4 layers160 × 90 mm
4 layers110 × 100 mm
Bitcart
skot/bitcart23Raspberry Pi CM4 based antminer control board
- Size
- 110 × 100 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 134
- Nets
- 263
- Pads
- 833
- Tracks, vias
- 1,960, 374
- Pours
- 12
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 14 Sep 2023
- Updated
- 28 Mar 2024
Overview
Bitcart is an open-source printed circuit board by skot, from the skot/bitcart repository on GitHub. It is a 4-layer board of 110 × 100 mm with 134 parts on 263 nets, routed with 1,960 tracks and 374 vias.
It is built around the 74LVC1G07SE-7-MS, EMC2305-1-AP-TR and PCA9546ARGVR, with the AP22653W6, FSUSB42MUX and USB2514B-I/M2 among its other parts. Its parts include 57 capacitors, 36 resistors, 15 connectors, 10 ICs and 3 diodes. It belongs with the computers and single-board computers boards and the Raspberry Pi (Linux) boards of this library.
Main components
9
74LVC1G07SE-7-MS
SC-70-5SC-70-5 Buffers, Drivers, Receivers, Transceivers ROHSMSKSEMIBuffers, Drivers, Receivers, Transceivers
EMC2305-1-AP-TR
QFN-16-EP(4x4)-40℃~+125℃ 3V~3.6V 625uA I2C、SMBus QFN-16-EP(4x4) Brushed DC Motor Drivers ROHSMicrochip TechnologyBrushed DC Motor Drivers
PCA9546ARGVR
VQFN-16-EP(4x4)VQFN-16-EP(4x4) Interface - Specialized ROHSTexas InstrumentsInterface - Specialized
AP22653W6
SOT-26-40℃~+85℃ 1 2.1A 3V~5.5V 65mΩ Active High High Side Switch Short-Circuit Protection(SCP)、Over Voltage Protection、Undervoltage Protection(UVP)、Overcurrent Protection(OCP)、Overtemperature protection (OTP) SOT-26 Power Distribution Switches ROHSDiodes IncorporatedPower Distribution Switches
FSUSB42MUX
MSOP-10-40℃~+85℃ 12ns 13ns 2 250ps 2:1 3.7pF 3.9Ω 3V~4.4V 720MHz MSOP-10 Analog Switches, Multiplexers ROHSonsemiAnalog Switches, Multiplexers
USB2514B-I/M2
SQFN-36-EP(6x6)-40℃~+85℃ 3.3V 4 Hub I2C USB 2.0 SQFN-36-EP(6x6) USB HUB Controllers ROHSMicrochip TechnologyUSB HUB Controllers
SRN6045TA-3R3Y
SMD,6x6mm21mΩ 3.3uH 5A 7.8A ±30% SMD,6x6mm Power Inductors ROHSBournsPower Inductors
10018783-11200TLF
插件,P=1mm-55℃~+85℃ 1mm 36P Copper alloy Gold Through Hole Plugin,P=1mm PCI / PCIe Connector ROHSAmphenolEdgeboard Connectors
DMP3013SFV-7(ES)
PDFN-8L(3x3)PDFN-8L(3x3) MOSFETs ROHSElecSuperMOSFETs
README
readme.mdThe Bitcart
The bitcart is an open source controlboard for Bitmain Antminers. It runs off a RPi CM4 and the design is based around the Raspberry Pi Compute Module 4 IO Board
If you are trying run a Bitcoin ASIC miner somewhere besides a datacenter, this is the controlboard for you.
design is currently in alpha stage and untested!
Goals
- Initial support for Antminer S19J, S19K and S19XP series miners.
- eventual support for S19, S17 and S9 legacy miners.
- Fully open source hardware and firmware
- Runs the open source esp-miner ported to linux.
- miner FW modularized to allow for easy modification. Better utilize stranded energy!
