ELogs/Electronics

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Revision as of 15:24, 28 July 2025 by SimonJolly (talk | contribs) (Created page with "Electronic Log for Electronics Development == Oxford == === Power supply board === * Power distribution board required for QuARC. * Provide power for Raspberry Pi and DDC boards from single DC input: ** 5V/5A for Raspberry Pi via USB-C ** >7.5V (5A?) for DDC board daisy chain via 2.5mm barrel * Single USB-C PD input: 20V/5A ** Needs USB-C PD voltage negotiation chip * Fallback option with 20V DC 2.5mm barrel jack input * LEDs to indicate each voltage is provided co...")
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Electronic Log for Electronics Development

Oxford

Power supply board

  • Power distribution board required for QuARC.
  • Provide power for Raspberry Pi and DDC boards from single DC input:
    • 5V/5A for Raspberry Pi via USB-C
    • >7.5V (5A?) for DDC board daisy chain via 2.5mm barrel
  • Single USB-C PD input: 20V/5A
    • Needs USB-C PD voltage negotiation chip
  • Fallback option with 20V DC 2.5mm barrel jack input
  • LEDs to indicate each voltage is provided correctly:
    • 20V input
    • 5V to Raspberry Pi
    • >7.5V to DDC boards
  • Should be able to switch off LEDs
  • Necessary to switch off

Imperial

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