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4 layers89.5 × 85.2 mmSpb bb revb dpt, the printed circuit board in 3D

Spb bb revb dpt

EnesAyaz/KTH

This repository is opened to be archival information for my coming Ph.D studies at KTH.

Full screenGitHub.kicad_pcb
Size
89.5 × 85.2 mm
Copper layers
4
Thickness
1.6 mm
Parts
225
Nets
86
Pads
557
Tracks, vias
481, 1,094
Pours
129
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
22 Mar 2023
Updated
29 Oct 2026

Overview

Spb bb revb dpt is an open-source printed circuit board by EnesAyaz, from the EnesAyaz/KTH repository on GitHub. It is a 4-layer board of 89.5 × 85.2 mm with 225 parts on 86 nets, routed with 481 tracks and 1,094 vias.

It is built around the 2EDF7275K, EPC2361 and BZX384-C5V1, with the PMEG3020EJ among its other parts. Its parts include 86 capacitors, 41 resistors, 21 connectors, 9 inductors and 8 diodes.

Main components

4

README

PCB-Design/hardware/spb-building-block/README.md

SPB building block: KiCad placement

PLACEMENT ONLY. NOT NETTED, NOT ROUTED. DO NOT FABRICATE.

30 x 28.2 mm, 4 layers (2 oz), 2 x EPC2361 per switch in two mirrored cells, centre gate driver (LT8418), 24 x 10 uF 1210 bank + 12 x 1 uF 0805 local MLCCs, split gate resistors (0402), probe pads, busbar contact pads (DC+, DC- top; AC bottom).

The board is generated from the same geometry as the Q3D and Icepak models (simulation/bb_q3d/bb_geometry.py): copper of all four layers is drawn as the graphic shapes used in Q3D (L1 strips and cell islands, L2 DC-, L3 DC+, L4 AC) with the via rows.

File
spb-building-block.kicad_pcbboard (open in KiCad 7)
models/EPC2361 and LT8418 envelope 3D models (VRML)
render_iso.png, render_top.png3D renders from the KiCad board and the footprints' 3D models

Regenerate:

text
"C:\Program Files\KiCad\7.0\bin\python.exe" scripts\make_kicad_bb.py      # board
"C:\Program Files\KiCad\7.0\bin\python.exe" scripts\kicad_dump.py         # board + 3D model references -> JSON
python scripts\render_board.py                                             # 3D renders

KiCad 7 cannot export VRML without its GUI, so the renders are drawn by render_board.py from the board data and the KiCad VRML models. In the KiCad GUI, View > 3D Viewer shows the same board.

