License

MIT

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STM32 Cheap-STM-Link

1 month ago 86
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

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

Documents

PCB

Schematics

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part
1 100n C9,C8,C3,C5,C6 0402-CAP 5 GRM155R61A104KA01D
2 XH2.54-7P DEBUG_HEADER XH2.54-7P 1 ?
3 1k R13,R15 0603 2 RTT031001FTP
4 1u C10 0603-CAP 1 CL10A105KO8NNNC
5 10uF C4 0603-CAP 1 CL10A106MQ8NNNC
6 8MHz X1 OSC-49S-1 1 X49SD8MSD2SC
7 Led LED,LED1 LED-0603 2 BL-HB336G-TRB
8 20pF C1,C2 0402 2 0402CG200J500NT
9 22uF C7 0603-CAP 1 CC0603MRX5R5BB226
10 100K R4 R0603 1 RTT03104JTP
11 0438002.WR U3 0603 1 0438002.WR
12 AO3401A Q3 SOT-23(SOT-23-3) 1 AO3401A
13 ESD5305F-6/TR D1 SOT23-6 1 ESD5305F-6/TR
14 MMBT2222ALT1G Q2 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 1 MMBT2222ALT1G
15 36K R18 R0603 1 RS-03K363JT
16 22 R1,R2,R17 0603 3 RS-03K220JT
17 47k R6,R7 0603 2 ?
18 100 R20,R9,R10,R5,R16 0603 5 ?
19 1.5k R3 0603 1 0603WAF1501T5E
20 10K R19 R0603 1 RTT031002FTP
21 DMMT5401-7-F Q1 SOT-23-6 1 DMMT5401-7-F
22 4.7K R12,R14 R0603 2 RTT03472JTP
23 SE8117T33HF U2 SOT-223-3LEAD_TABPIN2 1 SE8117T33HF
24 U-F-M5DD-Y-L1 USB1 MICRO-USB-A8 1 U-F-M5DD-Y-L1
25 STM32F103C8T6 U1 LQFP-48_7X7X05P 1 STM32F103C8T6

Attachments

None

Members

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