BDCMotorControlBoard
About the BDCMotorControlBoard PCB
BDCMotorControlBoard is an open source RP2040/RP2350 PCB design by nunosousa, published on GitHub under the MIT license. It is a 4-layer board measuring 110 × 37 mm, with 87 components from 42 distinct parts.
Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the DRV8870DDAR, DRV8870DDA, SP3485EN-L/TR, 74HC2G08 and INA180A1. By type, the board carries 41 capacitors, 21 resistors, 9 ICs, 6 connectors, 4 transistors and 4 diodes.
It belongs with the science & space designs in this gallery.
From the project
This is an application intended to provide useful tools to perform Foucault or Wire testing on reflective telescope mirrors
Main components on the BDCMotorControlBoard
BDCMotorControlBoard bill of materials (BOM)
87 components, 42 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RP2040 | QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U1 |
| 1 | DRV8870DDAR DRV8870DDA | Texas_HTSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.95x4.9mm_Mask2.4x3.1mm_ThermalVias | U2 |
| 1 | DRV8870DDA INA180A1 | SOT-23-5 | U3 |
| 1 | SP3485EN-L/TR SP3485EN | SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | 74HC2G08 TLV75533PDBV | SOT-23-5 | U6 |
| 1 | INA180A1 TPS54202DDC | SOT-23-6 | U7 |
| 1 | W25Q16JVUXIQ | Winbond_USON-8-1EP_3x2mm_P0.5mm_EP0.2x1.6mm | U8 |
| 1 | PGA112AIDGSR PGA112 | VSSOP-10_3x3mm_P0.5mm | U10 |
| 1 | IRM-H6XX REF3033 | SOT-23 | U12 |
| 4 | BC847C,215 BC847 | SOT-23 | Q1, Q2, Q3, Q4 |
| 1 | ABM8-272-T3 | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | PZ254-1-06-Z-8.5 Motor Connector | JST_PH_S6B-PH-K_1x06_P2.00mm_Horizontal | J1 |
| 1 | HC-JN254-2-03-Z RS485 PCB | IDC-Header_2x03_P2.54mm_Horizontal | J2 |
| 2 | B2B-PH-K-S(LF)(SN) Limit switch | JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal | J4, J5 |
| 1 | DC-005-20A Conn_ARM_JTAG_SWD_10 | PinHeader_2x05_P1.27mm_Vertical | J6 |
| 1 | HC-TYPE-C-16P-01A USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_HCTL_HC-TYPE-C-16P-01A | J9 |
| 4 | LED | LED_0805_2012Metric | D1, D2, D4, D5 |
| 1 | L | L_TaiTech_TMPC1265_13.5x12.5mm | L1 |
| 2 | GRM0335C1E150JA01D 15pC | C_0201_0603Metric | C1, C2 |
| 10 | GRM033R60J104KE19D 100nC | C_0201_0603Metric | C3, C16, C18, C19, C20, C21, C22, C23 +2 |
Show 22 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | 0.1UC 100nC | C_0805_2012Metric | C4, C5, C9, C30, C35 |
| 2 | 47UC 100nC | C_0805_2012Metric | C6, C10 |
| 1 | 0.1UC 10uC | C_1210_3225Metric | C7 |
| 1 | 0.1UC 47uC | CP_Radial_D5.0mm_P2.00mm | C8 |
| 1 | 10UC 10uC | C_0805_2012Metric | C11 |
| 2 | 0.1UC 10uC | C_0805_2012Metric | C12, C37 |
| 1 | 10UC 100nC | C_0805_2012Metric | C13 |
| 1 | 10UC C | C_0805_2012Metric | C14 |
| 1 | 0.1UC C | C_1210_3225Metric | C15 |
| 4 | GRM155R60J225ME01D 2u2C | C_0402_1005Metric | C17, C25, C26, C27 |
| 3 | 10uC | C_0805_2012Metric | C28, C31, C33 |
| 1 | 0.1UC 100pC | C_0402_1005Metric | C29 |
| 4 | 100nC | C_0805_2012Metric | C32, C34, C38, C42 |
| 2 | 100pC | C_0402_1005Metric | C36, C39 |
| 4 | RC0402FR-071KL 1kR | R_0402_1005Metric | R1, R22, R23, R24 |
| 4 | 10KR 10kR | C_0805_2012Metric | R2, R3, R4, R5 |
| 1 | 250MR R | R_2010_5025Metric | R6 |
| 2 | 10KR R | R_0805_2012Metric | R8, R9 |
| 4 | 10KR 100R | R_0201_0603Metric | R10, R15, R16, R17 |
| 2 | RC0201FR-0727RL 27R | R_0201_0603Metric | R11, R12 |
| 2 | 10KR 5k1R | R_0402_1005Metric | R18, R19 |
| 2 | 1KR 5k1R | R_0402_1005Metric | R20, R21 |
BDCMotorControlBoard design files
The KiCad project lives in the nunosousa/TelescopeMirrorTester repository on GitHub; these links point at the commit this page was built from.
BDCMotorControlBoard: common questions
What microcontroller does the BDCMotorControlBoard use?
The BDCMotorControlBoard is built around the RP2040, from the RP2040/RP2350 family.
How big is the BDCMotorControlBoard PCB?
The BDCMotorControlBoard measures 110 × 37 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the BDCMotorControlBoard?
87 components, from 42 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 BDCMotorControlBoard design files?
From the nunosousa/TelescopeMirrorTester 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 BDCMotorControlBoard design in my own project?
Yes, under the terms of its MIT license, which nunosousa chose for the repository.
Can I test firmware for the BDCMotorControlBoard 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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