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STM32WBA55CGU-Breakout

fsanzeni·STM32WBA55CGU-Breakout

STM32WBA55CGU-Breakout layout, top view — open source STM32 board by fsanzeni

About the STM32WBA55CGU-Breakout

STM32WBA55CGU-Breakout is an open source STM32 PCB design by fsanzeni, published on GitHub under the MIT license. It is a 2-layer board measuring 80 × 66 mm, with 51 components from 26 distinct parts.

Its main chip is the STM32WBA55CGUx, from the STM32 family. By type, the board carries 27 capacitors, 9 resistors, 7 inductors, 3 connectors, 2 ICs and 2 crystals.

It belongs with the dev boards & breakouts, iot & wireless and rf & radio designs in this gallery.

From the project

A compact breakout board for the STM32WBA55CGU multiprotocol wireless microcontroller, designed for Bluetooth LE, Zigbee, Thread, and Matter applications. This design is based on ST's reference design MB1803 (MiniBoardWBA5xQFN48SMPSPCBAntenna).

A compact breakout board for the STM32WBA55CGU multiprotocol wireless microcontroller, designed for Bluetooth LE, Zigbee, Thread, and Matter applications. This design is based on ST's reference design MB1803 (MiniBoardWBA5xQFN48SMPSPCBAntenna).

- Microcontroller: STM32WBA55CGU (48-pin QFN package) - Arm Cortex-M33 core @ 100 MHz - 1 MB Flash, 128 KB SRAM - 2.4 GHz multiprotocol radio (Bluetooth LE 5.4, Zigbee, Thread, Matter) - Integrated SMPS for power efficiency

Main components on the STM32WBA55CGU-Breakout

STM32WBA55CGUx

STM32WBA55CGU-Breakout bill of materials (BOM)

51 components, 26 distinct parts.

QtyPartRefs
1
STM32WBA55CGUx
U101
1
~
U102
1
32.768kHz
Y101
1
32MHz
Y102
1
CN1
J101
1
CN2
J102
1
STDC14
J103
1
BAT54J
D1
1
1.8nH
L1
1
1.3nH
L2
3
47R@100MHz
L3, L4, L7
1
10nH
L5
1
2.2uH
L6
7
1uF
C1, C2, C3, C4, C5, C22, C27
1
10uF
C6
9
100nF
C7, C10, C15, C16, C17, C18, C19, C24 +1
2
6pF
C8, C9
1
470nF
C11
1
1.5pF
C12
1
3.9pF
C13
Show 6 more
QtyPartRefs
1
2.7pF
C14
2
1uF
C20, C21
1
4.7uF
C23
1
2.2uF
C25
1
100k
R1
8
47R
R2, R3, R4, R5, R6, R7, R8, R9

STM32WBA55CGU-Breakout design files

The KiCad project lives in the fsanzeni/STM32WBA55CGU-Breakout repository on GitHub; these links point at the commit this page was built from.

STM32WBA55CGU-Breakout: common questions

What microcontroller does the STM32WBA55CGU-Breakout use?

The STM32WBA55CGU-Breakout is built around the STM32WBA55CGUx, from the STM32 family.

How big is the STM32WBA55CGU-Breakout?

The STM32WBA55CGU-Breakout measures 80 × 66 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the STM32WBA55CGU-Breakout?

51 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the STM32WBA55CGU-Breakout design files?

From the fsanzeni/STM32WBA55CGU-Breakout repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the STM32WBA55CGU-Breakout design in my own project?

Yes, under the terms of its MIT license, which fsanzeni chose for the repository.

Can I test firmware for the STM32WBA55CGU-Breakout 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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