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2.2.4.4. Components

Custom boards (PCBs)

• Component versions by build/date.

• The FPGA design is open source and available on GitHub:

• The dRAC design is open source and available on GitHub: https://github.com/jhu-dvrk/drac

• The LED board design is open source and available on GitHub: https://github.com/jhu-dvrk/dvrk-si-front-panel-led

Power supplies

• All boxes contain a 12V (50W) logic power supply that provides power to the FPGA board and the safety chain.

• Each box also contains one motor power supply (48V, 300W) connected to the dRAC.

• Replacement power supplies:

  • 12V logic power supply: https://www.digikey.com/en/products/detail/mean-well-usa-inc/LRS-50-12/7705044

  • 48V motor power supply: https://www.digikey.co.nz/en/products/detail/cui-inc/VOF-300-48

Bill of materials and assembly

This information is stored in a separate GitHub repository: https://github.com/jhu-dvrk/dVRK-Si-Controller

There is also a test board designed for the dVRK Si controllers:

• PCB

• Test program