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4 layers115 × 125 mmFSAE BMS, the printed circuit board in 3D

FSAE BMS

JacobParent7/FSAE_LSU_BMS13

Distributed BMS designed for FSAE around the STM32 microcontroller and BQ79616/BQ79614/BQ79612 precision battery monitor, balancer and integrated protector.

Full screenGitHub.kicad_pcb
Size
115 × 125 mm
Copper layers
4
Thickness
1.61 mm
Parts
239
Nets
169
Pads
651
Tracks, vias
1,019, 985
Pours
50
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
22 Sep 2024
Updated
25 Apr 2025

Overview

FSAE BMS is an open-source printed circuit board by JacobParent7, from the JacobParent7/FSAE_LSU_BMS repository on GitHub. It is a 4-layer board of 115 × 125 mm with 239 parts on 169 nets, routed with 1,019 tracks and 985 vias.

It is built around the BQ79600PWRQ1. Its parts include 84 resistors, 78 capacitors, 33 diodes, 8 transistors and 8 connectors. It belongs with the power boards and the STM32 boards of this library.

Main components

1

README

README.md

Motherboard

SENTRY

image

Goal

Develop a distributed Battery Management System (BMS) for LSU FSAE's electric accumulator to be used in 2026 competition, targeting completion by May, 2025. All hardware and firmware development will be documented in this repository.

Contact Info

Motherboard Design

Daughterboard Design

FSAE BMS Design Log

System Level Description

BMS - MOBO drawio

Orion BMS Thermistor Expansion Reverse Engineering

Blank diagram (1)

Parts

239
QtyValueFootprintReferences
2010kResistor_SMD:R_0402_1005MetricR202, R208, R209, R212, R507, R508, R509, R514, R601, R602, R607, R608, R701, R702, R703, R704 +4
180RResistor_SMD:R_0805_2012MetricR516, R517, R518, R519, R520, R521, R522, R523, R524, R525, R526, R527, R613, R614, R615, R616 +2
17100nCapacitor_SMD:C_0402_1005MetricC203, C204, C206, C208, C210, C213, C215, C405, C406, C415, C416, C417, C418, C611, C612, C616 +1
17D_TVSDiode_SMD:D_SOD-323D201, D203, D204, D205, D206, D207, D208, D209, D301, D302, D303, D304, D305, D502, D503, D504 +1
9100kResistor_SMD:R_0402_1005MetricR402, R403, R405, R506, R515, R707, R708, R709, R712
71uCapacitor_SMD:C_0402_1005MetricC212, C214, C301, C613, C615, C618, C620
61uCapacitor_SMD:C_0805_2012MetricC409, C410, C411, C412, C413, C414
622uCapacitor_SMD:C_0805_2012MetricC419, C420, C421, C422, C423, C424
510nCapacitor_SMD:C_0402_1005MetricC211, C401, C402, C501, C502
522RResistor_SMD:R_0402_1005MetricR204, R205, R206, R207, R210
40RResistor_SMD:R_1206_3216MetricR603, R604, R605, R606
4100pCapacitor_SMD:C_0402_1005MetricC503, C504, C505, C506
410uCapacitor_SMD:C_0603_1608MetricC201, C216, C614, C619
410uCapacitor_SMD:C_1206_3216MetricC701, C702, C703, C704
41kResistor_SMD:R_0402_1005MetricR201, R409, R410, R501
420pCapacitor_SMD:C_0402_1005MetricC601, C602, C605, C610
420pfCapacitor_SMD:C_0402_1005MetricC606, C607, C608, C609
42200pCapacitor_SMD:C_0805_2012MetricC509, C510, C511, C512
422RResistor_SMD:R_1206_3216MetricR301, R302, R303, R304
440VDiode_SMD:D_SOD-123D701, D702, D703, D704
4499Resistor_SMD:R_0603_1608MetricR502, R503, R504, R505
451Resistor_SMD:R_1206_3216MetricR510, R511, R512, R513
460.4Resistor_SMD:R_1210_3225MetricR609, R610, R611, R612
4D_TVSDiode_SMD:D_SOD-123D403, D404, D407, D408
4FuseFuse:Fuse_1812_4532MetricF701, F702, F703, F704
4MountingHoleMountingHole:MountingHole_3.2mm_M3H101, H102, H103, H104
4Q_NMOS_GDSPackage_TO_SOT_SMD:TO-263-2Q704, Q705, Q706, Q708
4Q_NPN_BECPackage_TO_SOT_SMD:SOT-23Q701, Q702, Q703, Q707
3GREENLED_SMD:LED_0603_1608MetricD202, D409, D410
21.2uInductor_SMD:L_Chilisin_BMRA00050530L401, L402
2100uCapacitor_SMD:CP_Elec_6.3x5.8C407, C408
210pCapacitor_SMD:C_0402_1005MetricC202, C205
210uInductor_SMD:L_Sunlord_MWSA0603SL403, L404
222.1kResistor_SMD:R_0402_1005MetricR406, R408
2220nCapacitor_SMD:C_0603_1608MetricC507, C513
22u2Capacitor_SMD:C_0603_1608MetricC207, C209
233kResistor_SMD:R_0402_1005MetricR401, R404
23AFuse:Fuse_1206_3216MetricF401, F402
24.7nCapacitor_SMD:C_0402_1005MetricC603, C604
24.7uCapacitor_SMD:C_1206_3216MetricC403, C404
2430450200molex_comm:CON_430450200_MOLJ304, J305
2Conn_01x04_PinConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ301, J302
2D_SchottkyDiode_SMD:D_SMAD405, D406
2D_ZenerDiode_SMD:D_SOD-323D401, D402
2FuseFuse:Fuse_0805_2012MetricF301, F302
2LMR51430Package_TO_SOT_SMD:SOT-23-6U401, U402
2LOGOLOGOG***, G***
2PTCAN1462DRQ1CAN1462:CAN1462U601, U602
2WE-SLMWE-SLM:WE-SLML501, L502
10RResistor_SMD:R_2512_6332MetricR211
10RResistor_SMD:R_0402_1005MetricR203
110nInductor_SMD:L_0402_1005MetricL201
11376357-3IO:13763573J303
116 MhzCrystal:Crystal_SMD_3225-4Pin_3.2x2.5mmY201
1162kResistor_SMD:R_0402_1005MetricR407
12.2kResistor_SMD:R_1206_3216MetricR305
1220nCapacitor_SMD:C_0402_1005MetricC508
1BQ79600PWRQ1BQ79600:BQ79600IC501
1Conn_01x02_PinConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ306
1Conn_ARM_SWD_TagConnect_TC2030Connector:Tag-Connect_TC2030-IDC-FP_2x03_P1.27mm_VerticalJ201
1DM3AT-SF-PEJM5_40_SDIO:SD_CARDJ202
1REDLED_SMD:LED_0603_1608MetricD501
1STM32F205RBTxPackage_QFP:LQFP-64_10x10mm_P0.5mmU201

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Questions

How big is the FSAE BMS PCB?

It measures 115 × 125 mm and has 4 copper layers, 1.61 mm thick.

What parts does the FSAE BMS use?

239 parts, built around the BQ79600PWRQ1. 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 FSAE BMS KiCad files?

From the JacobParent7/FSAE_LSU_BMS repository on GitHub, at the commit this page was made from: the board is MotherBoard/FSAE_BMS.kicad_pcb and its schematic DaughterBoard/BQ79614_bootstrapping.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the FSAE BMS design in my own project?

Its repository states no licence, so its author keeps all rights: ask JacobParent7 before reusing the design.