HardLabs

Motordriver

Tomoshibi-technology·Tomoshibi_Circuit·MovingDisplay_Ver.1/motordriver/motordriver.kicad_pcb

Motordriver PCB layout, top view — open source STM32 board by Tomoshibi-technology

About the Motordriver PCB

Motordriver is an open source STM32 PCB design by Tomoshibi-technology, published on GitHub under the MIT license. It is a 2-layer board measuring 125 × 70 mm, with 131 components from 61 distinct parts.

Its main chip is the STM32F303K8Tx, from the STM32 family. Other key parts include the CH340E, 74LVC1G32, AZ1084CD-3.3, STM32F446RETX and NJU72501_MODULE. By type, the board carries 54 resistors, 23 capacitors, 16 transistors, 16 diodes, 8 ICs and 8 switches.

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

From the project

燈のプロダクト達を動かしている基板開発用リポジトリ

Main components on the Motordriver

CH340ESTM32F303K8Tx74LVC1G32AZ1084CD-3.3STM32F446RETXNJU72501_MODULEIR2302MAX3485

Motordriver bill of materials (BOM)

131 components, 61 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
CH340E
LF50_TO220
U1
1
STM32F303K8Tx
U2
1
74LVC1G32
AMS1117CD-3.3
U3
1
AZ1084CD-3.3
TLP785
U4
1
STM32F446RETX
TLP785
U5
1
NJU72501_MODULE
IR2302
U6
1
IR2302
U7
1
MAX3485
U8
1
Q_PMOS_GDS
Q1
1
SSM6J808R
Q_NMOS_GSD
Q2
1
C2844873
Q_PMOS_GDS
Q3
3
Q_PNP_BEC
Q4, Q7, Q16
1
C2844873
PMN48XP
Q5
1
SSM6J808R
PMN48XP
Q6
2
PMN48XP
Q8, Q15
2
Q_NMOS_GSD
Q9, Q10
4
FDMS8050
Q11, Q12, Q13, Q14
1
CONN_01X07_FEMALE
Conn_01x02_Female
J1
1
CONN_01X02_FEMALE
Conn_01x10_Female
J2
2
CONN_01X02_FEMALE
Conn_01x05_Female
J3, J5
Show 41 more
QtyPartRefs
1
CONN_01X02_FEMALE
Conn_01x02_Female
J4
1
JUMPER_2_OPEN
Jumper_2_Open
JP1
1
SW_DPDT_X2
SW_SPST
SW1
4
SW_SPDT
SW2, SW3, SW7, SW9
1
SW_DPDT_X2
SW_DIP_x04
SW5
1
SW_SPDT
SW6
1
SW_SPST
SW8
8
D
D1, D6, D11, D12, D13, D14, D15, D16
7
LED
D2, D3, D5, D7, D8, D9, D10
1
MA10EB045
D
D4
5
0.1UF
0.1uF
C1, C4, C18, C19, C22
2
0.1UF
4.7uF
C3, C16
1
0.1UF
470uF
C5
1
4.7UF
10uF
C6
2
4.7UF
0.1uF
C7, C24
1
1UF
1uF
C8
1
22UF
0.1uF
C9
1
10UF
0.1uF
C10
2
0.1UF
1uF
C11, C15
1
0.1UF
ADJ_ST
C12
1
1UF
470uF
C13
1
1uF
C14
1
1UF
4.7uF
C17
2
0.1UF
C
C20, C21
1
0.1uF
C23
14
10K
10k
R1, R2, R3, R8, R14, R22, R23, R32 +6
2
5.1K
10k
R5, R6
3
1k
R7, R25, R28
4
10K
R
R9, R10, R41, R42
8
10K
1k
R11, R12, R19, R29, R30, R31, R39, R40
9
10k
R13, R15, R16, R17, R18, R20, R21, R27 +1
1
100K
10k
R24
1
330
10k
R26
3
10K
510
R33, R34, R38
1
510
R37
3
R
R43, R44, R55
1
10K
7.5k
R50
1
10K
20k
R51
1
2.2k
R52
1
10K
2.2k
R53
1
10K
120
R54

Motordriver design files

The KiCad project lives in the Tomoshibi-technology/Tomoshibi_Circuit repository on GitHub; these links point at the commit this page was built from.

Motordriver: common questions

What microcontroller does the Motordriver use?

The Motordriver is built around the STM32F303K8Tx, from the STM32 family.

How big is the Motordriver PCB?

The Motordriver measures 125 × 70 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Motordriver?

131 components, from 61 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Motordriver design files?

From the Tomoshibi-technology/Tomoshibi_Circuit repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Motordriver design in my own project?

Yes, under the terms of its MIT license, which Tomoshibi-technology chose for the repository.

Can I test firmware for the Motordriver 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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