Alén Space introduces DARA OBC: its low-power, high-performance On-Board Computer

November 14, 2024

Alén Space is expanding its product range with the launch of DARA OBC, a low-power, high-performance onboard computer (OBC) designed for nanosatellites and microsatellites in low Earth orbit (LEO).

Compactly built in a PC104 form factor, DARA OBC is a flight-proven product (TRL9) with a design that makes it adaptable to any mission, providing extensive connectivity for subsystems and payloads.

DARA OBC enables software customization through its Software Development Kit (SDK) based on FreeRTOS, including drivers and CubeSat Space Protocol (CSP) support, allowing tailored solutions for each mission.

Key features of DARA OBC include:

  • ARM Cortex M7 processor up to 280 MHz and 280 mW typical power consumption.
  • Memory: 2 MB flash for programs, 1.4 MB internal RAM, 32 MB SDRAM, 512 KB SEU- and SEL-resistant MRAM, and up to 128 GB on microSD.
  • Interfaces: 3xRS422, UART, 2xCAN, 2xI2C, and 15xGPIO.
  • GNSS options: internal GNSS support for GPS, Galileo, GLONASS, and Beidou or external GNSS via PPS signal.
  • 3-axis IMU: magnetometer, gyroscope, and accelerometer.
  • Cryptographic capabilities: AES and HMAC.
  • Operational range: from -40ºC to +85ºC, suited for space environments.

Additionally, our new OBC includes temperature and current sensors, a real-time clock (RTC) with external power for time retention during power-offs, and a switchable power supply to minimize consumption, making it a highly reliable and versatile choice.

With unmatched versatility, seamless connectivity, and robust storage, DARA OBC is a flight-proven OBC solution suited for a range of small satellite missions.

In Alén Space’s onboard computer portfolio, DARA OBC joins TRISKEL, the company’s all-in-one module that combines OBC, UHF TTC, and software, strengthening Alén Space’s offerings for small satellite missions.

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