2 layers
2 layers45 × 20 mm
Cat Sink
ElectronicCats/Cat-Sink15A USB-C PD Sink up to 20V 5A based on the Cypress CYPD3177 USB PD Controller
- Size
- 45 × 20 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 41
- Nets
- 35
- Pads
- 147
- Tracks, vias
- 373, 47
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 24 Oct 2020
- Updated
- 29 Apr 2024
Overview
Cat Sink is an open-source printed circuit board by ElectronicCats, from the ElectronicCats/Cat-Sink repository on GitHub. It is a 2-layer board of 45 × 20 mm with 41 parts on 35 nets, routed with 373 tracks and 47 vias.
It is built around the SI3421DV and NZH10C. Its parts include 18 resistors, 10 capacitors, 3 diodes, 2 transistors and 2 connectors. It belongs with the power boards of this library.
Main components
2README
README.mdCatSink - USB power supply with PD
A USB-C PD Sink up to 20V 5A based on the Cypress CYPD3177 USB PD Controller
USB-C PD offers the option to negotiate power delivery from a compatible power supply. This board plays the role of a sink device, enabling any device to be powered by a USB power supply. Any type of power connector can be attached through a 2-pin screw terminal or directly soldered into the PCB for a lower profile. The voltage can be set to 5V, 9V, 12V, or 20V and the maximum negotiable current can be set to 1A, 2A, 3A, or 5A. Other voltage or current settings are possible by changing resistors. No programming is needed.
How to contribute 
Contributions are welcome!
Please read the document Contribution Manual which will show you how to contribute your changes to the project.
✨ Thanks to all our contributors! ✨
See Electronic Cats CLA for more information.
See the community code of conduct for a vision of the community we want to build and what we expect from it."
License
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.
Electronic Cats invests time and resources in providing this open-source design, please support Electronic Cats and open-source hardware by purchasing products from Electronic Cats!
Designed by Electronic Cats.
Firmware released under an GNU AGPL v3.0 license. See the LICENSE file for more information.
Hardware released under an CERN Open Hardware Licence v1.2. See the LICENSE_HARDWARE file for more information.
Electronic Cats is a registered trademark, please do not use it if you sell these PCBs.
Octuber 2020
Parts
41| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 10K | Resistor_SMD:R_0603_1608Metric | R11, R14, R15, R16, R17 |
| 5 | 5.1K | Resistor_SMD:R_0603_1608Metric | R4, R7, R8, R9, R10 |
| 4 | 1K | Resistor_SMD:R_0603_1608Metric | R2, R6, R13, R18 |
| 4 | 1uF | Capacitor_SMD:C_0603_1608Metric | C4, C5, C6, C7 |
| 2 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C8, C9 |
| 2 | 2.4K | Resistor_SMD:R_0603_1608Metric | R1, R5 |
| 2 | 3.3uF | Capacitor_SMD:C_1206_3216Metric | C1, C10 |
| 2 | 390pF | Capacitor_SMD:C_0603_1608Metric | C2, C3 |
| 2 | LOGO | Aesthetics:electronic_cats_logo_4x3 | G***, G*** |
| 2 | SI3421DV | Package_TO_SOT_SMD:SOT-23-6 | Q1, Q2 |
| 1 | 0R | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 50K | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | CYPD3177-24LQXI | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm | U1 |
| 1 | Current | CatSink:K3-1410S-E1 | SW2 |
| 1 | Fault | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | NZH10C | Diode_SMD:D_SOD-123F | D1 |
| 1 | Power | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | USB_C_Plug_USB2.0 | Connectors:C393939 | P1 |
| 1 | Voltage | CatSink:K3-1410S-E1 | SW1 |
| 1 | Vout | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J1 |
The 40 most common of 41 parts.
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Questions
How big is the Cat Sink PCB?
It measures 45 × 20 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Cat Sink use?
41 parts, built around the SI3421DV and NZH10C. 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 Cat Sink KiCad files?
From the ElectronicCats/Cat-Sink repository on GitHub, at the commit this page was made from: the board is Hw/CatSink/CatSink.kicad_pcb and its schematic Hw/CatSink/CatSink.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Cat Sink design in my own project?
Its repository states no licence, so its author keeps all rights: ask ElectronicCats before reusing the design.