4 layers267 × 75 mm
Fracture
SharKingStudios/Fracture
An infinitely expandable, velocity sensing split midi keyboard.
208 parts10MIT
4 layers37.8 × 99.8 mm
MIDI USB
GuavTek/M2IDI_USB_HWHardware for the M2IDI USB module
- Size
- 37.8 × 99.8 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 133
- Nets
- 138
- Pads
- 494
- Tracks, vias
- 937, 156
- Pours
- 12
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 27 Oct 2021
- Updated
- 31 Mar 2024
Overview
MIDI USB is an open-source printed circuit board by GuavTek, from the GuavTek/M2IDI_USB_HW repository on GitHub, published under the CERN-OHL-W-2.0 licence. It is a 4-layer board of 37.8 × 99.8 mm with 133 parts on 138 nets, routed with 937 tracks and 156 vias.
It is built around the RP2040, TL072 and ES9023P, with the PCM1808PW, MIC2005A-2YM5-TR and MIC5504-3.3YM5 among its other parts. Its parts include 50 capacitors, 34 resistors, 13 ICs, 12 diodes and 8 connectors. It belongs with the audio and music boards and the RP2040 boards of this library.
Main components
11
RP2040
LQFN-56(7x7)12bit 133MHz 30 LQFN-56(7x7) Microcontrollers (MCU/MPU/SOC) ROHSRaspberry PiMicrocontrollers (MCU/MPU/SOC)
TL072
SOP-8-18V~18V 0℃~+70℃ 1.4mA 1.5nA 10V/us 10mV 2 2.5nA 3MHz 85dB SOP-8 Operational Amplifier ROHSGcoreOperational Amplifier
ES9023P
SOP-160℃~+70℃ 2 200kHz 24 3.3V~3.6V Audio Decoder I2S SOP-16 ADCs/DACs - Special Purpose ROHSESS TechDigital To Analog Converters (DAC)
PCM1808PW
TSSOP-14-40℃~+85℃ 1uA、150uA 2 24 4.5V~5.5V 49.152MHz 96000Hz Audio Analog-to-Digital Converter I2S TSSOP-14 ADCs/DACs - Special Purpose ROHSTexas InstrumentsADCs/DACs - Special Purpose
MIC2005A-2YM5-TR
SOT-23-5-40℃~+85℃ 1 170mΩ 2.5V~5.5V 500mA High Side Switch SOT-23-5 Power Distribution Switches ROHSMicrochip TechnologyPower Distribution SwitchesMIC5504-3.3YM5
SOT-23-5-40℃~+125℃@(Tj) 1 120uVrms 15uA 180mV@(300mA) 3.3V 300mA 5.5V 75dB@(1kHz) Fixed Over Temperature Protection、Enable Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTECH PUBLICVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
TUSB3210PM
LQFP-64_L10.0-W10.0-P0.50-LS12.0-TLLQFP-64(10x10) New Arrivals ROHSTexas InstrumentsUncategorised
ZXMP3A13F
UncategorisedDiodes Incorporated
PMV88ENER
TO-236AB-55℃~+175℃ 1 N-channel 117mΩ@10V 15pF 196pF 2.2A 2.7V 24pF 60V 6nC@10V 7.5W N-Channel TO-236AB MOSFETs ROHSNexperiaMOSFETs
ECS-120-18-33-JGN-TR3
SMD3225-4P-40℃~+85℃ 100Ω 12MHz 18pF ±20ppm ±30ppm SMD3225-4P Crystals ROHSECSCrystals
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
README
README.mdThis eurorack module connects MIDI over USB with the internal MIDI bus, and will work in both USB device and host modes. It also offers stereo audio streaming into and out from the rack when running in device mode. View this project on CADLAB.io to see renders of schematics and PCBs, as well as current issues.
