4 layers186.9 × 129.8 mm
BLDC 4
ansh1113/e-bike-conversion-kit
A 4-layer PCB-based e-bike conversion kit featuring an STM32-based VESC ESC, power management circuits, wireless throttle, GSM, GPS, and more.
179 parts1
4 layers39.9 × 97.5 mm
BLDC 4
augustbering/besc-hwThis the Hardware for my open source custom ESC.
- Size
- 39.9 × 97.5 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 120
- Nets
- 118
- Pads
- 457
- Tracks, vias
- 1,689, 193
- Pours
- 31
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 7 Nov 2024
- Updated
- 1 Nov 2025
Overview
BLDC 4 is an open-source printed circuit board by augustbering, from the augustbering/besc-hw repository on GitHub. It is a 4-layer board of 39.9 × 97.5 mm with 120 parts on 118 nets, routed with 1,689 tracks and 193 vias.
It is built around the SN65HVD232D and DRV8302. Its parts include 49 capacitors, 48 resistors, 6 transistors, 6 connectors and 5 diodes. It belongs with the robots and motor control boards and the STM32 boards of this library.
Main components
2README
README.mdVESC – Open Source ESC
This the Hardware for my open source custom ESC.
Schematic top level
Layout -made with KiCad!-
3D views
Update: The BOM is no longer available on google docs, it is included in the design folder as an .ods file.
Have a look at this post for a tutorial on how to get started: http://vedder.se/2015/01/vesc-open-source-esc/
VESC Hardware is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/.
Parts
120| Qty | Value | Footprint | References |
|---|---|---|---|
| 17 | 2.2u | CRF1:SMD-0603_c | C10, C11, C12, C13, C14, C16, C17, C18, C20, C23, C24, C26, C31, C35, C41, C401 +1 |
| 9 | 2k2 | CRF1:SMD-0603_r | R4, R11, R12, R13, R22, R24, R27, R33, R801 |
| 8 | 10u,50V | CRF1:SMD-1206 | C1, C8, C9, C37, C40, C43, C44, C49 |
| 7 | 100R | CRF1:SMD-0603_r | R37, R38, R48, R49, R50, R51, R802 |
| 7 | 10k | CRF1:SMD-0603_r | R2, R7, R8, R9, R10, R20, R402 |
| 7 | 39k | CRF1:SMD-0603_r | R3, R23, R26, R30, R32, R36, R46 |
| 6 | 4R7 | CRF1:SMD-0603_r | R28, R29, R34, R35, R42, R43 |
| 6 | IRFS7530 | CRF1:D2PAK-7-GDS | Q1, Q2, Q3, Q4, Q5, Q6 |
| 4 | 100n | CRF1:SMD-0603_c | C2, C3, C27, C32 |
| 4 | 4n7 | CRF1:SMD-0603_c | C4, C5, C6, C7 |
| 3 | 220n | CRF1:SMD-0603_c | C28, C29, C30 |
| 3 | Conn_01x02_Pin | Connector_AMASS:AMASS_XT60-F_1x02_P7.20mm_Vertical | J1, J2, J3 |
| 2 | 100u | w_smd_cap:c_tant_B | C25, C33 |
| 2 | 15p | CRF1:SMD-0603_c | C15, C38 |
| 2 | 2.2n | CRF1:SMD-0603_c | C34, C36 |
| 2 | 22R | CRF1:SMD-0603_r | R103, R104 |
| 2 | C_Polarized | Capacitor_THT:CP_Radial_D13.0mm_P5.00mm | C42, C45 |
| 2 | RED | LEDs:LED-0603 | D2, D3 |
| 2 | SHUNT | CRF1:WSLP2726 | R53, R54 |
| 1 | 10u,63V | CRF1:SMD-1206 | C39 |
| 1 | 120R | CRF1:SMD-0603_r | R401 |
| 1 | 120p | CRF1:SMD-0603_c | C19 |
| 1 | 15k | CRF1:SMD-0603_r | R19 |
| 1 | 15u,100V | w_smd_cap:c_2220 | C51 |
| 1 | 18k | CRF1:SMD-0603_r | R17 |
| 1 | 1M | CRF1:SMD-0603_r | R25 |
| 1 | 220k | CRF1:SMD-0603_r | R21 |
| 1 | 22n | CRF1:SMD-0603_c | C22 |
| 1 | 22u | w_smd_inductors:inductor_smd_8x5mm | L1 |
| 1 | 3k3 | CRF1:SMD-0603_r | R18 |
| 1 | 6.8n | CRF1:SMD-0603_c | C21 |
| 1 | 8MHz 10ppm | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | X2 |
| 1 | Conn_01x02_Pin | august:xt-90 vertical | J4 |
| 1 | Conn_02x16_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x15_P2.54mm_Vertical | J101 |
| 1 | DIODESCH | Diodes_SMD:SMA_Handsoldering | D4 |
| 1 | DRV8302 | CRF1:TSSOP-56-PP | U3 |
| 1 | GREEN | LEDs:LED-0603 | D1 |
| 1 | NTC 10k | CRF1:SMD-0603_r | R1 |
| 1 | R0 | CRF1:SMD-0603_r | R6 |
| 1 | SN65HVD232 | CRF1:SOIC-8-W | U401 |
| 1 | STM32F40X_LQFP64 | CRF1:lqfp64_pad_mod | U1 |
| 1 | TC2117 | CRF1:SOT-223 | U2 |
| 1 | TVS 5V | w_smd_diode:do214ac | D5 |
| 1 | USB_C_Receptacle_USB2.0_16P | Connector_USB:USB_C_Receptacle_GCT_USB4115-03-C | J803 |
Questions
How big is the BLDC 4 PCB?
It measures 39.9 × 97.5 mm and has 4 copper layers, 1.6 mm thick.
What parts does the BLDC 4 use?
120 parts, built around the SN65HVD232D and DRV8302. 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 BLDC 4 KiCad files?
From the augustbering/besc-hw repository on GitHub, at the commit this page was made from: the board is design/BLDC_4.kicad_pcb and its schematic design/BLDC_4.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BLDC 4 design in my own project?
Its repository states no licence, so its author keeps all rights: ask augustbering before reusing the design.
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