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STD Lepton v2 BLDC SimpleFOC Driver
License: CERN Open Hardware License
Mode: Editors' pick
- 0
Update time：
2022-09-30 16:08:18
Creation time：
2022-09-04 19:13:09
Description
Features:
30mm X 40mm
2-layer
30V / 80A (170A peak) H-bridge integrated MOSFETs.
Fortior Driver
STM32G031 / 64MHz MCU
SPI, I2C, Serial and SDW pinouts
12V Buck
3V LDO
Less that $10 to manufacture including SMD and components. This is a reference design, for those that are learning how to make SimpleFOC full-stack driver boards.
Please be extremely careful. This board is only for educational purposes. The 1oz copper will not carry more than 10A max if you are lucky, even though the MOSFETs are rated at 80A continuous. If you need more current you need to go for 2 oz copper, and 4-layer board, which means you will have to redesign the board by inserting extra copper layers, this will increase the current carrying capability to about 40A continuous with good heatsinks and proper cooling. Also you MUST add an external 50V / 1000uF minimum bulk capacitor.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 10uF | C1,C2,C3,C4,C10 | C1206 | 5 |
| 2 | 470nF | C5,C8,C9 | C0603 | 3 |
| 3 | 100nF | C6,C12 | C0402 | 2 |
| 4 | 22uF | C7 | C1206 | 1 |
| 5 | 22uF | C11 | C0603 | 1 |
| 6 | 100nF | C13 | C0402_NEW | 1 |
| 7 | 530470410 | CN1,CN3,CN4 | CONN-TH_530470410 | 3 |
| 8 | 530470610 | CN2 | CONN-TH_6P-P1.25_530470610 | 1 |
| 9 | 1N5819WS | D3,D4,D6,D7 | SOD-323_L1.8-W1.3-LS2.5-RD | 4 |
| 10 | 100uH | L2 | IND-SMD_L5.0-W5.0 | 1 |
| 11 | M2 PLATED HOLE WITH MINI HOLES | M1,M2,M3,M4,M5 | M2 PLATED HOLE WITH MINI HOLES | 5 |
| 12 | SE3082G | Q1,Q2,Q3 | DFN-8_L5.5-W5.2-P1.27-LS6.0-BL-EP2 | 3 |
| 13 | 1kΩ | R1 | R0402 | 1 |
| 14 | 8.2kΩ | R2 | R0402 | 1 |
| 15 | 10K | R12 | R0402 | 1 |
| 16 | TS-1187A-B-A-B | SW2 | SW-SMD_4P-L5.1-W5.1-P3.70-LS6.5-TL-2 | 1 |
| 17 | FD6288Q_C328453 | U1 | QFN-24_L4.0-W4.0-P0.50-BL-EP2.6 | 1 |
| 18 | STM32G031G8U6 | U2 | UFQFPN-28_L4.0-W4.0-P0.50-BL | 1 |
| 19 | HT7533-1_C14289 | U3 | SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR | 1 |
| 20 | XL1509-ADJE1 | U6 | SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL | 1 |
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