Eject levers for easy installation
  • Optional 3-axis accelerometer and real time clock records and time stamps shock events
  • Optional Humidity Sensor
  • Optional Data Logging of extraordinary events such as over temperature, over current, over voltage


Power Supply

InputInput Voltage: 28V nominal (18-36VDC) or 48V nominal (36-75VDC), version dependent
Output(s)Voltage Rails: +12V (VS1), +3.3V (VS2), +5V (VS3), +12V_AUX, -12V_AUX, 3.3V_AUX, VBAT (+3.0V typical)

Max Output Current (Amps) for each channel:
• 12V(VS1): 16.7A
• 3.3V(VS2): 30A
• 5V(VS3): 40A
• 3.3V_AUX: 4A
• +12V_AUX: 4A
• -12V_AUX: 3A
Power supply output dependant on chassis cooling capability

Wattage Max +5V rail: 200W@ 28 or 48 V input
Wattage Max +12V rail: 200W@ 28 or 48 V input
Total Maximum Power: 400W@ 28 or 48 V input
Ripple: <45mVp-p on +3.3V and +5V, <2mVp-p on +12V and -12V
IsolationIsolation Voltage: Input to Output (1500V)
OtherCard Guide style and Mounting: Wedge Locks
Connector: 3U PICMG 2.11 Type 47 pin power connector
Inject & Eject: VITA 48.2 compliant inject and eject features
Covers: ESD protected inputs and robust covers on both sides of the board, accommodate military two-level maintenance


ElectricalSee above
MechanicalStandard 1” Conduction cooled form factor
Conformal CoatingOrdering option
TemperatureTemperature range (operation): -40 to +85°C (at the Wedge lock edge)
Temperature range (storage): -40 to +100°C
Weight1.65 Lbs/ 0.7478 Kg
Warranty1 Year

Ordering Details

PSC-6629 3U 400W Air/Conduction Cooled OpenVPX PSU

Where WXYZ are ordering suffixes - refer to datasheet for further details.