4 layers
Sheet1
horychen/ProjectEureka
12 phase motor drive including inverter, microcontroller-mother-board, sensing, communication, DAC, etc.
251 parts17GPL-3.0
4 layers140.3 × 101.7 mm
Sheet1
horychen/ProjectEureka1712 phase motor drive including inverter, microcontroller-mother-board, sensing, communication, DAC, etc.
- Size
- 140.3 × 101.7 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 338
- Nets
- 336
- Pads
- 1,171
- Tracks, vias
- 3,219, 482
- Pours
- 1,621
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 11 Dec 2023
- Updated
- 4 Dec 2025
Overview
Sheet1 is an open-source printed circuit board by horychen, from the horychen/ProjectEureka repository on GitHub, published under the GPL-3.0 licence. It is a 4-layer board of 140.3 × 101.7 mm with 338 parts on 336 nets, routed with 3,219 tracks and 482 vias.
It is built around the SN74ABT541N, LTC6240HVCS5 and MCP6024-I/P, with the ADR423ARZ, HIF3FC-20PA-2.54DSA(71) and BAR43S among its other parts. Its parts include 129 resistors, 98 capacitors, 5 ICs, 5 diodes and 1 transistor. It belongs with the robots and motor control and power boards of this library.
Main components
8
SN74ABT541N
DIP-20-40℃~+85℃ 3.9ns@5V,50pF 32mA 4.5V~5.5V 64mA 74ABT 8 Power-off isolation、Output enable Tri-State DIP-20 Buffers, Drivers, Receivers, TransceiversTexas InstrumentsBuffers, Drivers, Receivers, Transceivers
LTC6240HVCS5
SOT23-58MHz, Low Noise, Rail-to-Rail Output, CMOS Operational AmplifierAnalog DevicesUncategorised
MCP6024-I/P
PDIP-14-40℃~+85℃ 10MHz 1mA 1pA 1pA 2.5V~5.5V 3.5uV/℃ 30mA 4 500uV 7V/us 8.7nV/√Hz@10kHz 90dB Built-in compensation Rail-to-Rail Input, Rail-to-Rail Output PDIP-14 Operational Amplifier ROHSMicrochip TechnologyOperational Amplifier
ADR423ARZ
SOIC-8-40℃~+125℃@(Ta) 10mA 10ppm/℃ 3V 5V~18V Fixed Series ±0.13% SOIC-8 Voltage Reference ROHSAnalog DevicesVoltage References
HIF3FC-20PA-2.54DSA(71)
插件,P=2.54mm-55℃~+85℃ 1A 2 2.54mm 2.54mm 200V 20P Black Brass Through Hole Tin UL94V-0 插件,P=2.54mm Wire To Board Connector ROHSHirose ElectricWire To Board Connector
BAR43S
SOT-231 Pair Series Connection 200mA 30V 500nA@25V 750mA 800mV@100mA SOT-23 Schottky Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Schottky DiodesFMMT618TA
SOT-23-55℃~+150℃ 1 NPN 100nA 140MHz 2.5A 200 20V 625mW 70mV 7V NPN SOT-23 Bipolar (BJT) ROHSDiodes IncorporatedBipolar (BJT)HIF3FC-30PA-2.54DSA(71)
插件-55℃~+85℃ 15 1A 2 2.54mm 2.54mm 200V 2x15P 30P Black Brass Through Hole Tin UL94V-0 插件 Wire To Board Connector ROHSHirose ElectricWire To Board Connector
README
readme.mdProjectEureka!--A Multi-phase Motor Drive Design for Robot or Maglev systems
ProjectEureka seeks to streamline the intricate design of robot systems, including communication, cable arrangements, and synchronization, by integrating several motor drivers (up to four) with a single microcontroller (DSP2837xD). This can also be utilized as a testing platform for bearingless motor or any other kind of AC motors. For access to example codes, please visit the following link: here for cpu01 code, and here for cpu02 code. Displayed below is an image representing the previous version.
Software
We have been shifting from Altium Designer to KiCAD.