A part of the M2IDI prototypes
The code for this module can be found on GitHub
More info on the M2IDI system can be found on the Hackaday project page
Parts
133| Qty | Value | Footprint | References |
|---|---|---|---|
| 21 | 100nF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C11, C12, C13, C19, C24, C26, C31, C32, C36, C37, C39, C40, C47, C48 +5 |
| 10 | 1µF | Capacitor_SMD:C_0603_1608Metric | C3, C4, C5, C6, C14, C16, C18, C20, C21, C43 |
| 10 | SD103 | Diode_SMD:D_SOD-323_HandSoldering | D3, D4, D5, D6, D7, D8, D9, D10, D11, D12 |
| 9 | 100k | Resistor_SMD:R_0603_1608Metric | R6, R7, R9, R12, R13, R22, R24, R29, R30 |
| 7 | 1k | Resistor_SMD:R_0603_1608Metric | R18, R19, R20, R21, R27, R28, R34 |
| 5 | 10µF | Capacitor_SMD:C_0805_2012Metric | C17, C22, C23, C25, C38 |
| 4 | AudioJack3_SwitchTR | Custom_FP:STX3100_Angled_3.5mm | J7, J8, J9, J10 |
| 4 | ZXMP3A13 | Package_TO_SOT_SMD:SOT-23 | Q1, Q4, Q5, Q6 |
| 3 | 10k | Resistor_SMD:R_0603_1608Metric | R14, R15, R26 |
| 3 | 4.7nF | Capacitor_SMD:C_0603_1608Metric | C10, C15, C35 |
| 3 | 470 | Resistor_SMD:R_0603_1608Metric | R2, R3, R36 |
| 3 | 47µF | Capacitor_SMD:C_1210_3225Metric | C44, C45, C46 |
| 2 | 10µF bi-polar | Capacitor_SMD:CP_Elec_5x5.8 | C29, C30 |
| 2 | 12pF | Capacitor_SMD:C_0603_1608Metric | C33, C34 |
| 2 | 1M | Resistor_SMD:R_0603_1608Metric | R10, R31 |
| 2 | 1nF | Capacitor_SMD:C_0603_1608Metric | C27, C28 |
| 2 | 27.4 | Resistor_SMD:R_0603_1608Metric | locked, R33 |
| 2 | 27k | Resistor_SMD:R_0603_1608Metric | R16, R17 |
| 2 | 27pF | Capacitor_SMD:C_0603_1608Metric | C41, C42 |
| 2 | 30k | Resistor_SMD:R_0603_1608Metric | R23, R25 |
| 2 | 62 | Resistor_SMD:R_0805_2012Metric | R4, R5 |
| 2 | NC | Resistor_SMD:R_0603_1608Metric | R1, R35 |
| 2 | PMV88ENER | Package_TO_SOT_SMD:SOT-23 | Q2, Q7 |
| 2 | SW_SPST | Button_Switch_SMD:SW_SPST_B3U-1000P | SW3, SW4 |
| 2 | TL072 | Package_SO:SO-8_3.9x4.9mm_P1.27mm | U4, U8 |
| 1 | 20MHz | Custom_FP:Crystal_2pin_2.0x2.5mm | Y1 |
| 1 | 220k | Resistor_SMD:R_0603_1608Metric | R11 |
| 1 | 910k | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | APS1604M | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U12 |
| 1 | CAT250640VI | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U11 |
| 1 | Conn_01x04 | Custom_FP:MicroMatch_04_Angled | J1 |
| 1 | Conn_01x06 | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD | J4 |
| 1 | Conn_02x08_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Horizontal | J6 |
| 1 | ECS-120-18-33-JGN-TR3 | Custom_FP:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering | Y2 |
| 1 | ES9023P | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U6 |
| 1 | IS25LP032D | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | LED | LED_THT:LED_D3.0mm_Horizontal_O1.27mm_Z2.0mm | D1 |
| 1 | LED | LED_THT:LED_D3.0mm_Horizontal_O3.81mm_Z2.0mm | D2 |
| 1 | MCP2517FD-xSL | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U9 |
| 1 | MCP2562FD-ESN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U10 |
| 1 | MIC2005A-2YM5 | Package_TO_SOT_SMD:SOT-23-5 | U13 |
| 1 | MIC5504-3.3YM5 | Package_TO_SOT_SMD:SOT-23-5 | U5 |
| 1 | MMBT3904 | Package_TO_SOT_SMD:SOT-23 | Q3 |
| 1 | NetTie_2 | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | NT1 |
| 1 | PCM1808 | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U7 |
| 1 | RP2040 | Package_DFN_QFN:QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U1 |
| 1 | SW_Push_DPDT | Custom_FP:SlideDPDT_JS202011 | SW1 |
| 1 | SW_SPST | Button_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx58-2LFS | SW2 |
| 1 | TUSB321 | Package_DFN_QFN:Texas_X2QFN-12_1.6x1.6mm_P0.4mm | U3 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J5 |
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Questions
How big is the MIDI USB PCB?
It measures 37.8 × 99.8 mm and has 4 copper layers, 1.6 mm thick.
What parts does the MIDI USB use?
133 parts, built around the RP2040, TL072, ES9023P and PCM1808PW. 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 MIDI USB KiCad files?
From the GuavTek/M2IDI_USB_HW repository on GitHub, at the commit this page was made from: the board is Core/MIDI_USB.kicad_pcb and its schematic Core/Analog.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the MIDI USB design in my own project?
Its repository publishes it under the CERN-OHL-W-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).