A Combined Data and Power Management Infrastructure by Jens Eickhoff

Author:Jens Eickhoff
Language: eng
Format: epub
Publisher: Springer Berlin Heidelberg, Berlin, Heidelberg

As the Power-Board in this design meets the steady state requirements given by the manufacturers of all three OBC data handling board types, an Engineering Model was built. Diverse tests combining this OBC Power-Board EM with the other OBC board types have been run as explained in the subsequent sections.

5.2.2 Start-Up Characterization of OBC Power Consumers

The previous section covered the proper Power-Board design concerning steady operation power consumption. Another important aspect is the behavior versus consumer inrush current characteristics. Therefore, tests were performed to characterize supply voltage behavior of Power-Board on the lines of the different types of OBC data handling boards within the first couple of milliseconds after the power-up of the OBC Processor, I/O and CCSDS-Board.

Expected was a voltage peak when applying the power due to the capacitances on the OBC data handling boards and, eitherafter the peak, the steady state will be reached directly, or

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