Parts

225
QtyValueFootprintReferences
401uF 100V X7Sspb_fab:C_0805_2012Metric_TightCrtYdC1, C2, C3, C10, C11, C12, C26, C27, C28, C29, C30, C31, C32, C33, C34, C35 +24
2022uF 100V X7S 2220spb_fab:C_2220_5750Metric_TightCrtYdC67, C68, C69, C70, C71, C72, C73, C74, C75, C76, C77, C78, C79, C80, C81, C82 +4
9WE-CNSW 744232601spb_fab:L_CommonMode_Wurth_WE-CNSW-1206L1, L2, L3, L4, L5, L6, L7, L8, L9
81uF 25V X7R 0603Capacitor_SMD:C_0603_1608MetricC13, C14, C15, C16, C46, C47, C48, C49
84.7uF 16V X5R 0603Capacitor_SMD:C_0603_1608MetricC21, C22, C24, C25, C54, C55, C57, C58
8EPC2361epc2361-cell:EPC2361Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8
4100pF C0G 0603Capacitor_SMD:C_0603_1608MetricC17, C18, C50, C51
4150R 1% 0603 (bias, <= 82 mW)Resistor_SMD:R_0603_1608MetricR14, R15, R33, R34
44.7uF 25V X7R 0805Capacitor_SMD:C_0805_2012MetricC20, C23, C53, C56
4BZX384-C5V1Diode_SMD:D_SOD-323D3, D4, D7, D8
4DNP 0R (V_GS HS, fit to use the U.FL)Resistor_SMD:R_0603_1608MetricR16, R18, R35, R37
4DNP 0R (V_GS LS, fit to use the U.FL)Resistor_SMD:R_0603_1608MetricR17, R19, R36, R38
4M2.5 insulatedMountingHole:MountingHole_2.7mm_M2.5H1, H2, H3, H4
4PMEG3020EJDiode_SMD:D_SOD-323FD1, D2, D5, D6
4UFCS-R001spb_fab:PMK_UFCS_R001_short_INRS1, RS2, RS3, RS4
20R (R_OFF,A)Resistor_SMD:R_0603_1608MetricR8, R27
20R (R_OFF,B)Resistor_SMD:R_0603_1608MetricR10, R29
20R5 1% (R_G HL)Resistor_SMD:R_0603_1608MetricR1, R20
20R5 1% (R_G HR)Resistor_SMD:R_0603_1608MetricR2, R21
20R5 1% (R_G LL)Resistor_SMD:R_0603_1608MetricR4, R23
20R5 1% (R_G LR)Resistor_SMD:R_0603_1608MetricR5, R24
210k 1% (HS gate pull-down)Resistor_SMD:R_0402_1005MetricR3, R22
210k 1% (LS gate pull-down)Resistor_SMD:R_0402_1005MetricR6, R25
21R5 1% (R_ON,A)Resistor_SMD:R_0603_1608MetricR7, R26
21R5 1% (R_ON,B)Resistor_SMD:R_0603_1608MetricR9, R28
222nF 25V X7R 0603Capacitor_SMD:C_0603_1608MetricC19, C52
22EDF7275Kspb_fab:2EDF7275K_PG-TFLGA-13-4U1, U2
23k 1% (RVDDI)Resistor_SMD:R_0603_1608MetricR13, R32
247R 1% (INA)Resistor_SMD:R_0603_1608MetricR11, R30
247R 1% (INB)Resistor_SMD:R_0603_1608MetricR12, R31
268k 1206 (HV LED)Resistor_SMD:R_1206_3216MetricR39, R40
2BLM18PG221SN1 (220 R @ 100 MHz)Inductor_SMD:L_0603_1608MetricFB1, FB2
2V_ISO,HS in: 1 +, 2 -Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ3, J12
2V_ISO,LS in: 1 +, 2 -Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ4, J13
1+12V1spb_fab:TestPoint_Pad_D1.0mmTP2
1+12V2spb_fab:TestPoint_Pad_D1.0mmTP20
1100k 1206 (bleeder)Resistor_SMD:R_1206_3216MetricR41
1ACspb_fab:AC_BOLT_M6J21
1CTRL1: 1 RTN 2 PWMH 3 RTN 4 PWML 5 RTN 6 DIS 7 RTN 8 12V 9 RTN 10 NTCspb_fab:PinHeader_2x05_P2.54mm_Vertical_SMDJ5
1CTRL2: 1 RTN 2 PWMH 3 RTN 4 PWML 5 RTN 6 DIS 7 RTN 8 12V 9 NC 10 NCspb_fab:PinHeader_2x05_P2.54mm_Vertical_SMDJ14
