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Beam Alignment Controller

MECSEM·electrical·LV-Misc/Beam Alignment Controller/Beam Alignment Controller.kicad_pcb

Beam Alignment Controller PCB layout, top view — open source RP2040/RP2350 board by MECSEM

About the Beam Alignment Controller PCB

Beam Alignment Controller is an open source RP2040/RP2350 PCB design by MECSEM, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 70 × 50 mm, with 81 components from 37 distinct parts.

Its main chip is the RP2350B, from the RP2040/RP2350 family. Other key parts include the OPA376xxDBV, TPS5430DDA and W25Q128JVS. By type, the board carries 38 capacitors, 19 resistors, 12 diodes, 5 ICs, 3 transistors and 2 switches.

It belongs with the power & battery designs in this gallery.

From the project

All the electrical designs for MECSEM.

KiCad sources for all the PCBs in the microscope.

This repository contains only the electrical design: schematics, PCB layouts, and KiCad symbol/footprint library.

A Linux Mint host PC inside the chassis (powered by the in-chassis PicoPSU) commands two central RP2350 controllers over USB:

HV Controller: the master optics-column controller. Drives source bias, lenses, deflectors, the scintillator detector, raster scan, and the PMT readout. Bridges the floating cathode side onto USB. LV Controller: the vacuum subsystem state machine: roughing pump, turbopump VFD (RS-485), isolation valve…

Main components on the Beam Alignment Controller

OPA376xxDBVTPS5430DDARP2350BW25Q128JVS

Beam Alignment Controller bill of materials (BOM)

81 components, 37 distinct parts.

QtyPartRefs
2
OPA376xxDBV
U2, U4
1
TPS5430DDA
U9
1
RP2350B
U10
1
W25Q128JVS
U12
3
2N7002
Changjiang Electronics Tech (CJ)
Q2, Q4, Q5
1
ASE-12.000MHz
Y1
1
USB4085-GF-A
J5
1
DFU
SW1
1
RESTART
SW2
2
H3V3HD3U
hongjiacheng
D1, D3
2
H3V3HD3B
hongjiacheng
D2, D4
1
Green
Hubei KENTO Elec
D5
1
SS54
D9
4
H3V3U10B
hongjiacheng
D10, D11, D12, D13
2
H5VS10BA
hongjiacheng
D14, D15
4
100pF
Samsung Electro-Mechanics
C1, C6, C8, C13
2
220nF
Samsung Electro-Mechanics
C2, C9
19
100nF
Samsung Electro-Mechanics
C3, C5, C10, C12, C37, C38, C39, C40 +11
2
10uF
Samsung Electro-Mechanics
C4, C11
2
10uF
C29, C30
Show 17 more
QtyPartRefs
3
10uF
Samsung Electro-Mechanics
C31, C32, C33
1
10nF
C34
1
22uF
C35
1
1uF
Samsung Electro-Mechanics
C50
2
10uF
Samsung Electro-Mechanics
C51, C53
1
2.2uF
Samsung Electro-Mechanics
C52
4
1kΩ
UNI-ROYAL(Uniroyal Elec)
R3, R10, R33, R34
2
10kΩ
UNI-ROYAL(Uniroyal Elec)
R4, R11
2
10kΩ
UNI-ROYAL(Uniroyal Elec)
R7, R14
1
150Ω
UNI-ROYAL(Uniroyal Elec)
R25
1
5.1k
R29
1
3k
R30
2
49.9Ω
UNI-ROYAL(Uniroyal Elec)
R31, R32
2
22Ω
UNI-ROYAL(Uniroyal Elec)
R35, R36
1
10Ω
UNI-ROYAL(Uniroyal Elec)
R37
1
120Ω
UNI-ROYAL(Uniroyal Elec)
R38
2
5.1kΩ
UNI-ROYAL(Uniroyal Elec)
R39, R40

Beam Alignment Controller design files

The KiCad project lives in the MECSEM/electrical repository on GitHub; these links point at the commit this page was built from.

Beam Alignment Controller: common questions

What microcontroller does the Beam Alignment Controller use?

The Beam Alignment Controller is built around the RP2350B, from the RP2040/RP2350 family.

How big is the Beam Alignment Controller PCB?

The Beam Alignment Controller measures 70 × 50 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the Beam Alignment Controller?

81 components, from 37 distinct parts. The full bill of materials is listed on this page.

Where can I download the Beam Alignment Controller design files?

From the MECSEM/electrical repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Beam Alignment Controller design in my own project?

Yes, under the terms of its GPL-3.0 license, which MECSEM chose for the repository.

Can I test firmware for the Beam Alignment Controller without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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