Backplane Common Components

Owned by Ben Hyman (RIT Student)
Last updated: Oct 02, 2022 by Jim Heaney (RIT Student)

This page is for noting all of the common components that all (most) of the modules will have.

Microcontroller: STM32F446RE

Communication: Wiznet W5500

SPI Flash: W25Q128JVSIQ

USB Interface:

  • USB-UART Bridge
    • CP2102N (QFN-28 Variant)
    • LCSC Part Number: C964632
  • USB-C Connector
    • LCSC Part Number: C167321
  • Power Delivery Resistor
    • 5.1k +/- 1%
    • LCSC Part Number: C27834
  • TVS Diode Array
    • LCSC Part Number: C85364
    • 15kv, 8kv air and contact discharge
    • ESD 24A @ 8/20us
    • EFT 40A @ 5/50ns 
    • Capacitance: 3.5pF
  • Polyfuse
    • 3A 16V: C883162
    • 1A 24V: C910830

LEDs:

  • 0805 Orange
    • LCSC Part Number: C2297
    • Vf: 2.9v
    • If (continuous): 20mA
    • If (peak, <10% duty cycle, <1ms): 100mA
  • 0805 Red
    • LCSC Part Number: C84256
    • Vf: 1.6-2.6v (2.0 typical)
    • If (continuous): 25mA
    • If (peak, <10% duty cycle, <1ms): 50mA
  • 0603 Yellow
    • LCSC Part Number: C72038
    • Vf: 1.7-2.3v
    • If (continuous): 25mA
    • If (peak, <10% duty cycle, <1ms): 60mA
  • 0603 Blue
    • LCSC Part Number: C72041
    • Vf: 2.5-3.1v
    • If (continuous): 25mA
    • If (peak, <1% duty cycle, <1ms): 100mA
  • 0603 Green
    • LCSC Part Number C72043
    • Vf: 2.7-3.7v (3.3 typical)
    • If (continuous): 25mA
    • If (peak, <1% duty cycle, <1ms): 100mA