HardLabs

CH552

nicola-strappazzon·CH552·hdw/CH552G/CH552.kicad_pcb

CH552 PCB layout, top view — open source WCH CH32/CH55x board by nicola-strappazzon
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About the CH552 PCB

CH552 is an open source WCH CH32/CH55x PCB design by nicola-strappazzon, published on GitHub under the LGPL-2.1 license. It is a 2-layer board measuring 40.6 × 27.9 mm, with 19 components from 13 distinct parts.

Its main chip is the CH552G, from the WCH CH32/CH55x family. By type, the board carries 6 resistors, 3 connectors, 3 capacitors, 2 switches, 2 inductors and 1 IC.

From the project

Basic projects with CH552G

En este directorio hay una serie de proyectos hechos con KiCad relacionados al CH552G.

Las placas se pueden mandar a construir en JLCPCB.

- Minimal Esquema mínimo del circuito para el CH552G.

- Breakout SOIC-16 Una simple PCB para poder soldar el CH552G y poder trabajar en el protoboard.

- Breakout TQFP-48 Una simple PCB para poder soldar el CH552G y poder trabajar en el protoboard.

CH552, from the project README
From the project README

Main components on the CH552

CH552G

CH552 bill of materials (BOM)

19 components, 13 distinct parts.

QtyPartRefs
1
CH552G
U1
2
Conn_01x08
J1, J2
1
USB_C_Receptacle_USB2.0
P1
1
Polyfuse
F1
1
RST
SW1
1
BL
SW2
1
1N4001
D1
2
LED
L1, L2
2
100nF
C1, C2
1
4700nF
C3
2
1k
R1, R2
2
10k
R3, R4
2
5.1k
R5, R6

CH552 design files

The KiCad project lives in the nicola-strappazzon/CH552 repository on GitHub; these links point at the commit this page was built from.

CH552: common questions

What microcontroller does the CH552 use?

The CH552 is built around the CH552G, from the WCH CH32/CH55x family.

How big is the CH552 PCB?

The CH552 measures 40.6 × 27.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the CH552?

19 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the CH552 design files?

From the nicola-strappazzon/CH552 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the CH552 design in my own project?

Yes, under the terms of its LGPL-2.1 license, which nicola-strappazzon chose for the repository.

Can I test firmware for the CH552 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug WCH CH32/CH55x firmware against it before you order a PCB.

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