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STD Buck Converter STM32
License: TAPR Open Hardware License
Mode: Editors' pick
- 0
Update time：
2019-06-12 16:50:07
Creation time：
2019-06-11 13:27:04
Description
An open source buck converter circuit using the stm32f103 microcontroller as central control unit. Designed for low power and low voltage, but fully hackable for a higher spec.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | TIP42CTU_F129 | Q1 | TO-220(TO-220-3) | 1 |
| 2 | BLUEPILL | U1 | BLUEPILL | 1 |
| 3 | PC817X2NSZW | U2,U3,U4,U5,U7 | DIP-4 | 5 |
| 4 | G10E100CTW | D1 | TO-220AB | 1 |
| 5 | 7805 | U6 | TO-220 | 1 |
| 6 | 100uF | C1 | CAP-D10.0XF5.0 | 1 |
| 7 | 470R | R1,R11 | AXIAL-0.4 | 2 |
| 8 | 10K | R2 | AXIAL-0.4 | 1 |
| 9 | 100uH | L1 | AXIAL-0.4 | 1 |
| 10 | 10k | R3 | AXIAL-0.4 | 1 |
| 11 | 2.75K | R4 | AXIAL-0.4 | 1 |
| 12 | Header-Male-2.54_1x5 | H1,H2 | DIP-1X5P-2.54MM-M | 2 |
| 13 | 1uF | C2,C4 | 0805 | 2 |
| 14 | 1nF | C3,C5 | 0805 | 2 |
| 15 | 1k | R5,R6,R7,R8,R9,R10 | AXIAL-0.4 | 6 |
| 16 | Header-Female-2.54_1x2 | P1 | HDR-1X2/2.54 | 1 |
| 17 | 1N4448 | D2 | DO-35 | 1 |
| 18 | 2N3904 | Q2,Q3 | TO92D | 2 |
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