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specs.md

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Packages

Crystal

  • 3225

Resistors

  • Standard: 0603
  • Mid power: 0805
  • Shunts: 1210

Capacitors

  • 100n: 0603
  • 1u: 0603
  • >10u: 0805 (In order to distinguish them from the smaller ones)

Flash

  • SO8

USB

  • Either B or micro B

To research

  • RMII (Ethernet)
  • Search where to buy the RT6150B Buck Boost on the Rpi Pico

Modello non disponibile da nessuna parte. Esempi di alternative su farnell:

Farnell

Device In range Out range Out current URL
MPQ4313 3.3 - 45 3.3V, 5V fixed 3A datasheet
MAX2040x 3.0 - 36 0.8 - 10 4-8A datasheet
MAX20004/6/8 3.0 - 36 1 - 5 4/6/8A datasheet
MPQ9840 3.3 - 36 ? 3.5A datasheet

Peripherals

  • GPS

    • SAM8Q (SMD) or PAM7Q (THT)
    • Connect UART as predisposition
    • Extend pads for manual soldering
    • Supply control with pMOS and PDTC114YT. No direct drive to MOSFET, since there could be a current throught the internal protection diode of the GPIO
  • RGB LED

Power

  • USB 5V

  • 3.3V Battery

  • 24V input

  • MP2322 Buck concverter from supply to 3V3 (just as exercise, it does not support 24V)

  • JST 2.5 01x02 for battery

  • Screw connector for 24V (5,04)