BLDC FUSION 2020
About the BLDC FUSION 2020 PCB
BLDC FUSION 2020 is an open source STM32 PCB design by koson, published on GitHub. It is a 4-layer board measuring 260 × 115 mm, with 224 components from 90 distinct parts.
Its main chip is the STM32F303K8Tx_copy, from the STM32 family. Other key parts include the LM2576HVS-ADJ_NOPB_NOPB_TO_263_TAB3GND, 4066, LM2596SX-5.0_NOPB, LD1117S33TR_SOT223 and 4052. By type, the board carries 87 resistors, 45 connectors, 31 capacitors, 21 diodes, 14 ICs and 6 transistors.
It belongs with the robotics & motion designs in this gallery.
Main components on the BLDC FUSION 2020
BLDC FUSION 2020 bill of materials (BOM)
224 components, 90 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM2576HVS-ADJ_NOPB_NOPB_TO_263_TAB3GND | TO-263-5_TabPin3 | U1 |
| 3 | 4066 | SOIC-14_3.9x8.7mm_P1.27mm | U2, U3, U5 |
| 1 | LM2596SX-5.0_NOPB | TO-263-5_TabPin3 | U4 |
| 2 | LD1117S33TR_SOT223 | SOT-223-3_TabPin2 | U6, U7 |
| 1 | 4052 | SOIC-16_3.9x9.9mm_P1.27mm | U8 |
| 3 | IRS2186(4)(S)PBF | SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm | U9, U10, U11 |
| 1 | STM32F303K8Tx_copy | DIP-30_W15.24mm | U12 |
| 1 | STM32F732RETx | LQFP-64_10x10mm_P0.5mm | U13 |
| 1 | STM32F732IETx | LQFP-176_24x24mm_P0.5mm | U14 |
| 6 | IRFB3006 | TO-220-3_Horizontal_TabDown | Q1, Q2, Q3, Q4, Q5, Q6 |
| 1 | A_HIGH_MCU | PinHeader_1x01_P2.54mm_Vertical | J1 |
| 1 | A_LOW_MCU | PinHeader_1x01_P2.54mm_Vertical | J2 |
| 1 | B_HIGH_MCU | PinHeader_1x01_P2.54mm_Vertical | J3 |
| 1 | B_LOW_MCU | PinHeader_1x01_P2.54mm_Vertical | J4 |
| 1 | C_HIGH_MCU | PinHeader_1x01_P2.54mm_Vertical | J5 |
| 1 | C_LOW_MCU | PinHeader_1x01_P2.54mm_Vertical | J6 |
| 3 | +5V External | PinHeader_1x01_P2.54mm_Vertical | J7, J10, J27 |
| 1 | I2C_SCL | PinHeader_1x01_P2.54mm_Vertical | J8 |
| 1 | I2C_SDA | PinHeader_1x01_P2.54mm_Vertical | J9 |
| 1 | GND_Extra | PinHeader_1x01_P2.54mm_Vertical | J11 |
Show 70 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | GND_Extra2 | PinHeader_1x01_P2.54mm_Vertical | J12 |
| 1 | Throttle +3.3V | PinHeader_1x01_P2.54mm_Vertical | J13 |
| 1 | Throttle Signal | PinHeader_1x01_P2.54mm_Vertical | J14 |
| 1 | Throttle GND | PinHeader_1x01_P2.54mm_Vertical | J15 |
| 1 | POWER+ | PinHeader_1x01_P2.54mm_Vertical | J16 |
| 1 | Hall +3.3V | PinHeader_1x01_P2.54mm_Vertical | J17 |
| 1 | Con_HALL_A | PinHeader_1x01_P2.54mm_Vertical | J18 |
| 1 | Con_HALL_B | PinHeader_1x01_P2.54mm_Vertical | J19 |
| 1 | Con_HALL_C | PinHeader_1x01_P2.54mm_Vertical | J20 |
| 1 | Hall GND | PinHeader_1x01_P2.54mm_Vertical | J21 |
| 1 | Voltage Sense SGN | PinHeader_1x01_P2.54mm_Vertical | J22 |
| 1 | Voltage Sense GND | PinHeader_1x01_P2.54mm_Vertical | J23 |
| 1 | Con_A_Shunt+ | PinHeader_1x01_P2.54mm_Vertical | J24 |
| 1 | Con_B_Shunt+ | PinHeader_1x01_P2.54mm_Vertical | J25 |
| 1 | Con_C_Shunt+ | PinHeader_1x01_P2.54mm_Vertical | J26 |
| 1 | +3.3V External | PinHeader_1x01_P2.54mm_Vertical | J28 |
| 1 | Phase_A_RAW | PinHeader_1x01_P2.54mm_Vertical | J29 |
| 1 | Phase_B_RAW | PinHeader_1x01_P2.54mm_Vertical | J30 |
| 1 | Phase_C_RAW | PinHeader_1x01_P2.54mm_Vertical | J31 |
| 1 | Phase_A_Zero_Filtered_Start | PinHeader_1x01_P2.54mm_Vertical | J32 |
| 1 | Phase_B_Zero_Filtered_Start | PinHeader_1x01_P2.54mm_Vertical | J33 |
| 1 | Phase_C_Zero_Filtered_Start | PinHeader_1x01_P2.54mm_Vertical | J34 |
| 1 | Phase_A_Zero_Filtered_Normal | PinHeader_1x01_P2.54mm_Vertical | J35 |
| 1 | Phase_B_Zero_Filtered_Normal | PinHeader_1x01_P2.54mm_Vertical | J36 |
| 1 | Phase_C_Zero_Filtered_Normal | PinHeader_1x01_P2.54mm_Vertical | J37 |
| 1 | Con_POWER_+ | Power_Pad_6x6mm | J38 |
| 1 | Con_POWER_GND | Power_Pad_6x6mm | J39 |
| 1 | Connector_A | Power_Pad_6x6mm | J40 |
| 1 | Connector_B | Power_Pad_6x6mm | J41 |
| 1 | Connector_C | Power_Pad_6x6mm | J42 |
| 1 | +15V External | PinHeader_1x01_P2.54mm_Vertical | J43 |
| 1 | FAN_PWR | PinHeader_1x01_P2.54mm_Vertical | J44 |
