Pump board
About the Pump board
Pump board is an open source RP2040/RP2350 PCB design by TrendBit, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 90 × 100 mm, with 181 components from 49 distinct parts.
Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the AT24C256, REF3033, W25Q128JVS, AMS1117-3.3 and SRV05-4. By type, the board carries 59 capacitors, 53 resistors, 20 inductors, 17 diodes, 15 ICs and 8 connectors.
From the project
Design file for SMBR hardware modules in KiCAD.
Main components on the Pump board
Pump board bill of materials (BOM)
181 components, 49 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AT24C256 | SOIC-8_3.9x4.9mm_P1.27mm | U401 |
| 1 | REF3033 | SOT-23 | U403 |
| 1 | RP2040 | QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U404 |
| 1 | W25Q128JVS | SOIC-8_5.3x5.3mm_P1.27mm | U405 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U501 |
| 2 | SRV05-4 | SOT-23-6 | U601, U602 |
| 4 | DRV8870DDA | Texas_HTSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.95x4.9mm_Mask2.4x3.1mm_ThermalVias | U701, U802, U803, U804 |
| 1 | SN65HVD230 | SOIC-8_3.9x4.9mm_P1.27mm | U801 |
| 1 | SN74LVC1G14DBV | SOT-23-5 | U1202 |
| 1 | SN74LVC1T45DBV | SOT-23-6 | U1203 |
| 1 | ADS1115IDGS | TSSOP-10_3x3mm_P0.5mm | U1301 |
| 2 | AO4435 | SOIC-8_3.9x4.9mm_P1.27mm | Q501, Q502 |
| 1 | 12MHz | Crystal_SMD_Abracon_ABM8G-4Pin_3.2x2.5mm | Y401 |
| 1 | 1744426-2 SATA07-250B | HYC_HYCW02-SATA07-250B_Horizontal_THT | J1 |
| 1 | DC-044A-A200 | Barrel_Jack_DC-044A-A250 | J501 |
| 1 | U263-163N-4BLS1735 | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J602 |
| 4 | DF3A-03P-2DSA | Hirose_DF3A-03P-2DSA_1x03_P2.00mm_Vertical | J701, J802, J803, J804 |
| 1 | SATA07-250B | HYC_HYCW02-SATA07-250B_Horizontal_THT | J801 |
| 1 | 2A | Fuse_1206_3216Metric | F501 |
| 2 | TS-1187A-B-A-B | SW_SPST_TL3342 | SW401, SW402 |
Show 29 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DS-01R | SW_DIP_SPSTx01_Slide_9.78x4.72mm_W7.62mm_P2.54mm | SW403 |
| 1 | TC-6615-9.5-260G | SW_Tactile_SPST_Angled_PTS645Vx58-2LFS | SW1201 |
| 1 | 10k, 3950b | L_0603_1608Metric | TH1601 |
| 4 | RED | LED_0603_1608Metric | D401, D402, D403, D602 |
| 1 | WS2812B | WS2812B_2.0x4.0mm_Side_view | D404 |
| 1 | GREEN | LED_0603_1608Metric | D405 |
| 4 | LED | LED_LiteOn_LTST_S270_0603_Side | D406, D407, D408, D409 |
| 3 | SS34 | D_SMA | D501, D504, D505 |
| 1 | MM5Z5V1 | D_SOD-523 | D502 |
| 1 | SMBJ13CA | D_SMB | D503 |
| 1 | B5817W | D_SOD-123 | D601 |
| 1 | PSM712-LF-T7 | SOT-23 | D801 |
| 20 | 120R@100MHz | L_0603_1608Metric | FB401, FB501, FB502, FB503, FB601, FB701, FB702, FB703 +12 |
| 29 | 100nF | C_0603_1608Metric | C401, C403, C404, C405, C410, C411, C412, C413 +21 |
| 15 | 1uF | C_0603_1608Metric | C402, C408, C409, C416, C418, C508, C509, C701 +7 |
| 2 | 10pF | C_0603_1608Metric | C406, C407 |
| 8 | 10uF/25V | CP_Elec_4x5.4 | C502, C504, C507, C510, C705, C807, C812, C817 |
| 5 | 10nF | C_0603_1608Metric | C704, C801, C806, C811, C816 |
| 2 | 10K 100k | R_0603_1608Metric | R1, R3 |
| 1 | 100K 100k | R_0603_1608Metric | R2 |
| 1 | 10R 100k | R_0603_1608Metric | R4 |
| 5 | 5.1k | R_0603_1608Metric | R401, R402, R602, R603, R1601 |
| 9 | 270R | R_0603_1608Metric | R403, R408, R410, R411, R412, R423, R424, R604 +1 |
| 16 | 1k | R_0603_1608Metric | R404, R405, R413, R419, R701, R702, R803, R804 +8 |
| 7 | 10k | R_0603_1608Metric | R407, R409, R420, R502, R503, R505, R1201 |
| 6 | 22R | R_0603_1608Metric | R414, R415, R417, R418, R421, R422 |
| 1 | 100k | R_0603_1608Metric | R501 |
| 1 | 0R | R_0603_1608Metric | R601 |
| 4 | 100mR/0.5W | R_1210_3225Metric | R703, R806, R809, R812 |
Pump board design files
The KiCad project lives in the TrendBit/SMBR-hardware repository on GitHub; these links point at the commit this page was built from.
Pump board: common questions
What microcontroller does the Pump board use?
The Pump board is built around the RP2040, from the RP2040/RP2350 family.
How big is the Pump board?
The Pump board measures 90 × 100 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Pump board?
181 components, from 49 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Pump board design files?
From the TrendBit/SMBR-hardware repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Pump board design in my own project?
Yes, under the terms of its GPL-3.0 license, which TrendBit chose for the repository.
Can I test firmware for the Pump board without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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