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2 layers73.4 × 117.4 mmLTC6812-15W, the printed circuit board in 3D

LTC6812-15W

UCDFS/Circuits1

KiCad projects and PCB designs for UCDFS electronic circuits.

Size
73.4 × 117.4 mm
Copper layers
2
Thickness
1.6 mm
Parts
252
Nets
269
Pads
714
Tracks, vias
1,384, 64
Pours
2
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
11 Sep 2025
Updated
12 Oct 2026

Overview

LTC6812-15W is an open-source printed circuit board by UCDFS, from the UCDFS/Circuits repository on GitHub. It is a 2-layer board of 73.4 × 117.4 mm with 252 parts on 269 nets, routed with 1,384 tracks and 64 vias.

It is built around the PDZ7.5B, 1N4148W-7-F-CN and HM2102NL, with the VLMTG1400-GS08 among its other parts. Its parts include 110 resistors, 34 fuses, 33 capacitors, 32 transistors and 23 diodes.

Main components

4

README

README.md

UCDFS Circuits Repository

Welcome to the University College Dublin Formula Student (UCDFS) KiCad circuits repository! This is the central location for all our electronic circuit designs, schematics, and PCB layouts.

About

This repository contains KiCad project files for various electronic circuits used in our Formula Student vehicle and projects. All designs are created using KiCad, an open-source electronic design automation (EDA) suite.

Getting Started

  1. Clone this repository:

    bash
    git clone https://github.com/UCDFS/Circuits.git
    cd Circuits
  2. Open a project in KiCad:

    • Launch KiCad
    • Open the .kicad_pro file for the project you want to work on
    • The schematic (.kicad_sch) and PCB layout (.kicad_pcb) will be accessible from the project manager
  3. View/Edit Schematics:

    • Click "Schematic Editor" in KiCad's main window
    • Or directly open the .kicad_sch file
  4. View/Edit PCB Layout:

    • Click "PCB Editor" in KiCad's main window
    • Or directly open the .kicad_pcb file

Repository Structure

text
├── README.md                     # This file
├── .gitignore                    # Git ignore rules for KiCad projects
└── [Project Name]/               # Individual circuit projects
    ├── [Project].kicad_pro       # KiCad project file
    ├── [Project].kicad_sch       # Schematic file
    └── [Project].kicad_pcb       # PCB layout file

Contributing

When contributing new circuits or modifications:

  1. Create a new branch for your work
  2. Organize projects in clearly named directories
  3. Follow naming conventions: Use descriptive names for projects and files
  4. Include all necessary files: Ensure .kicad_pro, .kicad_sch, and .kicad_pcb files are included
  5. Document your work: Add project details to a README in each circuit subfolder

Parts

252
QtyValueFootprintReferences
38100Resistor_SMD:R_0805_2012MetricR1, R3, R15, R19, R23, R27, R31, R35, R39, R43, R47, R51, R55, R59, R63, R67 +22
3450mAFuse:Fuse_1206_3216MetricF1, F3, F11, F13, F15, F18, F20, F22, F24, F26, F28, F30, F32, F34, F35, F37 +18
303.3kResistor_SMD:R_0508_1220MetricR14, R18, R22, R26, R30, R100, R101, R102, R103, R104, R105, R106, R107, R108, R109, R110 +14
19100nCapacitor_SMD:C_0603_1608MetricC1, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24 +3
1522Resistor_SMD:R_2512_6332MetricR13, R17, R21, R25, R29, R33, R37, R41, R45, R49, R53, R57, R61, R65, R69
152N7002Package_TO_SOT_SMD:SOT-23Q18, Q19, Q20, Q21, Q22, Q23, Q24, Q25, Q26, Q27, Q28, Q29, Q30, Q31, Q32
15680Resistor_SMD:R_0603_1608MetricR11, R12, R16, R20, R24, R28, R32, R36, R40, R44, R48, R52, R56, R60, R64
15PDZ7.5BDiode_SMD:D_SOD-323D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19
15TSM2323Package_TO_SOT_SMD:SOT-23Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q16
101uFCapacitor_SMD:C_0603_1608MetricC2, C3, C5, C6, C7, C26, C27, C29, C30, C31
40Resistor_SMD:R_0603_1608MetricR6, R7, R79, R80
41.2kResistor_SMD:R_0603_1608MetricR5, R10, R78, R83
4100pCapacitor_SMD:C_0603_1608MetricC8, C9, C32, C33
41N4148WDiode_SMD:D_SOD-123D1, D2, D20, D21
21MResistor_SMD:R_0603_1608MetricR4, R77
233Resistor_SMD:R_0603_1608MetricFB1, FB2
2806Resistor_SMD:R_0603_1608MetricR2, R75
2Conn_01x08Connector_Molex:Molex_PicoBlade_53048-0810_1x08_P1.25mm_HorizontalJ4, J5
2DZTT5551Package_TO_SOT_SMD:SOT-223Q1, Q17
2HM2102NLENNOID:HM2102NLTR1, TR2
2LEDLED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolderD4, D23
2LOGOLOGOG***, G***
2LTC6812-1ENNOID:TQFP-64-1EP_10x10mm_P0.5mm_EP8x8mmU1, U2
2MMSZ5268BT1GDiode_SMD:D_SOD-123D3, D22
2SensorsConnector_Molex:Molex_PicoBlade_53048-1510_1x15_P1.25mm_HorizontalJ3, J6
1PA MA 1Connector_Molex:Molex_PicoBlade_53048-0210_1x02_P1.25mm_HorizontalJ11
1PA MA 2Connector_Molex:Molex_PicoBlade_53048-0210_1x02_P1.25mm_HorizontalJ2
1PB MB 1Connector_Molex:Molex_PicoBlade_53048-0210_1x02_P1.25mm_HorizontalJ10
1PB MB 2Connector_Molex:Molex_PicoBlade_53048-0210_1x02_P1.25mm_HorizontalJ1

The 248 most common of 252 parts.

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Questions

How big is the LTC6812-15W PCB?

It measures 73.4 × 117.4 mm and has 2 copper layers, 1.6 mm thick.

What parts does the LTC6812-15W use?

252 parts, built around the PDZ7.5B, 1N4148W-7-F-CN, HM2102NL and VLMTG1400-GS08. 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 LTC6812-15W KiCad files?

From the UCDFS/Circuits repository on GitHub, at the commit this page was made from: the board is Kieran Care package/ENNOID_BMS - Slave/LTC6812-15W.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the LTC6812-15W design in my own project?

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