Characteristics
Multi-board modulized design is adopted in Project Eureka!. Project Eureka! includes:
- Current sensor(LA55-P) 📂 PCBProject_SensorLEM
- DAC data collect board(MAX5725)📂PCBProject_SPI_MAX5307_DAC
- RS422/RS423 communication board 📂PCBProject_Encoder
- Inverters (FNC42060F) 📂PCBProject_InverterFNC42060F
- Auxiliary power supply 📂PCBProject_Power
- Mother board that connected all the boards above 📂PCBProject_Extension28377dBGA
- CAN/SCI/USB communication board📂PCBProject_Can_SCI_USB
- RS485 communication board 📂PCBProject_Happy485
This means:
- Convenient alternative for replacing one's own projects or addressing shortages of components.
- Utilize a single board design in their own design.
- Quick update and easy for collaboration (KiCAD 8 supports git now).
ProjectEureka can drive at most four AC motors. Thanks to the TMS320F28377D from TI, ProjectEureka can drive at most four AC motors by adding necessary inverter blocks and corresponding current sensors, which means:
- Facilitates communication and synchronization among motors.
- Suitable for organizing cables in a user-friendly manner.
Liscence
GPLv3
Other Similar Projects
Odrive and VESC are two famous projects that support the control of a three-phase motor. There are inverter designs that are compatible with them, see e.g., Axiom. Other similar but less known hardwares can also be found, see e.g., moteus-c1. Yet another project I recently found is STMBL for STM32 microprocessor.
ProjectEureka! is, however, focusing on the more advanced topic of a complicated system that requires extendable hardwares. In this sense, there is indeed one similar purpose project that is based on Xilinx, i.e., the AMDC platform from the group of Prof. Eric L. Severson. See also its doc and its blog post.
As a comparison, ProjectEureka! currently only supports 28379D that has one CLB module of a very limited FPGA capability.
Parts
338| Qty | Value | Footprint | References |
|---|---|---|---|
| 41 | 103 | Capacitor_SMD:C_0805_2012Metric | C15, C16, C21, C22, C28, C29, C30, C31, C32, C33, C41, C43, C44, C48, C49, C50 +25 |
| 39 | TP-黄色测试点 | TestPoint:TestPoint_Pad_1.0x1.0mm | DC_BUS_2M3, DC_BUS_2M4, GND_2M3, GND_2M4, TESTPOINT1, TESTPOINT2, TESTPOINT3, TESTPOINT4, TESTPOINT5, TESTPOINT6, TESTPOINT7, TP1, TP10, TP11, TP12, TP13 +23 |
| 24 | 105 | Capacitor_SMD:C_0805_2012Metric | C34, C35, C37, C38, C39, C40, C54, C55, C56, C57, C58, C59, C72, C73, C74, C75 +8 |
| 24 | 10k | Resistor_SMD:R_0805_2012Metric | R57, R59, R61, R63, R65, R67, R72, R74, R76, R78, R102, R104, R106, R108, R110, R112 +8 |
| 24 | 20k | Resistor_SMD:R_0805_2012Metric | R56, R58, R60, R62, R64, R66, R71, R73, R75, R77, R101, R103, R105, R107, R109, R111 +8 |
| 22 | 0R | Resistor_SMD:R_0805_2012Metric | R36, R37, R38, R39, R46, R47, R48, R49, RB1, RB2, RB3, RB4, RB5, RB10, RB11, RB12 +6 |
| 20 | 4.7k | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R10, R11, R12, R16, R17, R18, R19, R22, R23, R24, R25, R26, R27 +4 |
| 13 | 10K | Resistor_SMD:R_0805_2012Metric | R13, R32, R33, R34, R35, R40, R41, R42, R43, R50, R51, R52, R53 |
