HardLabs

Electrical

usernamegemaoa·Electrical·bldc-hardware/design/BLDC_4.kicad_pcb

Electrical PCB layout, top view — open source STM32 board by usernamegemaoa

About the Electrical PCB

Electrical is an open source STM32 PCB design by usernamegemaoa, published on GitHub. It is a 2-layer board measuring 38.5 × 65 mm, with 124 components from 55 distinct parts.

Its main chip is the STM32F40X_LQFP64, from the STM32 family. Other key parts include the TC2117, DRV8302 and SN65HVD232. By type, the board carries 49 resistors, 47 capacitors, 9 connectors, 6 transistors, 5 diodes and 4 ICs.

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

From the project

This the Hardware for my open source custom ESC. This is a forked repository from mrkindustries, who made many improvements to my original hardware design.

This the Hardware for my open source custom ESC. This is a forked repository from mrkindustries, who made many improvements to my original hardware design.

Here is a BOM on google drive that I try to keep up to date: https://docs.google.com/spreadsheet/ccc?key=0AnvZ-ouEB058dGpzaDl4MUxNM3NxZ1BzTWNZZ1RhRUE&usp=sharing

Have a look at this post for a tutorial on how to get started: http://vedder.se/2015/01/vesc-open-source-esc/

Main components on the Electrical

STM32F40X_LQFP64TC2117DRV8302SN65HVD232

Electrical bill of materials (BOM)

124 components, 55 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F40X_LQFP64
U1
1
TC2117
U2
1
DRV8302
U3
1
SN65HVD232
U401
6
IRFS7530
Q1, Q2, Q3, Q4, Q5, Q6
1
MINI-USB-SHIELD-32005-201
X1
1
8MHz 10ppm
X2
1
HALL/Encoder
P1
1
SWD
P2
1
PWR_COMM
P3
1
IN+
P4
1
IN-
P5
1
MOTOR1
P6
1
MOTOR2
P7
1
MOTOR3
P9
1
CANBUS
P101
1
P***
1PIN
1
GREEN
D1
1
RED
D2
1
LED
D3
Show 35 more
QtyPartRefs
1
DIODESCH
D4
1
TVS 5V
D5
1
22u
L1
8
10u,50V
C1, C8, C9, C39, C40, C43, C44, C49
4
100n
C2, C3, C27, C32
4
4n7
C4, C5, C6, C7
13
2.2u
C10, C11, C12, C13, C14, C16, C17, C20 +5
2
15p
C15, C38
2
2.2u
C18, C23
1
120p
C19
1
6.8n
C21
1
22n
C22
2
100u
C25, C33
1
15n
C26
3
220n
C28, C29, C30
2
2.2n
C34, C36
1
15u,100V
C37
1
15u, 100v
C51
1
2.2u
C401
1
NTC 10k
R1
8
10k
R2, R7, R8, R9, R10, R16, R20, R402
7
39k
R3, R23, R26, R30, R32, R36, R46
9
2k2
R4, R5, R11, R12, R13, R22, R24, R27 +1
1
0R
R6
1
330k
R15
1
18k
R17
1
3k3
R18
1
15k
R19
1
220k
R21
1
1M
R25
6
4R7
R28, R29, R34, R35, R42, R43
6
100R
R37, R38, R48, R49, R50, R51
2
SHUNT
R53, R54
2
22R
R103, R104
1
NI
R401

Electrical design files

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

Electrical: common questions

What microcontroller does the Electrical use?

The Electrical is built around the STM32F40X_LQFP64, from the STM32 family.

How big is the Electrical PCB?

The Electrical measures 38.5 × 65 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Electrical?

124 components, from 55 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 Electrical design files?

From the usernamegemaoa/Electrical repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Electrical design in my own project?

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

Can I test firmware for the Electrical 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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