4 layers122 × 124.4 mm
2 layers77.2 × 49.8 mm
10 Degree of Freedom Inertial Measurement System
- Size
- 77.2 × 49.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 77
- Nets
- 135
- Pads
- 388
- Tracks, vias
- 941, 75
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 19 Oct 2015
- Updated
- 20 Sep 2017
Overview
IMU is an open-source printed circuit board by cuspaceflight, from the cuspaceflight/spalax repository on GitHub. It is a 2-layer board of 77.2 × 49.8 mm with 77 parts on 135 nets, routed with 941 tracks and 75 vias.
It is built around the STM32F405VGT6, MS5611-01BA03 and ADP3335ARMZ-3.3-RL, with the ADP3335ARMZ-5-R7, CGA0402MLC-12G and S1A among its other parts. Its parts include 27 capacitors, 15 resistors, 9 diodes, 7 ICs and 7 connectors. It belongs with the sensors and measurement boards and the STM32 boards of this library.
Main components
7
STM32F405VGT6
LQFP-100(14x14)-40℃~+85℃ 1.8V~3.6V 12bit 12bit 168MHz 192KB 1MB 32 Bit 82 ARM Cortex-M4 Built-in FLASH LQFP-100(14x14) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
MS5611-01BA03
QFN-8(3x5)QFN-8(3x5) Pressure Sensors ROHSMEASPressure Sensors
ADP3335ARMZ-3.3-RL
MSOP-8-40℃~+85℃ 1 12V 200mV@(500mA) 3.3V 47uVrms 500mA Fixed Over Current Protection、Over Temperature Protection、Enable Positive MSOP-8 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAnalog DevicesVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsADP3335ARMZ-5-R7
MSOP-8-40℃~+85℃@(Ta) 1 12V 370mV@(500mA) 500mA 5V 95uVrms Fixed Over Current Protection、Over Temperature Protection、Enable Positive MSOP-8 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAnalog DevicesVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
CGA0402MLC-12G
04020.5pF@1MHz 12V 30V 0402 ESD and Surge Protection (TVS/ESD) ROHSBournsVaristors
S1A
SMA(DO-214AC)1 Independent 1.1V@1A 1A 30A 50V 5uA@50V SMA(DO-214AC) Diodes - General Purpose ROHSDiodes IncorporatedDiodes - General Purpose
USBLC6-2P6
SOT-666-6-40℃~+125℃ 150nA 17V 2 3.5pF 5.25V 5A@8/20us 6V ESD IEC 61000-4-2 Unidirectional SOT-666-6 ESD and Surge Protection (TVS/ESD) ROHSSTMicroelectronicsESD And Surge Protection (TVS/ESD)
README
README.mdSpalax
This repository contains the schematics, PCB designs and firmware for a 10DOF IMU system.
Components
- Firmware - Firmware for the various IMU boards
- GUI - A 3D visualisation GUI which renders in realtime data sent from an attached IMU board
- Shared - A static library providing common functionality between the various software components
- Util - A collection of useful C++, python and bash utilities
- PCB - The KiCad PCB files for the Spalax IMU boards
Build Requirements
- GCC v4.8+
- CMake v3.2+
- arm-none-eabi-gcc (firmware build)
- xorg-dev libgl1-mesa-dev libfreetype6-dev libglew-dev libglm-dev (GUI build)
- GLFW v3+ (GUI build) - see glfw-install.sh
Compilation
Having installed all the dependencies simply run from the root directory of the repo
git submodule update --init --recursive
./util/bash/travis-build.shThis will configure and compile all the different components. If you only wish to configure a subset, just run the relevant section of travis-build.sh.