| 12 | 101 | Capacitor_SMD:C_0805_2012Metric | C24, C26, C27, C45, C46, C47, C63, C64, C65, C81, C82, C83 |
| 12 | 24R 1%精度 | Resistor_SMD:R_2512_6332Metric | RM1, RM2, RM3, RM4, RM5, RM6, RM7, RM8, RM9, RM10, RM11, RM12 |
| 12 | 470R | Resistor_SMD:R_0805_2012Metric | R68, R69, R70, R83, R84, R85, R98, R99, R100, R113, R114, R115 |
| 12 | DNP | Resistor_SMD:R_0805_2012Metric | RU7, RU8, RU9, RU10, RU11, RU12, RU13, RU14, RU15, RU16, RU17, RU18 |
| 12 | LTC6240HV | SamacSys_Parts:SOT95P280X100-5N | A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12 |
| 11 | 104 | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C4, C5, C6, C8, C9, C14, C23, C36 |
| 8 | 102 | Capacitor_SMD:C_0805_2012Metric | C10, C11, C12, C13, C17, C18, C19, C20 |
| 6 | 1K | Resistor_SMD:R_0805_2012Metric | R15, R29, R44, R45, R54, R55 |
| 6 | Conn_01x06 | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | ECAP1, ECAP2, UART1, UART2, UART3, UART4 |
| 5 | HIF3FC-20PA-2.54DSA | SamacSys_Parts:SHDR20W56P254_2X10_3290X850X950P | IPM-LEM1, IPM-LEM2, IPM-LEM3, IPM-LEM4, SPI-DAC1 |
| 4 | 4.7K | Resistor_SMD:R_0805_2012Metric | R4, R7, R20, R21 |
| 4 | BAR43S | Package_TO_SOT_SMD:SOT-23 | D2, D3, D4, D5 |
| 4 | SN74ABT541 | 1mmlab_footprint:TSSOP-20 | U1, U2, U3, U4 |
| 3 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | CAN_A1, CAN_B1, CLB_BiSS_C1 |
| 2 | 106 25V | 1mmlab_footprint:1206 (钽电容) | C25, C42 |
| 2 | Conn_02x04_Counter_Clockwise | Connector_PinSocket_2.54mm:PinSocket_2x04_P2.54mm_Vertical | SPI1, SPI2 |
| 2 | Conn_02x05_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | I2C1, I2C2 |
| 1 | 1.69K/1% | Resistor_SMD:R_0805_2012Metric | R30 |
| 1 | 100R | Resistor_SMD:R_0805_2012Metric | R28 |
| 1 | 2K | Resistor_SMD:R_0805_2012Metric | R14 |
| 1 | 3.3K/1% | Resistor_SMD:R_0805_2012Metric | R31 |
| 1 | ADR423ARZ | 1mmlab_footprint:SOIC-8 | U5 |
| 1 | Conn_02x02_Counter_Clockwise | Connector_PinSocket_2.54mm:PinSocket_2x02_P2.54mm_Vertical | DI1 |
| 1 | Conn_02x05_Odd_Even | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J1 |
| 1 | FMMT618TA | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | HIF3FC-30PA-2.54DSA | Connector_PinSocket_2.54mm:PinSocket_2x15_P2.54mm_Vertical | POWER1 |
| 1 | LEDRED | LED_SMD:LED_0805_2012Metric | D1 |
| 1 | MCP6024 | 1mmlab_footprint:SOIC14_M | N1 |
| 1 | TMS320F28377D-BGA-P1A | 1mmlab_footprint:DSP_240_P1A | DSP3 |
| 1 | TMS320F28377D-BGA-P1B | 1mmlab_footprint:DSP_240_P1B | DSP1 |
| 1 | TMS320F28377D-BGA-P1C | 1mmlab_footprint:DSP_240_P1C | DSP2 |
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Questions
How big is the Sheet1 PCB?
It measures 140.3 × 101.7 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Sheet1 use?
338 parts, built around the SN74ABT541N, LTC6240HVCS5, MCP6024-I/P and ADR423ARZ. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Sheet1 KiCad files?
From the horychen/ProjectEureka repository on GitHub, at the commit this page was made from: the board is PCBProject_Extension28377dBGA/ExtensionSimple4/sheet1.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sheet1 design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).