Onboard Computer

Onboard Computer

Vendor: SAGAMI Electronics Industry Ltd.
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Sagami OBC circuit board designed for integration in a 1U CubeSat. Includes separate H8 microcomputers for main operation and communications and a PIC microcomputer for communications, allowing for control of other boards through the back plane. The circuit design is based on flight heritage hardware on Horyu-2 (2014).
  • ・ Circuit design based on flight heritage hardware on Horyu-2 (2014)


    ・ Reduced board-to-board wiring


    ・ Efficient power operation using MPPT modules


    ・ Reset function to recover from on-orbit failure of the microcomputer


  • Power Supply Voltage:
    2.1 V to 5.0 V
    Operating Temperature:
    –20°C to +75°C
    Storage Remperature:
    –55°C to +125°C
    Current Consumption (opetating state):
    nominal 80 mA

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