2 layers180 × 174 mm
Zerowriter breakout board
zerowriter/zerowriter_ink
General repo for all things Zerowriter Ink
660 parts46GPL-3.0
2 layers18 × 35.5 mm
Ch32-breakout
ReFil/ch32-breakoutA Small ch32 breakout board complete with octagons
- Size
- 18 × 35.5 mm
- Copper layers
- 2
- Thickness
- 0.8 mm
- Parts
- 37
- Nets
- 41
- Pads
- 143
- Tracks, vias
- 245, 46
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 7 Jun 2025
- Updated
- 31 Aug 2025
Overview
Ch32-breakout is an open-source printed circuit board by ReFil, from the ReFil/ch32-breakout repository on GitHub, published under the Unlicense licence. It is a 2-layer board of 18 × 35.5 mm with 37 parts on 41 nets, routed with 245 tracks and 46 vias.
It is built around the TP4057 and SK-3296S-01-L1. Its parts include 10 resistors, 6 connectors, 4 ICs, 3 capacitors and 2 diodes. It belongs with the interfaces and adapters boards and the RISC-V boards of this library.
Main components
2
TP4057
SOT-23-6-40℃~+85℃ 1 25uA 4.24V 4V~6.5V Charging IC Lithium Battery Not supported SOT-23-6 Battery Management ROHSTECH PUBLICBattery Management
SK-3296S-01-L1
SMD,7.8x2.8mm-40℃~+85℃ 1.35mm 10000 times 12V 2.75mm 50mA 7.8mm Black Rectangular Columnar SMD(SMT) Tab SPDT Surface Mount, Right Angle SMD,7.8x2.8mm Slide Switches ROHSXKB ConnectionSlide Switches
README
README.mdch32-breakout
A Small ch32 breakout board complete with octagons
Parts
37| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | TestPoint | TestPoint:TestPoint_Pad_1.5x1.5mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9 |
| 4 | Conn_01x05_Socket | Connector_PinHeader_1.27mm:PinHeader_1x05_P1.27mm_Vertical_SMD_Pin1Left | J3, J4, J5, J6 |
| 2 | 1.5k | Resistor_SMD:R_0402_1005Metric | R2, R7 |
| 2 | 100k | Resistor_SMD:R_0402_1005Metric | R8, R9 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C1, C2 |
| 2 | 47 | Resistor_SMD:R_0402_1005Metric | R5, R6 |
| 2 | 5.1k | Resistor_SMD:R_0402_1005Metric | R3, R4 |
| 1 | 100 | Resistor_SMD:R_0402_1005Metric | R10 |
| 1 | 100n | Capacitor_SMD:C_0402_1005Metric | C3 |
| 1 | 10k | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | CH32V003FxUx | Package_DFN_QFN:QFN-20-1EP_3x3mm_P0.4mm_EP1.65x1.65mm | U1 |
| 1 | Conn_ARM_SWD_TagConnect_TC2030-NL | Connector:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_Vertical | J1 |
| 1 | D | Diode_SMD:D_0603_1608Metric | D2 |
| 1 | LED | LED_SMD:LED_0402_1005Metric | D1 |
| 1 | Q_Dual_PMOS_S1G1D2S2G2D1 | Package_TO_SOT_SMD:SOT-563 | Q1 |
| 1 | SK-3296S-01-L1 | common:SK3296S01L1 | S1 |
| 1 | TP4057 | Package_TO_SOT_SMD:TSOT-23-6 | U2 |
| 1 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP10 |
| 1 | USB_C_Receptacle_USB2.0_16P | Connector_USB:USB_C_Receptacle_XKB_U262-16XN-4BVC11 | J2 |
| 1 | XB3303ASOT23 | Package_TO_SOT_SMD:SOT-23 | U3 |
| 1 | XC6206PxxxMR | Package_TO_SOT_SMD:SOT-23-3 | U4 |
Questions
How big is the Ch32-breakout PCB?
It measures 18 × 35.5 mm and has 2 copper layers, 0.8 mm thick.
What parts does the Ch32-breakout use?
37 parts, built around the TP4057 and SK-3296S-01-L1. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Ch32-breakout KiCad files?
From the ReFil/ch32-breakout repository on GitHub, at the commit this page was made from: the board is ch32-breakout.kicad_pcb and its schematic ch32-breakout.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ch32-breakout design in my own project?
Its repository publishes it under the Unlicense licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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