Nerdqaxe+
About the Nerdqaxe+ PCB
Nerdqaxe+ is an open source PCB design by shufps, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 89 × 152 mm, with 183 components from 57 distinct parts.
Other key parts include the TPS53647, CSD95472Q5MC, AP3211, MCP1824T-0802E and 25MHz. By type, the board carries 119 capacitors, 37 resistors, 17 ICs, 3 diodes, 3 inductors and 2 modules.
From the project
qaxe bitcoin miner
This repository contains multiple generations of small-scale Bitcoin miner hardware designs.
Current high-performance design based on 4× BM1370 ASICs.
- ~4.8 TH/s at ~76 W (~15.8 J/TH) - Previous stable version (that was used for most NQ++): rev5.1 - Latest: rev5.1.2*
*: contains some improvements but is untested yet.
- ~2.5TH/s at ~55 W (~22 J/TH) - Latest revision 5.0
Main components on the Nerdqaxe+
Nerdqaxe+ bill of materials (BOM)
183 components, 57 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TPS53647 TPS53647RTAR | Texas_RHA0040B_VQFN-40-1EP_6x6mm_P0.5mm_EP4.15x4.15mm_ThermalVias | U3 |
| 2 | CSD95472Q5MC CSD95472Q5MC | CSD95472-SON-5x6 | U4, U5 |
| 1 | AP3211 AP3211KTR-G1 | SOT-23-6 | U6 |
| 1 | MCP1824T-0802E MCP1824T-0802E/OT | SOT-23-5 | U7 |
| 1 | 25MHz | Oscillator_SMD_EuroQuartz_XO32-4Pin_3.2x2.5mm | U8 |
| 4 | BM1368_mode1 | bm1368-package-modified | U19, U20, U25, U26 |
| 1 | T-Display-S3 | T-Display-S3 | U30 |
| 1 | EMC2302-1 EMC2302-1-AIZL-TR | MSOP-10_3x3mm_P0.5mm | U32 |
| 1 | TXU0102-DCU TXU0102DCUR | VSSOP-8_2.3x2mm_P0.5mm | U33 |
| 1 | TXU0304PW TXU0304PWR | TSSOP-14_4.4x5mm_P0.65mm | U35 |
| 1 | MCP1824T-1802E MCP1824T-1802E/OT | SOT-23-5 | U36 |
| 2 | TMP1075 TMP1075NDRLR | TMP1075-DRL | U37, U38 |
| 2 | Fan_4pin 0470531000 | FanPinHeader_1x04_P2.54mm_Vertical | M1, M2 |
| 1 | Barrel_Jack_Switch PJ-102AH | BarrelJack_CUI_PJ-102AH_Horizontal | J1 |
| 1 | 5A 0154005.DR | fuseholder_littlefuse_blok | F1 |
| 1 | SMBJ12A SMBJ12A | D_SMB | D1 |
| 1 | PMEG4030EP,115 PMEG4030EP,115 | D_SOD-128 | D2 |
| 1 | 1N5819 1N5819HWQ-7-F | D_SOD-123 | D3 |
| 2 | 220nH FP1008R5-R220-R | IFLR-4031GC-01-8x10 | L1, L2 |
| 1 | 4.7µH/2.3A/2.7A 74404052047 | L_Taiyo-Yuden_NR-50xx | L3 |
Show 37 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 2.2n | C_0805_2012Metric | C1 |
| 3 | 1n | C_0805_2012Metric | C2, C4, C9 |
| 1 | 12p | C_0603_1608Metric | C3 |
| 1 | 330n | C_0805_2012Metric | C5 |
| 50 | 1µ | C_0805_2012Metric | C6, C8, C28, C30, C32, C33, C34, C35 +42 |
| 1 | 4.7µ | C_0805_2012Metric | C7 |
| 2 | 100n/0.7mm AC0805KRX7R9BB104 | C_0805_2012Metric | C10, C11 |
| 2 | 2.2µ | C_0805_2012Metric | C12, C13 |
| 16 | 100n | C_0805_2012Metric | C14, C16, C25, C49, C53, C55, C59, C82 +8 |
| 6 | 100µ/6.3V C1210C107M8PAC7800 | C_1210_3225Metric | C15, C17, C21, C22, C24, C39 |
| 4 | 1n/0.7mm CC0805KRX7R0BB102 | C_0805_2012Metric | C18, C19, C109, C110 |
| 6 | 22µ/25V C1210C226K3PAC7800 | C_1210_3225Metric | C20, C23, C45, C81, C89, C111 |
| 6 | 10µ C2012X5R1E106K125AB | C_0805_2012Metric | C26, C27, C29, C31, C119, C120 |
| 9 | 330µ/4V GRM32ER60G337ME05K | C_1210_3225Metric | C48, C84, C86, C90, C91, C95, C97, C98 +1 |
| 1 | 220µ/25V HHXE250ARA221MHA0G | CP_Elec_8x10 | C92 |
| 1 | 10µ/25V C2012X5R1E106K125AB | C_0805_2012Metric | C100 |
| 1 | 10n | C_0805_2012Metric | C104 |
| 1 | 22µ/16V | C_1206_3216Metric | C106 |
| 2 | 3.3n/25V | C_0805_2012Metric | C112, C117 |
| 2 | 1µ/25V | C_0805_2012Metric | C113, C118 |
| 3 | 22p | C_0603_1608Metric | C114, C115, C116 |
| 1 | 16.5k | R_0805_2012Metric | R1 |
| 1 | 24.3k | R_0805_2012Metric | R2 |
| 2 | 100k | R_0805_2012Metric | R3, R4 |
| 1 | 121k | R_0805_2012Metric | R5 |
| 1 | 8.06k | R_0805_2012Metric | R6 |
| 1 | 2.55k | R_0805_2012Metric | R7 |
| 2 | 2.2R/0.5W RCS08052R20FKEA | R_0805_2012Metric | R12, R13 |
| 9 | 10k | R_0805_2012Metric | R19, R20, R21, R22, R23, R31, R36, R37 +1 |
| 4 | 1R/0.5W CRCW08051R00FKEAHP | R_0805_2012Metric | R25, R26, R27, R28 |
| 2 | 0 | R_0805_2012Metric | R29, R30 |
| 1 | 84.5k | R_0805_2012Metric | R32 |
| 2 | 2.7k | R_0805_2012Metric | R33, R35 |
| 1 | 16.2k | R_0805_2012Metric | R34 |
| 2 | 100 | R_0805_2012Metric | R39, R40 |
| 4 | 1k | R_0805_2012Metric | R44, R45, R46, R47 |
| 3 | 2k | R_0805_2012Metric | R49, R50, R51 |
Nerdqaxe+ design files
The KiCad project lives in the shufps/qaxe repository on GitHub; these links point at the commit this page was built from.
Nerdqaxe+: common questions
How big is the Nerdqaxe+ PCB?
The Nerdqaxe+ measures 89 × 152 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Nerdqaxe+?
183 components, from 57 distinct parts. The full bill of materials is listed on this page.
Where can I download the Nerdqaxe+ design files?
From the shufps/qaxe repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Nerdqaxe+ design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which shufps chose for the repository.
