HardLabs

CoB DIP Breakout

TinyTapeout·breakout-pcb·breakout-dip-gf/breakout-dip-gf.kicad_pcb

CoB DIP Breakout layout, top view — open source WCH CH32/CH55x board by TinyTapeout

About the CoB DIP Breakout

CoB DIP Breakout is an open source WCH CH32/CH55x PCB design by TinyTapeout, published on GitHub under the Apache-2.0 license. It is a 4-layer board measuring 19 × 42.1 mm, with 33 components from 12 distinct parts.

Its main chip is the CH32X035G8U6, from the WCH CH32/CH55x family. Other key parts include the AP2112K-3.3TRG1. By type, the board carries 18 capacitors, 8 resistors, 2 ICs, 2 diodes, 1 connector and 1 switch.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

Tiny Tapeout breakout PCBs

The Tiny Tapeout chips are delivered on a breakout board that allows:

* the demo board to host and interact with the IC and its projects

* easily moving the ASIC to other more specialized PCBs

The PCBs are keyed such that direction of insertion onto hosts is made clear.

Versionning has been refactored such that we only have a single directory, moving forward, which will always be the latest iteration of the breakout board. Prior versions are tagged and all available here.

CoB DIP Breakout, from the project README
From the project README

Main components on the CoB DIP Breakout

CH32X035G8U6AP2112K-3.3TRG1

CoB DIP Breakout bill of materials (BOM)

33 components, 12 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
CH32X035G8U6
U2
1
AP2112K-3.3TRG1
AP2112K-3.3
U3
1
USB-TYPE-C-019
USB_C
J1
1
434121025816
SW1
2
SP3022-01ETG-MS
5VTVS
D1, D2
1
MFBM1V1608-121-R
120R
FB1
2
CL05A105KA5NQNC
1uF
C1, C2
4
CL10A106MA8NRNC
10u
C4, C5, C17, C19
4
CL05B104KB54PNC
100nF
C6, C14, C15, C16
8
CL05A105KA5NQNC
1u
Samsung Electro-Mechanics
C7, C8, C9, C10, C11, C12, C13, C18
2
AC0402FR-135K1L
5.1k
R1, R2
6
0402WGF0000TCE
0
R3, R4, R5, R6, R7, R8

CoB DIP Breakout design files

The KiCad project lives in the TinyTapeout/breakout-pcb repository on GitHub; these links point at the commit this page was built from.

CoB DIP Breakout: common questions

What microcontroller does the CoB DIP Breakout use?

The CoB DIP Breakout is built around the CH32X035G8U6, from the WCH CH32/CH55x family.

How big is the CoB DIP Breakout?

The CoB DIP Breakout measures 19 × 42.1 mm, has 4 copper layers and is 1.561 mm thick.

How many components are on the CoB DIP Breakout?

33 components, from 12 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the CoB DIP Breakout design files?

From the TinyTapeout/breakout-pcb repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the CoB DIP Breakout design in my own project?

Yes, under the terms of its Apache-2.0 license, which TinyTapeout chose for the repository.

Can I test firmware for the CoB DIP Breakout 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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