MPIP Power Switch Module (PSM)

Supported Interfaces Type(s)
Purpose
Direction
Heater Latching Current Limiter
Provides a protected voltage to dump resistor to heat the UUT
Output
  • Interface Type Support:
    Up to 12 x Heater Outputs (protected by one LCL)
    1 x DB25S connector
  • Specifications:
    Bus Voltages: 28V, 50V and 100V
    Current Classes: 0.5A to 10A
    Trip Current: 1.25 × Class
    Trip current accuracy: ±5% of trip current
    Programmable Trip-off Time: 0.5ms to 2ms
    Trip-off Time Accuracy: ±0.3ms
    Output current change (dI/dt): ≤ 1A/μs
  • Configurable UVP/OVP Levels
  • Current Readback at board level
  • Voltage Readback per output
  • All LCL parameters are in-field re-configurable
  • Compliant with ECSS-E-ST-20-20C
  • FMEA Report available
MPIP Power Switch Module (PSM) Celestia STS C-STS