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STD STM32 Cheap-STM-Link
License: MIT
Mode: Editors' pick
Cloned from Cheap-Link
- 2
Update time：
2022-09-12 11:04:20
Creation time：
2020-06-28 04:45:20
Description
Features:
- SWD-only, 3.3V-only targets
- PCB layout compatible with ST-Link
- both 3.3V and 5V power supply to target
- 5V USB is protected from target's 5V
- Compact form-factor
- Pain-in-the-* 0402 capacitors
In case of failure (or low voltage on 5V pin) at first check following:
- Fuse
- AO3401A FET
Manual assebly order:
- Top layer: 100nf bypass caps, then MCU, resistors/caps, BJT/FET, LEDs
- Bottom layer: resistors/caps, LEDS
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Manufacturer | BOM_Manufacturer Part | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | 20pF | C1,C2 | C0402 | 2 | LCSC | FH | 0402CG200J500NT | C1554 |
| 2 | 100nF | C3,C5,C6,C8,C9 | C0402 | 5 | LCSC | MuRata | GRM155R61A104KA01D | C76997 |
| 3 | 10uF | C4 | C0603 | 1 | LCSC | SAMSUNG | CL10A106MQ8NNNC | C1691 |
| 4 | 22uF | C7 | C0603 | 1 | LCSC | YAGEO | CC0603MRX5R5BB226 | C109448 |
| 5 | 1uF | C10 | C0603 | 1 | LCSC | SAMSUNG | CL10A105KO8NNNC | C1592 |
| 6 | ESD5305F-6/TR | D1 | SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR | 1 | LCSC | WEIER | ESD5305F-6/TR | C136137 |
| 7 | S8B-ZR-3.4(LF)(SN) | DEBUG_OUT | CONN-TH_8P-P1.50_S8B-ZR-3.4-LF-SN | 1 | LCSC | JST Sales America | S8B-ZR-3.4(LF)(SN) | C160735 |
| 8 | BL-HB336G-TRB | LED,LED1 | LED0603-RD | 2 | LCSC | BrtLed | BL-HB336G-TRB | C138541 |
| 9 | DMMT5401-7-F | Q1 | SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR | 1 | LCSC | DIODES | DMMT5401-7-F | C154733 |
| 10 | MMBT2222ALT1G | Q2 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | 1 | LCSC | ON | MMBT2222ALT1G | C82460 |
| 11 | AO3401A | Q3 | SOT-23_L2.9-W1.3-P1.90-LS2.4-BR | 1 | LCSC | AOS | AO3401A | C15127 |
| 12 | 1.5kΩ | R3 | R0603 | 1 | LCSC | UniOhm | 0603WAF1501T5E | C22843 |
| 13 | 100K | R4 | R0603 | 1 | LCSC | RALEC | RTT03104JTP | C103211 |
| 14 | 100Ω | R5,R9,R10,R19,R20 | R0603 | 5 | LCSC | Guangdong Fenghua Advanced Tech | RS-03K1000FT | C115420 |
| 15 | 47kΩ | R6,R7 | R0603 | 2 | LCSC | RALEC | RTT034702FTP | C103657 |
| 16 | 10K | R8 | R0603 | 1 | LCSC | RALEC | RTT031002FTP | C103199 |
| 17 | 4.7K | R12,R14,R21 | R0603 | 3 | LCSC | RALEC | RTT03472JTP | C103662 |
| 18 | 1kΩ | R13,R15 | R0603 | 2 | LCSC | RALEC | RTT031001FTP | C103198 |
| 19 | 10kΩ | R16 | R0603 | 1 | LCSC | RALEC | RTT031002FTP | C103199 |
| 20 | 22Ω | R17 | R0603 | 1 | LCSC | FH | RS-03K220JT | C96423 |
| 21 | 36kΩ | R18 | R0603 | 1 | LCSC | Guangdong Fenghua Advanced Tech | RS-03K363JT | C294659 |
| 22 | 2.7K | R22 | R0603 | 1 | LCSC | UniOhm | 0603WAF2701T5E | C13167 |
| 23 | SE8117T33HF | U2 | SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR | 1 | LCSC | SEAWARD | SE8117T33HF | C115002 |
| 24 | 0438002.WR | U3 | F0603 | 1 | LCSC | Littelfuse | 0438002.WR | C99545 |
| 25 | S2B-ZR (LF)(SN) | U4 | CONN-TH_S2B-ZR-LF-SN | 1 | LCSC | JST Sales America | - | C157930 |
| 26 | U-F-M5DD-Y-L1 | USB1 | MICRO-USB-SMD_MICRO-USB-A8 | 1 | LCSC | HRO | U-F-M5DD-Y-L1 | C145791 |
| 27 | 8MHz | X1 | OSC-TH_L10.0-W4.5-P5.00 | 1 | LCSC | YXC | X49SD8MSD2SC | C21263 |
| 28 | STM32F103C8T6 | U1 | LQFP-48_48P-L7.0-W7.0-P0.50-LS9.7-BL | 1 | LCSC | ST | STM32F103C8T6 | C8734 |
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