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Moco-RD321

ziteh·moco·hardware/moco-rd321/moco-rd321.kicad_pcb

Moco-RD321 PCB layout, top view — open source board by ziteh
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About the Moco-RD321 PCB

Moco-RD321 is an open source PCB design by ziteh, published on GitHub under the CERN-OHL-P-2.0 license. It is a 4-layer board measuring 32 × 32 mm, with 81 components from 69 distinct parts.

Other key parts include the XC6220B331MR and DRV8301. By type, the board carries 33 resistors, 29 capacitors, 8 connectors, 3 transistors, 2 ICs and 2 LEDs.

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

From the project

PMSM/BLDC motor controller/driver PCBs

- 6.7V~35V, 12A - 3-Phase low-side current sensing. OP-Amp Gain=6.74, Shunt resistor=20mΩ - Overcurrent detection. Ith=30A @ OC_COMPth=500mV - Input voltage sensing - 32x32mm square PCB, 4xM2 mounting holes - STSPIN32F0A 3-phase gate driver with embdded MCU SiP - STM32F031C6 48MHz, 4KB SRAM, 32KB Flash - 600mA sink/source gate drivers, integrated bootstrap diodes - 12V LDO and 3.3V buck - SiZ250DT Dual N-MOSFET, 60V, 38A, 3.3x3.3mm - MA702 magnetic encoder, SPI - 2x04 2.54mm Pin header for debug, JST SM03B-SRSS-TB 1x03 for Serial and I2C

Main components on the Moco-RD321

XC6220B331MRDRV8301

Moco-RD321 bill of materials (BOM)

81 components, 69 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XC6220B331MR
STSPIN32F0A
U1
1
DRV8301
MA702
U2
3
CSD18540Q5B
SiZ250DT
Q1, Q2, Q3
1
CONN_01X06
Debug
J1
1
Serial
J2
1
CONN_01X02
I^{2}C
J3
1
CONN_01X09
V+
J4
1
CONN_01X03
V-
J5
1
CONN_02X02_TOP_BOTTOM
U
J6
1
CONN_02X02_TOP_BOTTOM
V
J7
1
W
J8
1
SolderJumper_2_Open
SB1
1
RESET
SW1
1
C375569
Red
LD1
1
Blue
LD2
1
SS34
STPS0560Z
D1
1
22UH/1.5A
22uH
L1
1
270PF
47uF
C1
1
10UF
220nF/50V
C2
1
4.7UF
10uF/50V
C3
Show 49 more
QtyPartRefs
1
270PF
100nF
C4
1
82PF
100nF
C5
1
2.2NF
100nF
C6
3
2.2NF
10uF/50V
C7, C20, C21
1
15NF
100nF
C8
1
2.2UF/50V
220nF/50V
C9
1
2.2UF/16V
220nF/50V
C10
1
4.7UF/50V
100nF/50V
C11
1
1UF
100nF/50V
C12
1
1UF
220nF/50V
C13
1
100NF/50V
100nF/50V
C14
1
2.2UF/50V
1nF
C15
5
100NF/50V
10uF/50V
C16, C19, C22, C23, C24
1
4.7UF/50V
10uF/50V
C17
1
22NF
10uF/50V
C18
1
68UF
22uF/50V
C25
1
47UF/50V
10uF/50V
C26
1
2.2UF/50V
10uF/50V
C27
1
22UF/50V
10uF/50V
C28
1
22UF/50V
1uF
C29
1
4.7K
10k
R1
1
10K
100k
R2
1
4.7K
1k
R3
1
10K
1k
R4
1
680R
10k
R5
1
10K
10R
R6
1
680R
10R
R7
1
10R
R8
1
330R
10R
R9
2
3.3K
24k
R10, R11
1
3.3K
1.78k
R12
2
2.2R
1.78k
R13, R28
1
2.2R
20mΩ/3W
R14
1
47K
24k
R15
1
22R
20mΩ/3W
R16
1
22R
24k
R17
1
10K
1.78k
R18
2
1.78k
R19, R32
1
10K
12k
R20
1
3.3K
12k
R21
1
C25767
10R
R22
1
18K
2.2k
R23
1
10K
6.8k
R24
1
2.2R
10R
R25
2
2.2R
2.2k
R26, R29
1
24k
R27
1
120R
20mΩ/3W
R30
1
120R
24k
R31
1
18K
12k
R33

Moco-RD321 design files

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

Moco-RD321: common questions

How big is the Moco-RD321 PCB?

The Moco-RD321 measures 32 × 32 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Moco-RD321?

81 components, from 69 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 Moco-RD321 design files?

From the ziteh/moco 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 Moco-RD321 design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which ziteh chose for the repository.

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