Kup lulz
About the Kup lulz PCB
Kup lulz is an open source STM32 PCB design by azonenberg, published on GitHub under the BSD-3-Clause license. It is a 4-layer board measuring 154.5 × 137 mm, with 376 components from 78 distinct parts.
Its main chip is the STM32L431-QFN48, from the STM32 family. Other key parts include the MYMGK1R812ERSR, MYMGK00506ERSR, MYMGK00504ERSR, ECS-1612MV-250-CN and ADP1740ACPZ-1.8-R7. By type, the board carries 162 capacitors, 99 resistors, 40 connectors, 26 test points, 18 ICs and 18 inductors.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
Miscellaneous prototype hardware that wasn't major enough to warrant a dedicated repo
Main components on the Kup lulz
Kup lulz bill of materials (BOM)
376 components, 78 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32L431-QFN48 | QFN_48_0.5MM_7x7MM | U1 |
| 2 | MYMGK1R812ERSR | MODULE_MURATA_MYMGK1R812 | U2, U3 |
| 1 | MYMGK00506ERSR | MODULE_MURATA_MYMGK00504ERSR | U4 |
| 2 | MYMGK00504ERSR | MODULE_MURATA_MYMGK00504ERSR | U5, U7 |
| 1 | ECS-1612MV-250-CN | OSCILLATOR_1.6x1.2 | U6 |
| 1 | ADP1740ACPZ-1.8-R7 | QFN_16_0.65MM_4x4MM | U8 |
| 1 | XILINX_ULTRASCALEPLUS_B676 | BGA_676_27x27_FULLARRAY_1MM_FFG676 | U9 |
| 1 | MT25QU256ABA8E12-0AUT | BGA_24_6x8_DEPOP1_1MM | U10 |
| 3 | 74LVC1T45 | DFN_6_0.5MM_1.6x1.6MM_TI_DPK | U11, U12, U13 |
| 1 | STM32H735-UFBGA176-25 | BGA_201_10x10_DEPOP_0.65MM_OSHPARK | U14 |
| 1 | AT24MAC402 | DFN_8_0.5MM_2x3MM_TALL | U15 |
| 3 | SIT9121AI-2BF-XXS156.250000G | OSCILLATOR_LVDS_3.2x2.5 | U16, U17, U18 |
| 1 | HEATSINK | HEATSINK_WAKEFIELDVETTE_960-27-12-D-AB-0 | M1 |
| 1 | SSM6N58NU | DFN_6_0.65MM_2x2MM_GDS | Q1 |
| 1 | CONN_PCIE_PWR_8PIN | CONN_MOLEX_MINIFITJR_8POS_0039291087 | J1 |
| 1 | CONN_IBC_MGMT | CONN_MOLEX_PICOBLADE_5POS_0532610571 | J2 |
| 2 | CONN_01X03 | CONN_HEADER_2.54MM_1x3_REFLOW | J3, J39 |
| 2 | CORTEX_DEBUG_ETM | CONN_HEADER_1.27MM_2x10_SMT_SAMTEC_FTSH-110-01-L-DV-K | J4, J41 |
| 1 | JUMPER_0402 | EIA_0402_JUMPER | J5 |
| 1 | XILINX_JTAG | XILINX_JTAG_PTH_MOLEX_0878311420 | J6 |
Show 58 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | CONN_SFP_HOST | CONN_SFP+_AMPHENOL_UE76_A10_2000T | J7, J9, J11, J33 |
| 4 | SFP_CAGE | CONN_SFP_CAGE_TE_2007194-1 | J8, J10, J12, J34 |
| 1 | FAN_01 | CONN_MOLEX_KK_0470531000 | J13 |
| 18 | SMPM | CONN_SMPM_AMPHENOL_C925-197J-51PT | J14, J17, J18, J19, J20, J21, J22, J23 +10 |
| 2 | CONN_QSFP_HOST | CONN_ZQSFP+_TE_1551920-2 | J15, J16 |
| 2 | QSFP_CAGE | CONN_ZQSFP+_CAGE_TE_4-2170705-5 | J35, J36 |
| 1 | PMOD_HOST | CONN_HEADER_2.54MM_2x6_RA_PMOD_HOST | J38 |
| 1 | 2A | EIA_0603_CAP_NOSILK | F1 |
| 2 | SWITCH | SWITCH_RAFI_MICON_5 | SW1, SW2 |
| 5 | TESTPOINT | TESTPOINT_SMT_0.5MM | TP1, TP2, TP3, TP4, TP6 |
| 17 | U.FL | CONN_U.FL_TE_1909763-1 | TP5, TP9, TP10, TP11, TP12, TP13, TP14, TP15 +9 |
| 1 | CONN_01X03 | CONN_HEADER_2.54MM_1x3_REFLOW | TP7 |
| 1 | CONN_01X05 | CONN_HEADER_2.54MM_1x5_REFLOW | TP8 |
| 2 | TESTCLIP | TESTPOINT_SMT_KEYSTONE_5016 | TP24, TP25 |
| 5 | GREEN | EIA_0402_LED | D1, D5, D6, D7, D8 |
| 1 | RED | EIA_0402_LED | D2 |
| 2 | SZESD7471N2T5G | SOD882 | D3, D4 |
| 1 | BLM31KN271SH1L | EIA_1206_CAP_NOSILK | FB1 |
| 2 | MI0603J601R-10 | EIA_0603_INDUCTOR_NOSILK | FB2, FB3 |
| 8 | 4.7 uH | EIA_0805_INDUCTOR_NOSILK | L1, L2, L3, L4, L5, L6, L13, L14 |
