STM32G491 Prototyping Board
About the STM32G491 Prototyping Board
STM32G491 Prototyping Board is an open source STM32 PCB design by yamamo2shun1, published on GitHub under the MIT license. It is a 2-layer board measuring 22.9 × 50.3 mm, with 54 components from 30 distinct parts.
Its main chip is the STM32G4A1CETx, from the STM32 family. Other key parts include the MIC39100-3.3WS and TPS2116DRL. By type, the board carries 20 capacitors, 10 resistors, 8 connectors, 5 inductors, 3 ICs and 3 diodes.
It belongs with the audio designs in this gallery.
From the project
USB Audio and HID composite device project based on STM32G491.
Main components on the STM32G491 Prototyping Board
STM32G491 Prototyping Board bill of materials (BOM)
54 components, 30 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MIC39100-3.3WS | SOT-223_S_MCL | U1 |
| 1 | STM32G4A1CETx | LQFP-48_7x7mm_P0.5mm | U3 |
| 1 | TPS2116DRL | SOT-583-8 | U4 |
| 1 | SG-310SCF | Oscillator_SMD_SeikoEpson_SG8002CE-4Pin_3.2x2.5mm | X1 |
| 2 | Conn_01x08 | PinHeader_1x08_P2.54mm_Vertical | J1, J6 |
| 1 | Conn_01x07 | PinHeader_1x07_P2.54mm_Vertical | J2 |
| 1 | Conn_01x05 | PinHeader_1x05_P2.54mm_Vertical | J3 |
| 1 | UB1611-HGN | Gangyuan_UB1611-HGN | J4 |
| 1 | Conn_01x06 | PinHeader_1x06_P2.54mm_Vertical | J5 |
| 1 | 15910060 | Molex_15910060 | J7 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J9 |
| 1 | Jumper_2_Open | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 2 | SKRPABE010 | SKRPABE010 | SW1, SW2 |
| 1 | TestPoint | TestPoint_THTPad_1.0x1.0mm_Drill0.5mm | TP1 |
| 3 | LED | LED_0603_1608Metric | D1, D2, D3 |
| 1 | BLM21PG221SN1 | L_0805_2012Metric | FB1 |
| 2 | BLM18BB121SN1 | L_0603_1608Metric | FB2, FB3 |
| 2 | BLM15PX601SN1D | L_0402_1005Metric | FB4, FB5 |
| 3 | 10uF | C_0603_1608Metric | C1, C3, C16 |
| 3 | 100nF | C_0603_1608Metric | C2, C5, C20 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 10uF / tant | CP_EIA-3528-12_Kemet-T | C4 |
| 9 | 100nF | C_0402_1005Metric | C6, C7, C8, C11, C13, C14, C15, C17 +1 |
| 1 | 4.7uF | C_0603_1608Metric | C9 |
| 3 | 1uF | C_0402_1005Metric | C10, C12, C19 |
| 2 | 5.1k | R_0402_1005Metric | R1, R6 |
| 1 | 33 | R_0402_1005Metric | R2 |
| 2 | 10k | R_0402_1005Metric | R3, R10 |
| 3 | 1k | R_0402_1005Metric | R4, R5, R7 |
| 1 | 16.9k | R_0402_1005Metric | R8 |
| 1 | 5k | R_0402_1005Metric | R9 |
STM32G491 Prototyping Board design files
The KiCad project lives in the yamamo2shun1/C4NDY repository on GitHub; these links point at the commit this page was built from.
STM32G491 Prototyping Board: common questions
What microcontroller does the STM32G491 Prototyping Board use?
The STM32G491 Prototyping Board is built around the STM32G4A1CETx, from the STM32 family.
How big is the STM32G491 Prototyping Board?
The STM32G491 Prototyping Board measures 22.9 × 50.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the STM32G491 Prototyping Board?
54 components, from 30 distinct parts. The full bill of materials is listed on this page.
Where can I download the STM32G491 Prototyping Board design files?
From the yamamo2shun1/C4NDY repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the STM32G491 Prototyping Board design in my own project?
Yes, under the terms of its MIT license, which yamamo2shun1 chose for the repository.
Can I test firmware for the STM32G491 Prototyping Board 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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