Spacecraft Energization and Power Interfacing Assembly (SEPIA™)

  • SEPIA Powers SC Upon Separation Detection From Launch Vehicle
  • Isolates Battery and Lazarus S/A Power From IAU Prior to Separation
  • Redundant Relay Isolation – Either Relay Capable of Powering the Spacecraft
  • Discrete Inputs Available for Powering IAU On / Off During Test
  • Power Application Delay Time Programmable

 

CONTACT OUR EXPERTS >

 

Performance Characteristics

  • Keeps Battery, Unswitched and Lazarus Solar Array Strings Disconnected from IAU Before Separation
  • Autonomously Connects Battery, Unswitched and Lazarus Solar Array Strings to IAU Upon Separation
  • Provides Battery Voltage Sense Inputs to IAU
  • Provides Battery Trickle Charge Path Without Powering IAU
  • Provides IAU 28V Input Without Connecting Battery for Test
  • Provides IAU and EGSE Battery Monitor Board Power
  • Saves Power by De-energizing Relay Coils Upon IAU Power Up
  • Provides 28V Bus Voltage Sense to EGSE
  • EGSE Verification of Relay Status
  • Independent IAU Current Telemetry to EGSE
  • Relays Resettable via EGSE Command Only

 

   
Size 6.18” x 3.43” x 2.16” 
Mass 0.8g
Power 3.00W wc