| 6 | 1 uH | EIA_0805_INDUCTOR_NOSILK | L7, L8, L9, L10, L11, L12 |
| 1 | 2.2 uH | EIA_1210_CAP_NOSILK | L15 |
| 10 | 22 uF 25V | EIA_1812_CAP_NOSILK | C1, C2, C3, C4, C12, C13, C15, C16 +2 |
| 1 | 25SVPF330M | CAP_AL_10MM_SMT | C5 |
| 10 | 220 uF | EIA_1210_CAP_NOSILK | C6, C7, C8, C9, C10, C11, C27, C29 +2 |
| 1 | 10 uF 25V | EIA_1210_CAP_NOSILK | C14 |
| 30 | 0.47 uF | EIA_0402_CAP_NOSILK | C18, C20, C23, C24, C25, C60, C118, C119 +22 |
| 15 | 4.7 uF | EIA_0603_CAP_NOSILK | C21, C28, C32, C40, C41, C59, C125, C127 +7 |
| 47 | 0.1 uF | EIA_0402_CAP_NOSILK | C22, C61, C62, C65, C66, C67, C68, C71 +39 |
| 9 | 100 uF | EIA_1210_CAP_NOSILK | C26, C30, C34, C38, C51, C53, C54, C55 +1 |
| 2 | DNP | EIA_1210_CAP_NOSILK | C35, C37 |
| 10 | 10 uF | EIA_0805_CAP_NOSILK | C36, C47, C48, C49, C50, C52, C58, C111 +2 |
| 1 | DNP | EIA_0402_CAP_NOSILK | C39 |
| 1 | 330 uF | EIA_1210_CAP_NOSILK | C42 |
| 5 | 47 uF | EIA_1210_CAP_NOSILK | C43, C44, C45, C46, C57 |
| 9 | 22 uF | EIA_0805_CAP_NOSILK | C63, C64, C69, C70, C75, C76, C114, C115 +1 |
| 8 | 22 uF | EIA_1210_CAP_NOSILK | C79, C80, C83, C84, C85, C86, C87, C88 |
| 2 | 2.2 uF | EIA_0805_CAP_NOSILK | C124, C128 |
| 1 | 220 pF | EIA_0402_CAP_NOSILK | C155 |
| 6 | 33K | EIA_0402_RES_NOSILK | R1, R13, R59, R93, R98, R99 |
| 1 | 8.06K | EIA_0402_RES_NOSILK | R2 |
| 12 | 10K | EIA_0402_RES_NOSILK | R3, R4, R6, R12, R18, R22, R24, R33 +4 |
| 1 | 24.9k | EIA_0402_RES_NOSILK | R5 |
| 1 | 1.2k | EIA_0402_RES_NOSILK | R7 |
| 1 | 620 | EIA_0402_RES_NOSILK | R8 |
| 1 | 100K | EIA_0402_RES_NOSILK | R9 |
| 3 | 0 | EIA_0402_RES_NOSILK | R10, R11, R23 |
| 21 | 4.7K | EIA_0402_RES_NOSILK | R14, R17, R40, R41, R42, R43, R55, R56 +13 |
| 3 | DNP | EIA_0402_RES_NOSILK | R15, R26, R29 |
| 1 | 2.2k | EIA_0402_RES_NOSILK | R16 |
| 1 | 20k | EIA_0402_RES_NOSILK | R19 |
| 1 | 22 | EIA_0402_RES_NOSILK | R20 |
| 1 | 300 | EIA_0402_RES_NOSILK | R21 |
| 19 | 1K | EIA_0402_RES_NOSILK | R25, R27, R28, R30, R31, R32, R35, R39 +11 |
| 13 | 33 | EIA_0402_RES_NOSILK | R36, R44, R45, R46, R47, R48, R49, R50 +5 |
| 4 | 0.1 | EIA_0402_RES_NOSILK | R62, R69, R76, R84 |
| 8 | 0.5 | EIA_0402_RES_NOSILK | R63, R64, R70, R71, R77, R78, R85, R86 |
| 1 | 100 | EIA_0402_RES_NOSILK | R81 |
Kup lulz design files
The KiCad project lives in the azonenberg/misc-devboards repository on GitHub; these links point at the commit this page was built from.
- Layoutkup-lulz/kup-lulz.kicad_pcb
- Schematickup-lulz/kup-lulz.kicad_sch
Kup lulz: common questions
What microcontroller does the Kup lulz use?
The Kup lulz is built around the STM32L431-QFN48, from the STM32 family.
How big is the Kup lulz PCB?
The Kup lulz measures 154.5 × 137 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Kup lulz?
376 components, from 78 distinct parts. The full bill of materials is listed on this page.
Where can I download the Kup lulz design files?
From the azonenberg/misc-devboards repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Kup lulz design in my own project?
Yes, under the terms of its BSD-3-Clause license, which azonenberg chose for the repository.
Can I test firmware for the Kup lulz without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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