| 1 | FAN_GND | PinHeader_1x01_P2.54mm_Vertical | J45 |
| 12 | MCP6021-I/P | SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm | OPAMP1, OPAMP2, OPAMP3, OPAMP8, OPAMP9, OPAMP10, OPAMP11, OPAMP12 +4 |
| 4 | MCP6021-I_P | SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm | OPAMP4, OPAMP5, OPAMP6, OPAMP7 |
| 1 | R_POT | Potentiometer_PUMLINPartco | RV1 |
| 1 | SW_DIP_x04 | SW_DIP_SPSTx04_Slide_9.78x12.34mm_W8.61mm_P2.54mm | SW1 |
| 2 | 10A 950mV | D_SMC_Handsoldering | D1, D2 |
| 1 | LED_HALL_BEMF_A | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | LED_A_HIGH | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D4 |
| 1 | LED_A_LOW | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D5 |
| 1 | LED_B_HIGH | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D6 |
| 1 | LED_B_LOW | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D7 |
| 1 | LED_C_HIGH | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D8 |
| 1 | LED_C_LOW | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D9 |
| 1 | LED_HALL_BEMF_B | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D10 |
| 1 | HALL_DATA_CONTROL | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D11 |
| 1 | BEMF_START_DATA_CONTROL | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D12 |
| 1 | BEMF_NORMAL_DATA_CONTROL | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D13 |
| 1 | LED_HALL_BEMF_C | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D14 |
| 3 | D_ALT | D_SMC | D15, D16, D17 |
| 1 | +48V LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D18 |
| 1 | +12V LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D19 |
| 1 | +5V LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D20 |
| 1 | +3V3 LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D21 |
| 1 | 330uH 1.9A | L_Fastron_PISR_Handsoldering | L1 |
| 1 | 33uH 33mOhm | L_Fastron_PISN_Handsoldering | L2 |
| 3 | 1000uF | CP_Radial_D18.0mm_P7.50mm | C1, C2, C3 |
| 9 | 100nF | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C4, C5, C6, C13, C17, C18, C19, C23 +1 |
| 7 | 100uF | CP_Elec_6.3x5.3 | C7, C8, C9, C10, C11, C12, C20 |
| 3 | 10uF | CP_Elec_5x5.3 | C22, C25, C26 |
| 3 | 100uF | CP_Elec_6.3x5.4 | C27, C28, C29 |
| 3 | 1uF | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C30, C31, C32 |
| 3 | 1uF | CP_Elec_4x5.3 | C33, C34, C35 |
| 11 | 100k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R1, R25, R28, R29, R30, R74, R75, R76 +3 |
| 36 | 10k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R2, R3, R4, R5, R6, R7, R8, R9 +28 |
| 23 | 1k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R12, R13, R14, R15, R27, R35, R36, R37 +15 |
| 8 | 0R | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R26, R61, R62, R63, R64, R65, R66, R80 |
| 6 | 100 | R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R52, R53, R54, R55, R56, R57 |
| 3 | 1m | R_2816_7142Metric_Pad3.20x4.45mm_HandSolder | R58, R59, R60 |
BLDC FUSION 2020 design files
The KiCad project lives in the koson/3PhaseMotorDriver repository on GitHub; these links point at the commit this page was built from.
BLDC FUSION 2020: common questions
What microcontroller does the BLDC FUSION 2020 use?
The BLDC FUSION 2020 is built around the STM32F303K8Tx_copy, from the STM32 family.
How big is the BLDC FUSION 2020 PCB?
The BLDC FUSION 2020 measures 260 × 115 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the BLDC FUSION 2020?
224 components, from 90 distinct parts. The full bill of materials is listed on this page.
Where can I download the BLDC FUSION 2020 design files?
From the koson/3PhaseMotorDriver repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the BLDC FUSION 2020 design in my own project?
The repository has no license, so all rights stay with koson. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the BLDC FUSION 2020 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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