Bldc
About the Bldc PCB
Bldc is an open source PCB design by SJSURoboticsTeam, published on GitHub. It is a 4-layer board measuring 50 × 45 mm, with 82 components from 43 distinct parts.
Other key parts include the LF33CPT-TR, AMS1117-5.0, SN65HVD230, DRV8300DPW and INA169. By type, the board carries 30 resistors, 18 capacitors, 9 ICs, 9 connectors, 7 diodes and 6 transistors.
It belongs with the robotics & motion designs in this gallery.
From the project
The 2024 - 2026 rover electrical monorepo
This is the repository for the SJSU Robotics Club Electrical team repository from 2024-2026.
Main components on the Bldc
Bldc bill of materials (BOM)
82 components, 43 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LF33CPT-TR | TO-252-4 | U1 |
| 1 | AMS1117-5.0 | SOT-223-3_TabPin2 | U2 |
| 1 | SN65HVD230 | SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | DRV8300DPW | TSSOP-20_4.4x6.5mm_P0.65mm | U4 |
| 3 | INA169 | SOT-23-5 | U5, U6, U8 |
| 1 | LSF0102DCUR | VSSOP-8_2.3x2mm_P0.5mm | U7 |
| 1 | ~ | SOT-23-6 | U9 |
| 6 | NTMFS016N06CT1G | PQFN-8-EP_6x5mm_P1.27mm_Generic | Q1, Q2, Q3, Q4, Q5, Q6 |
| 1 | MOTOR | Wuerth_WR-TBL_691137710003_1x03_P5mm | J1 |
| 1 | Phoenix | Pluggable_Terminal_2.54mm_2P_Horizontal | J2 |
| 1 | XT-30 | AMASS_XT30PW-M_1x02_P2.50mm_Horizontal | J3 |
| 1 | USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J4 |
| 1 | MicroMod | micromod | J5 |
| 2 | I2C | Pluggable_Terminal_2.54mm_4P_Horizontal | J6, J9 |
| 1 | Conn_01x02 | Pluggable_Terminal_2.54mm_2P_Horizontal | J7 |
| 1 | Quadrature | Pluggable_Terminal_2.54mm_4P_Horizontal | J8 |
| 1 | 5A | Fuseholder_Littelfuse_Nano2_154x | F1 |
| 1 | ADDRESS | SW_DIP_SPSTx06_Slide_6.7x16.8mm_W6.73mm_P2.54mm_LowProfile_JPin | SW1 |
| 1 | BLUE | LED_0603_1608Metric | D1 |
| 1 | RED | LED_0603_1608Metric | D2 |
Show 23 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | D | D_SMA | D3, D4 |
| 3 | 3V3 | D_SOD-523 | D5, D6, D7 |
| 1 | L | L_Taiyo-Yuden_NR-50xx | L1 |
| 4 | 2.2uF | C_0603_1608Metric | C1, C2, C15, C16 |
| 1 | 22uF | CP_Radial_D5.0mm_P2.00mm | C3 |
| 1 | 1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4 |
| 5 | 100nF | C_0603_1608Metric | C5, C8, C11, C12, C17 |
| 3 | 0.1uF | C_0603_1608Metric | C6, C9, C13 |
| 3 | TBD | C_0603_1608Metric | C7, C10, C14 |
| 1 | 22uF | CP_EIA-3528-15_AVX-H | C18 |
| 1 | 1.8k | R_0603_1608Metric | R1 |
| 1 | 68 | R_0603_1608Metric | R2 |
| 2 | 5.1k | R_0603_1608Metric | R3, R4 |
| 1 | 100 | R_0603_1608Metric | R5 |
| 2 | 10k | R_0603_1608Metric | R6, R9 |
| 2 | 0 | R_0603_1608Metric | R7, R8 |
| 6 | 10 | R_0603_1608Metric | R10, R11, R14, R15, R23, R24 |
| 3 | 10m | R_2512_6332Metric | R12, R16, R25 |
| 3 | 82k | R_0603_1608Metric | R13, R17, R26 |
| 5 | 200k | R_0603_1608Metric | R18, R19, R20, R21, R22 |
| 1 | 330k | R_0603_1608Metric | R27 |
| 1 | 22k | R_0603_1608Metric | R28 |
| 2 | 10k | R_Array_Convex_4x1206 | RN1, RN2 |
Bldc design files
The KiCad project lives in the SJSURoboticsTeam/urc-electrical-2026 repository on GitHub; these links point at the commit this page was built from.
- Layoutbldc/bldc.kicad_pcb
- Schematicbldc/bldc.kicad_sch
Bldc: common questions
How big is the Bldc PCB?
The Bldc measures 50 × 45 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Bldc?
82 components, from 43 distinct parts. The full bill of materials is listed on this page.
Where can I download the Bldc design files?
From the SJSURoboticsTeam/urc-electrical-2026 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Bldc design in my own project?
The repository has no license, so all rights stay with SJSURoboticsTeam. Use it as a reference, and ask the author before reusing the design.
More boards in urc-electrical-2026
HUB RevA
86.9 × 91.9 mm103 parts4LNo license1
TestBoard
84.2 × 93 mm83 parts4LNo license1
Science
107 × 63 mm78 parts2LNo license1
Main arm
80 × 60 mm52 parts2LNo license1
Drive
85 × 50 mm49 parts4LNo license1
HUB
159.2 × 93 mm45 parts4LNo license1
E-Stop
84.5 × 84.5 mm35 parts2LNo license1
Finalhand
61.1 × 40.4 mm26 parts4LNo license1
AVR/Arduino40Vservo
20 × 20 mm21 parts4LNo license1
Raspberry PiPiHat
65 × 56.5 mm12 parts4LNo license1
BatteryAmp
41 × 13 mm11 parts2LNo license1
Similar boards
Stack chan
stack-chan
50 × 50 mm33 parts2LApache-2.01.7k
Cube batteryboard
willem-pennings
95 × 95 mm4 parts2LGPL-3.01.1k
Mesabob
rene-dev
87.5 × 50 mm44 parts2LGPL-3.0979
Bob
100 × 100 mm140 parts2LGPL-3.0979
Triple adapter
57 × 75 mm26 parts2LGPL-3.0979
Trollerv2
100 × 75 mm33 parts4LGPL-3.0979