4 layers65 × 65 mm
2 layers105.1 × 55.3 mm
Stores the KiCAD PCB files for Qubo
- Size
- 105.1 × 55.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 111
- Nets
- 144
- Pads
- 392
- Tracks, vias
- 512, 39
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 22 Nov 2025
- Updated
- 29 Oct 2026
Overview
BMS 1 is an open-source printed circuit board by lbrosnan1, from the lbrosnan1/quboElectrical repository on GitHub. It is a 2-layer board of 105.1 × 55.3 mm with 111 parts on 144 nets, routed with 512 tracks and 39 vias.
It is built around the ATA6561-GAQW-N, TPS62175DQCR and TLV70430DBVR-TD, with the BAV16W and CSD17327Q5A among its other parts. Its parts include 46 resistors, 25 capacitors, 10 diodes, 8 transistors and 7 connectors. It belongs with the power boards and the STM32 boards of this library.
Main components
5
ATA6561-GAQW-N
SOIC-8-40℃~+150℃ 12uA 4.5V~5.5V 5Mbps 70mA CAN Transceiver SOIC-8 CAN Transceivers ROHSMicrochip TechnologyCAN Transceivers
TPS62175DQCR
WSON-10-EP(2x3)-40℃~+85℃@(TA) 1 1MHz 1V~6V 22uA 4.75V~28V 500mA Adjustable Buck Buck Built-in Yes WSON-10-EP(2x3) DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
TLV70430DBVR-TD
SOT-23-5-40℃~+85℃ 1 1.5uA 150mA 30V 30mV@(1mA) 3V Fixed Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTDSEMICVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
BAV16W
SOD-123-55℃~+150℃ 1 Independent 1.25V@150mA 1uA@75V 2A 300mA 85V SOD-123 Diodes - General Purpose ROHSDiodes IncorporatedDiodes - General Purpose
CSD17327Q5A
VSONP-8(5x6)-55℃~+150℃ 1 N-channel 1.6V 2.8nC@4.5V 30V 33pF 343pF 3W 506pF 65A 9.9mΩ@8V N-Channel VSONP-8(5x6) MOSFETs ROHSTexas InstrumentsMOSFETs
Parts
111| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 100 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11, R12, R13, R29, R33, R35, R37, R61, R62, R64, R66, R71, R72, R74, R76 |
| 8 | 0.22uF | Capacitor_SMD:C_0603_1608Metric | C14, C16, C28, C29, C35, C36, C37, C38 |
| 7 | 10K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R30, R34, R36, R63, R65, R73, R75 |
| 7 | 5.1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R18, R19, R20, R22, R23, R24, R25 |
| 6 | 25 | Resistor_SMD:R_1206_3216Metric | R47, R49, R57, R58, R67, R68 |
| 6 | BAV16W | Diode_SMD:D_SOD-523 | D1, D6, D10, D11, D12, D13 |
| 6 | NMOS | Package_TO_SOT_SMD:SOT-23_Handsoldering | Q4, Q5, Q9, Q10, Q11, Q12 |
| 5 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C20, C23, C24, C25, C26 |
| 3 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5, C6, C7 |
| 2 | 0.004 | Resistor_SMD:R_2512_6332Metric | R8, R9 |
| 2 | 100pF | Capacitor_SMD:C_0603_1608Metric | C18, C21 |
| 2 | 10M | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R17, R21 |
| 2 | 16V MMSZ5246B-7-F | Diode_SMD:D_SOD-123 | D3, D5 |
| 2 | 1K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R26, R27 |
| 2 | 4.7k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R14, R15 |
| 2 | CSD17327Q5A | Package_TO_SOT_SMD:TDSON-8-1 | Q2, Q3 |
| 2 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1, J9 |
| 2 | Thermistor_NTC_US | custom_components:THRMC1608X95N | TH1, TH2 |
| 1 | 0.1uF | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C42 |
| 1 | 0.47uF | Capacitor_SMD:C_0603_1608Metric | C15 |
| 1 | 100V | Diode_SMD:D_SOD-123 | D4 |
| 1 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | T_Cd2 |
| 1 | 100nF | Capacitor_SMD:C_0603_1608Metric | T_Cd1 |
| 1 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | BOOT_R1 |
| 1 | 10uH | Inductor_SMD:L_Coilcraft_XxL4040 | L2 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric | C43 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Bulk_1 |
| 1 | 2.2uF | Capacitor_SMD:C_1206_3216Metric | C17 |
| 1 | 2.2uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C22 |
| 1 | 2.2uF | Capacitor_SMD:C_0402_1005Metric | C32 |
| 1 | 22uF | Capacitor_SMD:C_0603_1608Metric | Bulk_22 |
| 1 | 22uF | Capacitor_SMD:C_0402_1005Metric | C33 |
| 1 | 2M | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R32 |
| 1 | 3.5K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R31 |
| 1 | 4.7uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Bulk_4.7 |
| 1 | 5.1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R16 |
| 1 | ATA6561-GAQW-N | custom_components:SOIC8_4P9X3P9MC_MCH | U6 |
| 1 | BAV16W | Diode_SMD:D_SOD-123 | D2 |
| 1 | Conn_01x02 | Connector_AMASS:AMASS_XT30UPB-F_1x02_P5.0mm_Vertical | J4 |
| 1 | Conn_01x02 | Connector_AMASS:AMASS_XT30UPB-M_1x02_P5.0mm_Vertical | J3 |
| 1 | Conn_01x02 | Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J6 |
| 1 | Conn_01x03 | custom_components:slide_switch_EGER1218_Thruster | J8 |
| 1 | Conn_01x07 | Connector_JST:JST_XH_S7B-XH-A-1_1x07_P2.50mm_Horizontal | J5 |
| 1 | NetTie_2 | NetTie:NetTie-2_THT_Pad1.0mm | NT1 |
| 1 | PBQ76942PFBT | custom_components:PFB0048A_L | U1 |
| 1 | STM32G0B1RETx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U5 |
| 1 | TLV70430DBVR | custom_components:DBV0005A_L | U2 |
| 1 | TPS62175DQCR | Package_SON:WSON-10-1EP_2x3mm_P0.5mm_EP0.84x2.4mm_ThermalVias | U7 |
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Questions
How big is the BMS 1 PCB?
It measures 105.1 × 55.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the BMS 1 use?
111 parts, built around the ATA6561-GAQW-N, TPS62175DQCR, TLV70430DBVR-TD and BAV16W. 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 BMS 1 KiCad files?
From the lbrosnan1/quboElectrical repository on GitHub, at the commit this page was made from: the board is Cards/BMS Card/BMS_1/BMS_1.kicad_pcb and its schematic Cards/BMS Card/BMS_1/BMS_1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BMS 1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask lbrosnan1 before reusing the design.