HardLabs

StepperMotorController

efebasol·StepperMotorController·hardware/power/smc_power.kicad_pcb

StepperMotorController PCB layout, top view — open source board by efebasol

About the StepperMotorController PCB

StepperMotorController is an open source PCB design by efebasol, published on GitHub. It is a 2-layer board measuring 162.8 × 117.8 mm, with 85 components from 70 distinct parts.

Other key parts include the LM393DR2GH, TPS54360DDA, AP2112K-3.3, TL431D and MCP1416. By type, the board carries 29 resistors, 28 capacitors, 11 diodes, 8 ICs, 5 connectors and 2 inductors.

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

From the project

Rev A — single-motor bench prototype power board. Feeds the driver board (48 V), the stepper motor brake (24 V) and the logic (5 V / 3V3).

Rev A — single-motor bench prototype power board. Feeds the driver board (48 V), the stepper motor brake (24 V) and the logic (5 V / 3V3).

Design calculations: docs/power-design-notes.md

Board-to-board by cables (no stacking / backplane).

Main-board side: 1 kΩ series resistor at the MCU ADC pin for VBUS_SENSE; one pull-up for FLT# (open-drain, active-low).

48 V, 24 V and SW nodes are routed on the 2 oz outer layers only (inner 1 oz layers can't carry or dissipate that current). Vias between L1 and L4 are fine — current flows in the plated barrel.

Main components on the StepperMotorController

LM393DR2GHTPS54360DDAAP2112K-3.3TL431DMCP1416TL431B_C54830630L78L12_SOT89

StepperMotorController bill of materials (BOM)

85 components, 70 distinct parts.

QtyPartRefs
1
LM393DR2GH
IC1
2
TPS54360DDA
U1, U3
1
AP2112K-3.3
U2
1
TL431D
Texas Instruments
U4
1
MCP1416
U5
1
TL431B_C54830630
hongjiacheng
U6
1
L78L12_SOT89
U7
1
AOD4126
P40B10SL
Q1
1
Screw_Terminal_01x02
J1
1
48V Input
J2
1
48V Output
J3
1
24V Brake Output
J4
1
Logic Output
J5
1
100V 10A
F1
1
100V 3A <= 850mV
D1
1
100V 5A
D2
1
MBR10100
D3
1
SMBJ51A
D4
1
SS510
hongjiacheng
D5
1
+48V
D6
Show 50 more
QtyPartRefs
1
+VM
D7
1
+24V
D8
1
+12V
D9
1
+5V
D10
1
+3V3
D11
1
68uH
L1
1
22uH
L2
2
100nF, 25V
C1, C12
6
2.2uF, 100V
C2, C3, C4, C13, C14, C15
2
1uF
C5, C6
1
68uF, 50V
C7
2
10uF, 50V
C8, C9
1
24pF, 25V
C10
1
5.1nF, 25V
C11
2
22µF 25V X7R 1210
C16, C27
1
220pF, 25V
C17
1
27nF, 25V
C18
1
100nF 100V
C19
2
470uF 100V
C20, C21
1
0.33uF
C22
1
0.1uF
C23
1
4.7uF
C24
1
100nF 25V
C25
1
1uF 25V
C26
1
100nF
YAGEO
C28
2
523kR
R1, R7
1
348kR
R2
2
267kR
R3, R9
1
36.5kR
R4
2
18.7kR
R5, R11
1
12kR
R6
1
60.4kR
R8
1
4.22kR
R10
1
11.5kR
R12
1
97.6kR
R13
1
243kR
R14
1
10kR
R15
1
RX24, 50W, 33Ω
R16
1
4.75kR
R17
1
10R
R18
1
1kR
R19
1
10k
R20
1
NTC_5_20
Nanjing Shiheng Elec
R21
1
100kΩ
UNI-ROYAL(Uniroyal Elec)
R22
1
3.9kΩ
UNI-ROYAL(Uniroyal Elec)
R23
2
33kΩ
UNI-ROYAL(Uniroyal Elec)
R24, R25
1
15kΩ
UNI-ROYAL(Uniroyal Elec)
R26
1
6.8kΩ
UNI-ROYAL(Uniroyal Elec)
R27
1
2kΩ
UNI-ROYAL(Uniroyal Elec)
R28
1
820Ω
UNI-ROYAL(Uniroyal Elec)
R29

StepperMotorController design files

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

StepperMotorController: common questions

How big is the StepperMotorController PCB?

The StepperMotorController measures 162.8 × 117.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the StepperMotorController?

85 components, from 70 distinct parts. The full bill of materials is listed on this page.

Where can I download the StepperMotorController design files?

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

Can I use the StepperMotorController design in my own project?

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

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