1DC+spb_fab:TestPoint_Keystone5000_Adafruit3825TP45
1DC+TerminalBlock_Wuerth:Wuerth_REDCUBE-THR_WP-THRBU_74650174_THRJ1
1DC-TerminalBlock_Wuerth:Wuerth_REDCUBE-THR_WP-THRBU_74650174_THRJ2
1DC-spb_fab:TestPoint_Keystone5000_Adafruit3825TP46
1DIS2spb_fab:TestPoint_Pad_D1.0mmTP24
1GNDI1spb_fab:TestPoint_Pad_D1.0mmTP1
1GNDI2spb_fab:TestPoint_Pad_D1.0mmTP19
1INA1spb_fab:TestPoint_Pad_D1.0mmTP4
1INA2spb_fab:TestPoint_Pad_D1.0mmTP22
1KH1spb_fab:TestPoint_Pad_D1.0mmTP9
1KH2spb_fab:TestPoint_Keystone5000_Adafruit3825TP27
1KL1spb_fab:TestPoint_Keystone5000_Adafruit3825TP13
1KL2spb_fab:TestPoint_Pad_D1.0mmTP31
1MMCX VDS L1spb_fab:WR-MMCX_Wuerth_66012102111404_VerticalJ6
1MMCX VDS L2spb_fab:WR-MMCX_Wuerth_66012102111404_VerticalJ9
1MMCX VDS L3spb_fab:WR-MMCX_Wuerth_66012102111404_VerticalJ15
1MMCX VDS L4spb_fab:WR-MMCX_Wuerth_66012102111404_VerticalJ18
1NTC 10k B3380 0603Resistor_SMD:R_0603_1608MetricRT1
1SWspb_fab:TestPoint_Keystone5000_Adafruit3825TP47
1U.FL H1spb_fab:U.FL_Hirose_U.FL-R-SMT-1_VerticalJ7
1U.FL H2spb_fab:U.FL_Hirose_U.FL-R-SMT-1_VerticalJ10
1U.FL H3spb_fab:U.FL_Hirose_U.FL-R-SMT-1_VerticalJ16
1U.FL H4spb_fab:U.FL_Hirose_U.FL-R-SMT-1_VerticalJ19
1U.FL L1spb_fab:U.FL_Hirose_U.FL-R-SMT-1_VerticalJ8
1U.FL L2spb_fab:U.FL_Hirose_U.FL-R-SMT-1_VerticalJ11
1U.FL L3spb_fab:U.FL_Hirose_U.FL-R-SMT-1_VerticalJ17
1U.FL L4spb_fab:U.FL_Hirose_U.FL-R-SMT-1_VerticalJ20
1VDDA1spb_fab:TestPoint_Keystone5000_Adafruit3825TP7
1VDDA2spb_fab:TestPoint_Keystone5000_Adafruit3825TP25
1VDDB1spb_fab:TestPoint_Keystone5000_Adafruit3825TP11
1VDDB2spb_fab:TestPoint_Keystone5000_Adafruit3825TP29
1VDDI1spb_fab:TestPoint_Pad_D1.0mmTP3
1VDDI2spb_fab:TestPoint_Pad_D1.0mmTP21
1VDS Q1spb_fab:TestPoint_Spring_1.0_GND1.5-6.0TP38
1VDS Q2spb_fab:TestPoint_Spring_1.0_GND1.5-6.0TP40
1VDS Q3spb_fab:TestPoint_Spring_1.0_GND1.5-6.0TP37
1VDS Q5spb_fab:TestPoint_Spring_1.0_GND1.5-6.0TP42
1VDS Q6spb_fab:TestPoint_Spring_1.0_GND1.5-6.0TP44
1VDS Q7spb_fab:TestPoint_Spring_1.0_GND1.5-6.0TP41
1VEEA1spb_fab:TestPoint_Keystone5000_Adafruit3825TP8

The 213 most common of 225 parts.

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Questions

How big is the Spb bb revb dpt PCB?

It measures 89.5 × 85.2 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Spb bb revb dpt use?

225 parts, built around the 2EDF7275K, EPC2361, BZX384-C5V1 and PMEG3020EJ. 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 Spb bb revb dpt KiCad files?

From the EnesAyaz/KTH repository on GitHub, at the commit this page was made from: the board is PCB-Design/hardware/spb-bb-revb-dpt/spb-bb-revb-dpt.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Spb bb revb dpt design in my own project?

Its repository states no licence, so its author keeps all rights: ask EnesAyaz before reusing the design.