Standard 3U VPX Card Solutions for the Space Community

Features

• 3U Open VPX power supply
• 18V to 36V wide input voltage range
• Up to 600W total output power
• 4 software selectable output voltages centered around 3.3V, 5V, 12V, -12V via I2C or hardware strapping
• Compliant to VITA 62 upon power up
• PMBus monitoring and control
• Conduction cooled
• Input voltage reverse-polarity protection
• Remote voltage sense: VS1, VS2, VS3
• Undervoltage lockout
• Current limit protection / short circuit protection
• Size: 6.63 in (L) x 3.94 in (W) x 0.95 in (H)
• Operating / Storage Temps of 40 to 85 ºC / -55 to 125 ºC
• Up to 97% efficiency for combined loads of 50W or more

Target Applications

• LEO Satellites
• MEO Satellites

3U VPX Power Card

Voltage conversion function provides managed switching with conversion from the bus voltage to another voltage

• Bus voltage up to 120V
• Programmable output voltages
• Supports multiplexed input from redundant sources
• Programmable overload protection (up to 20A per converter)
• Programmable under / over voltage protection
• Telemetry reporting input voltage, output status, output voltage, output current, temperature
• PMBus® communication

3U VPX Power Switch Card

Intelligent power switch function allows managed switched services

• Bus voltage = service voltage (up to 120V)
• Individually programmable controlled output enables (8 per card, up to 10 cards per chassis)
• Supports multiplexed input from redundant sources
• Programmable overload protection (up to 20A
  per switch)
• Programmable under / over voltage protection
• Telemetry reporting input/output voltage,
  output status, output current, temperature
• PMBus® communication

3U VPX Controller Card

Translates spacecraft commands to individual
card, switch / converter instructions
and provides telemetry to the spacecraft

• PMBus® communication
• Controls up to 20 cards
• C&DH is supported with either a controller in the chassis or an external customer controller
• Internal Controller - Single fault tolerant
  controller for all functions inside the chassis
• External Controller - Interface to and under
  control of an external spacecraft controller

3U VPX Chassis

Provides a centralised power distribution function contained in a compact chassis

• Enclosed with centralised connectors
• Central input power with individual card output connectors
• 4 to 8 power slots
• 1 controller slot
• Quad 38999 connectors
• 1,500W maximum delivered power

Extended VPX Chassis

Provides a centralised power distribution function contained in a larger chassis

• Enclosed with centralised connectors
• Central input power with individual card output
• 10 to 20 power slots
• 1 controller slot
• Dual input 38999 connectors
• D-sub output connector on each card
• 3,500W maximum delivered power