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TMC262 Stepper Driver

MOAalpha·2425_Projet1AB_SIMU4DX·Hardware/TMC262_Stepper_Driver/TMC262_Stepper_Driver.kicad_pcb

TMC262 Stepper Driver PCB layout, top view — open source STM32 board by MOAalpha

About the TMC262 Stepper Driver PCB

TMC262 Stepper Driver is an open source STM32 PCB design by MOAalpha, published on GitHub. It is a 4-layer board measuring 50 × 50 mm, with 92 components from 41 distinct parts.

Its main chip is the STM32G431CBU6, from the STM32 family. Other key parts include the AZ1117CH-3.3TRG1, WE 171013801, TMC262C-LA and USBLC6-2SC6. By type, the board carries 30 capacitors, 30 resistors, 12 diodes, 6 connectors, 5 ICs and 5 switches.

It belongs with the robotics & motion designs in this gallery.

From the project

A super nice projet

L'objectif de ce projet est de reconstituer un simulateur de voiture permettant de ressentir les vraies sensations de conduite, avec un frein à retour de force et 4 pieds movibles.

On s'inspire du projet : https://github.com/ChrGri/DIY-Sim-Racing-FFB-Pedal

La base ayant déjà été faite, on souhaite modifier le châssis et les pédales de frein afin d'augmenter la sensation de conduire une véritable voiture.

TMC262 Stepper Driver, from the project README
From the project README

Main components on the TMC262 Stepper Driver

AZ1117CH-3.3TRG1WE 171013801STM32G431CBU6TMC262C-LAUSBLC6-2SC6

TMC262 Stepper Driver bill of materials (BOM)

92 components, 41 distinct parts.

QtyPartRefs
1
AZ1117CH-3.3TRG1
AZ1117-3.3
U1
1
WE 171013801
~
U2
1
STM32G431CBU6
STM32G431CBUx
U3
1
TMC262C-LA
TMC262
U4
1
USBLC6-2SC6
U5
4
SQJ504EP-T1_GE3
SQJ504EP
Q1, Q2, Q3, Q4
1
Conn_01x04
J1
1
~
J2
1
629722000214
J3
1
Conn_01x02
J4
1
Conn_01x04
J5
1
Conn_01x05
J6
5
KSS221GLFS
SW_Push
SW1, SW2, SW3, SW4, SW5
2
WS2812B
D1, D2
3
FSV340AF
D4, D11, D12
7
150060RS55040
LED
D5, D6, D7, D8, D9, D10, D13
9
100n
C1, C2, C3, C4, C5, C15, C16, C23 +1
1
4u7
C6
2
885012209048
4u7
C7, C8
3
WE 885012205050
10n
C9, C10, C18
Show 21 more
QtyPartRefs
1
885 012 107 006
47u
C11
2
885 012 106 006
10u
C12, C21
1
885 012 107 011
22u
C13
2
1u
C14, C31
1
WE 885012205050
100n
C19
3
470n
C20, C27, C29
1
220n
C22
3
885 012 208 069
10u
C25, C26, C28
1
865060657012
C_Polarized_Small
C30
8
10k
R1, R2, R3, R4, R9, R10, R11, R25
1
402k
R5
1
80k6
R6
1
5k6
R7
1
330
R8
1
12k
R12
4
2k5
R13, R14, R15, R16
2
1k5
R17, R26
2
10
R18, R27
6
561 070 332 057
180m
R19, R20, R21, R28, R29, R30
1
1k
R22
2
5k1
R23, R24

TMC262 Stepper Driver design files

The KiCad project lives in the MOAalpha/2425_Projet1AB_SIMU4DX repository on GitHub; these links point at the commit this page was built from.

TMC262 Stepper Driver: common questions

What microcontroller does the TMC262 Stepper Driver use?

The TMC262 Stepper Driver is built around the STM32G431CBU6, from the STM32 family.

How big is the TMC262 Stepper Driver PCB?

The TMC262 Stepper Driver measures 50 × 50 mm, has 4 copper layers and is 1.564 mm thick.

How many components are on the TMC262 Stepper Driver?

92 components, from 41 distinct parts. The full bill of materials is listed on this page.

Where can I download the TMC262 Stepper Driver design files?

From the MOAalpha/2425_Projet1AB_SIMU4DX repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the TMC262 Stepper Driver design in my own project?

The repository has no license, so all rights stay with MOAalpha. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the TMC262 Stepper Driver without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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