Parts
77| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 100n | Capacitors_SMD:C_0603 | C2, C5, C6, C8, C10, C11, C13, C15, C16, C24, C25, C27 |
| 5 | 47k | Resistors_SMD:R_0603 | R3, R4, R5, R6, R15 |
| 5 | 510 | Resistors_SMD:R_0603 | R8, R9, R10, R11, R12 |
| 4 | 1µ | Capacitors_SMD:C_0603 | C7, C18, C20, C22 |
| 4 | LED_GREEN | LEDs:LED-0603 | D1, D2, D3, D5 |
| 3 | 10µ | Capacitors_SMD:C_0603 | C1, C19, C23 |
| 2 | 100 | Resistors_SMD:R_0603 | R2, R13 |
| 2 | 10n | Capacitors_SMD:C_0603 | C9, C26 |
| 2 | 15p | Capacitors_SMD:C_0603 | C3, C4 |
| 2 | 1n | Capacitors_SMD:C_0603 | C17, C21 |
| 2 | 2µ2 | Capacitors_SMD:C_0603 | C12, C14 |
| 2 | LED_RED | LEDs:LED-0603 | D4, D6 |
| 2 | VAL** | IMU:M3_MOUNT | M3_MOUNT, M3_MOUNT |
| 1 | 10 | Resistors_SMD:R_0603 | R14 |
| 1 | 10K | Resistors_SMD:R_0603 | R1 |
| 1 | 1k | Resistors_SMD:R_0603 | R7 |
| 1 | 3V3 | Measurement_Points:Measurement_Point_Round-SMD-Pad_Big | 3V3 |
| 1 | 500mA | IMU:MC33191 | F1 |
| 1 | 5V | Measurement_Points:Measurement_Point_Round-SMD-Pad_Big | 5V |
| 1 | 8M | IMU:XTAL50x32 | Y1 |
| 1 | ADIS16405BMLZ | IMU:ADIS16405BMLZ | U2 |
| 1 | ADP3335ARMZ-3.3 | IMU:MSOP8 | IC2 |
| 1 | ADP3335ARMZ-5 | IMU:MSOP8 | IC3 |
| 1 | BATTERY | IMU:S02B-PASK-2 | P5 |
| 1 | BOOT0 | Measurement_Points:Measurement_Point_Round-SMD-Pad_Big | BOOT |
| 1 | CAN BUS | Pin_Headers:Pin_Header_Straight_1x04 | P7 |
| 1 | CGA0402MLC-12G | IMU:R0402 | D9 |
| 1 | LOGO | IMU:cusf_logo_full | G*** |
| 1 | LOGO | IMU:cusf_logo_small | G*** |
| 1 | MICROSD_HOLDER | IMU:MEM2051 | U1 |
| 1 | MOTION/POSITION-MPU-9250(QFN24) | IMU:QFN24G-0.4-3X3MM | U3 |
| 1 | MS5611-01BA03 | IMU:MS5611-01BA | IC4 |
| 1 | Q_NMOS_GSD_PSV | Housings_SOT-23_SOT-143_TSOT-6:SOT-23 | Q1 |
| 1 | S1A | Diodes_SMD:SMA_Standard | D7 |
| 1 | SPEAKER | IMU:ABI-042-RC | SP1 |
| 1 | SPI | Pin_Headers:Pin_Header_Straight_2x04 | P4 |
| 1 | STM32F405VGT | IMU:LQFP100 | IC1 |
| 1 | SWD | IMU:FTSH-105-01-F-D-K | P2 |
| 1 | SW_PUSH | Buttons_Switches_SMD:SW_SPST_EVQPE1 | SW1 |
| 1 | UART1 | IMU:S04B-PASK-2 | P1 |
| 1 | UART2 | IMU:S04B-PASK-2 | P3 |
| 1 | USBLC6-2 | Housings_SOT-23_SOT-143_TSOT-6:SOT-23-6 | D8 |
| 1 | USB_OTG | Connect:USB_Mini-B | P6 |
Questions
How big is the IMU PCB?
It measures 77.2 × 49.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the IMU use?
77 parts, built around the STM32F405VGT6, MS5611-01BA03, ADP3335ARMZ-3.3-RL and ADP3335ARMZ-5-R7. 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 IMU KiCad files?
From the cuspaceflight/spalax repository on GitHub, at the commit this page was made from: the board is pcb/IMU.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the IMU design in my own project?
Its repository states no licence, so its author keeps all rights: ask cuspaceflight before reusing the design.
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