HardLabs

Toolhead Board

chpaxson·lyra·Hardware/Electronics/Custom PCBs/Toolhead Board/Toolhead Board.kicad_pcb

Toolhead Board layout, top view — open source RP2040/RP2350 board by chpaxson

About the Toolhead Board

Toolhead Board is an open source RP2040/RP2350 PCB design by chpaxson, published on GitHub. It is a 4-layer board measuring 75 × 75 mm, with 146 components from 48 distinct parts.

Its main chip is the 2648-SC0914(13)CT-ND, from the RP2040/RP2350 family. Other key parts include the LD1085V50, LD1117AV33, W25Q128JVSIQ, MCP25625T-E/ML and TMC2209-LA. By type, the board carries 54 resistors, 53 capacitors, 13 ICs, 9 connectors, 3 transistors and 3 jumpers.

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

Main components on the Toolhead Board

LD1085V50LD1117AV332648-SC0914(13)CT-NDW25Q128JVSIQMCP25625T-E/MLTMC2209-LAB07SGPX7ZHBMI2703141-G20N06D52568-5305-1

Toolhead Board bill of materials (BOM)

146 components, 48 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LD1085V50
LF15_TO220
U1
1
LD1117AV33
LF15_TO220
U2
1
2648-SC0914(13)CT-ND
RP2040
U3
1
W25Q128JVSIQ
W25Q128JVS
U4
1
MCP25625T-E/ML
MCP25625-x-SS
U5
1
TMC2209-LA
U6
3
B07SGPX7ZH
HX711
U7, U8, U9
1
BMI270
U10
2
3141-G20N06D52
G20N06D52
U11, U12
1
568-5305-1
PCA9685BS
U13
3
MMBT4403LT1G
MMBT4403
Q1, Q2, Q3
1
ECS-2033-120-BN
12MHz/12pF/50Ω/20ppm
Y1
1
ECS-2033-160-BN
16MHz/12pF
Y2
1
DX07S016JA1R1500
USB C Receptacle
J1
2
PPTC042LFBN-RC
Conn_02x04_Odd_Even
J2, J6
3
PPTC082LFBN-RC
Conn_02x08_Odd_Even
J3, J4, J5
1
B2B-PH-K-S
Conn_01x02
J7
1
61300211121
Conn_01x02
J8
1
FIT0586
Conn_01x02
J9
1
PESD1CAN
PESD1CAN_215
CR1
Show 28 more
QtyPartRefs
2
SolderJumper_2_Open
JP1, JP3
1
SolderJumper_3_Bridged123
JP2
2
CG0603MLC-3.3LE
RV1, RV2
1
B3U-1000P
BOOT
SW1
1
B3U-1000P
RESET
SW2
1
QTLP650D4TR
LED
D1
3
MLZ2012A3R3WTD25
3.3uH
L1, L2, L3
1
GMC21X7R105K50NT
1u/100V
C1
5
CL10A105KA8NNNC
1u
C2, C3, C4, C5, C6
17
CL10B104KB8NNWC
100n
C7, C8, C9, C10, C11, C12, C13, C14 +9
4
KGM15ACG1C220KT
22p
C17, C18, C23, C24
2
CC0603KRNPO9BN470
47p
C21, C22
1
ECA-1HM101
100u
C27
1
0603B223K500CT
22n
C28
1
CL10A475KP8NNNC
4.7u
C30
6
CL21A106KAYNNNE
10uF
C32, C34, C38, C40, C44, C46
12
CL10B104KB8NNWC
0.1uF
C33, C35, C36, C37, C39, C41, C42, C43 +4
3
CL21A106KAYNNNE
10u
C51, C52, C53
12
RMCF2512JT330R
330
R1, R2, R3, R4, R5, R6, R7, R8 +4
15
1292-WR06X103JTL
10k
R13, R14, R15, R22, R23, R24, R29, R33 +7
2
RC0603FR-071KL
1k
R16, R17
2
RC0603FR-075K1L
5.1k
R18, R19
2
RMCF0603FT27R4
27.4
R20, R21
1
RMCF0603FT120R
120
R25
2
0R11
R26, R27
11
RC0603FR-07100RL
100
R28, R31, R32, R35, R36, R39, R40, R44 +3
3
RC0603JR-078K2L
8.2k
R30, R34, R38
4
RMCF0603FT2K20
2.2k
R41, R42, R53, R54

Toolhead Board design files

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

Toolhead Board: common questions

What microcontroller does the Toolhead Board use?

The Toolhead Board is built around the 2648-SC0914(13)CT-ND, from the RP2040/RP2350 family.

How big is the Toolhead Board?

The Toolhead Board measures 75 × 75 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the Toolhead Board?

146 components, from 48 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 Toolhead Board design files?

From the chpaxson/lyra 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 Toolhead Board design in my own project?

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

Can I test firmware for the Toolhead Board without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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