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Brushless board

robotronik·electronique·Sous-Carte Asservissement brushless EC-45-flat/carte-asser-1A.kicad_pcb

Brushless board layout, top view — open source STM32 board by robotronik
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About the Brushless board

Brushless board is an open source STM32 PCB design by robotronik, published on GitHub. It is a 2-layer board measuring 60 × 62.5 mm, with 57 components from 34 distinct parts.

Its main chip is the stm32f042k6tx, from the STM32 family. Other key parts include the MCP1702, DEC24/2, MCP2562, USBLC6-2 and 5v input. By type, the board carries 14 capacitors, 14 resistors, 8 ICs, 7 connectors, 6 diodes and 2 transistors.

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

From the project

Les schémas des cartes électroniques utilisées dans nos robots

Main components on the Brushless board

MCP1702DEC24/2stm32f042k6txMCP2562USBLC6-25v input12v input

Brushless board bill of materials (BOM)

57 components, 34 distinct parts.

QtyPartRefs
1
MCP1702
U1
2
DEC24/2
U2, U3
1
stm32f042k6tx
U4
1
MCP2562
U5
1
USBLC6-2
U7
1
5v input
U8
1
12v input
U9
2
BC807
Q1, Q2
1
swdio
P1
1
CAN bus
P2
1
usb
P3
1
serial bus
P4
1
encoder 1
P7
1
encoder 2
P8
1
i2c bus
P9
2
FUSE/3A MF-R300
F1, F2
1
CAN termination
JP1
1
boot mode
JP2
2
Maxon-200142
K1, K2
2
Schottky/26V MBR0530T1G
D1, D2
Show 14 more
QtyPartRefs
2
LED
D3, D4
2
MBR0530T1G
D5, D6
1
100u/35v EEEHA1V101XP
C1
1
100u
C2
2
45nF/50v
C3, C4
5
100n
C5, C9, C12, C13, C16
1
4.7u
C6
1
10n
C10
3
1u
C11, C15, C18
6
10k
R1, R2, R7, R8, R12, R14
4
1k
R3, R4, R13, R15
1
120
R5
2
22
R9, R10
1
1.5k
R11

Brushless board design files

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

Brushless board: common questions

What microcontroller does the Brushless board use?

The Brushless board is built around the stm32f042k6tx, from the STM32 family.

How big is the Brushless board?

The Brushless board measures 60 × 62.5 mm, has 2 copper layers and is 1 mm thick.

How many components are on the Brushless board?

57 components, from 34 distinct parts. The full bill of materials is listed on this page.

Where can I download the Brushless board design files?

From the robotronik/electronique repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Brushless board design in my own project?

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

Can I test firmware for the Brushless board 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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