- IO options for customization
- Ethernet
- WiFi
- Bluetooth
- USB2
- PCIe
- RPi 40-pin header
- Built-in options for hashboard testing and repair
Parts
134| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C5, C6, C7, C8, C9, C10, C17, C20, C21, C22, C29, C30, C46, C47, C48 |
| 15 | 10u | Capacitor_SMD:C_0805_2012Metric | C3, C4, C11, C13, C14, C15, C16, C34, C35, C36, C37, C53, C54, C55, C56 |
| 13 | 10u 35v | Capacitor_SMD:C_0805_2012Metric | C23, C24, C25, C26, C27, C28, C39, C40, C41, C42, C44, C45, C49 |
| 9 | 4.7K | Resistor_SMD:R_0402_1005Metric | R28, R29, R30, R31, R32, R33, R34, R37, R39 |
| 8 | TestPoint | TestPoint:TestPoint_Pad_D1.5mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 |
| 5 | 2.2K 1% | Resistor_SMD:R_0402_1005Metric | R1, R2, R13, R14, R27 |
| 4 | 12K 1% | Resistor_SMD:R_0402_1005Metric | R6, R20, R23, R26 |
| 4 | 36K | Resistor_SMD:R_0402_1005Metric | R9, R10, R11, R12 |
| 4 | 36K 1% | Resistor_SMD:R_0402_1005Metric | R3, R4, R5, R7 |
| 4 | 61900411021 | bitcart:CONN_61900411021_WRE | J3, J4, J5, J6 |
| 4 | nf | Capacitor_SMD:C_0402_1005Metric | C31, C33, C50, C52 |
| 3 | 100uF | Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D | C12, C38, C57 |
| 2 | 1.2nF | Capacitor_SMD:C_0402_1005Metric | C32, C51 |
| 2 | 10R | Resistor_SMD:R_0402_1005Metric | R19, R24 |
| 2 | 15K 1% | Resistor_SMD:R_0402_1005Metric | R8, R22 |
| 2 | 1k | Resistor_SMD:R_0402_1005Metric | R15, R16 |
| 2 | 220uF | Capacitor_SMD:CP_Elec_6.3x7.7 | C18, C19 |
| 2 | 27pF | Capacitor_SMD:C_0402_1005Metric | C1, C2 |
| 2 | 470R | Resistor_SMD:R_0402_1005Metric | R17, R18 |
| 2 | AP64501SP-13 | Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.95x4.9mm_Mask2.71x3.4mm_ThermalVias | U8, U9 |
| 2 | SRN6045TA-3R3Y | Inductor_SMD:L_Bourns_SRN6045TA | L1, L2 |
| 1 | 0455580003 | bitcart:0455580003 | J12 |
| 1 | 10018783-11200TLF | CM4IO:PCIex1-36 | J11 |
| 1 | 100n 100v | Capacitor_SMD:C_0402_1005Metric | C43 |
| 1 | 20K 1% | Resistor_SMD:R_0402_1005Metric | R25 |
| 1 | 24MHz | bitcart:CRYSTAL_ABM8G_ABR | Y1 |
| 1 | 47K 1% | Resistor_SMD:R_0402_1005Metric | R21 |
| 1 | 690-008-221-904 | CM4IO:MOLEX_USB_67298-4090 | J2 |
| 1 | 74LVC1G07SE-7 | Package_TO_SOT_SMD:SOT-353_SC-70-5 | U6 |
| 1 | AP22653W6 | Package_TO_SOT_SMD:SOT-23-6 | U4 |
| 1 | ComputeModule4 | CM4IO:Raspberry-Pi-4-Compute-Module | Module1 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J8 |
| 1 | Conn_01x22 | bitcart:CON22_1X22_DUTB_HRS_HIR | J7 |
| 1 | Conn_02x03_Odd_Even | bitcart:CONN-TH_6P-P2.00_PHD-2X3A | J10 |
| 1 | DMP3013SFV-7 | Package_SON:Diodes_PowerDI3333-8 | Q1 |
| 1 | EMC2305-1-AP-TR | bitcart:QFN16_4x4MC_MCH | U5 |
| 1 | FSUSB42MUX | Package_SO:MSOP-10_3x3mm_P0.5mm | U1 |
| 1 | Hashboard0 | bitcart:CONN-TH_X2026WV-2-09D-46SN | J13 |
| 1 | Hashboard1 | bitcart:CONN-TH_X2026WV-2-09D-46SN | J14 |
| 1 | Hashboard2 | bitcart:CONN-TH_X2026WV-2-09D-46SN | J15 |
| 1 | LED Green | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | LED Red | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | MMBZ5242BLT3G | bitcart:D_SOT-23_ANK | D3 |
| 1 | MagJack-A70-112-331N126 | bitcart:ARJM11D7-502-AB-EW2_ABR | U7 |
| 1 | PCA9546ARGVR | bitcart:QFN-16_EP_4x4_Pitch0.65mm | U10 |
| 1 | THD-20-R | Connector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_Vertical | J9 |
| 1 | TPD4EUSB30 | Package_SON:USON-10_2.5x1.0mm_P0.5mm | U3 |
| 1 | USB2514B-I/M2 | Package_DFN_QFN:QFN-36-1EP_6x6mm_P0.5mm_EP3.7x3.7mm | U2 |
| 1 | USB_OTG | CM4IO:USB_Micro-B_EDAC_UCON00686 | J1 |
Questions
How big is the Bitcart PCB?
It measures 110 × 100 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Bitcart use?
134 parts, built around the 74LVC1G07SE-7-MS, EMC2305-1-AP-TR, PCA9546ARGVR and AP22653W6. 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 Bitcart KiCad files?
From the skot/bitcart repository on GitHub, at the commit this page was made from: the board is bitcart.kicad_pcb and its schematic CM4_GPIO.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Bitcart design in my own project?
Its repository states no licence, so its author keeps all rights: ask skot before reusing the design.
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