ET-P14
USB-C PD Trigger 9/12/20 V
Get 9, 12 or 20 V from any USB-C PD charger
AED 23.00
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Overview
Get 9, 12 or 20 V from any USB-C PD charger
The ET-P14 is built around the WCH CH224K — USB PD 3.0/2.0 sink, also BC1.2/QC/AFC/FCP.
Designed in Dubai by ElectroTrical — the full schematic, BOM and design notes are published below.
Good for
- 12 V LED strips from a laptop charger
- Powering routers and small amplifiers
- Portable soldering setups
Key features
What makes it different
IC
WCH CH224K: USB PD 3.0/2.0 sink, also BC1.2/QC/AFC/FCP
Output
9V, 12V (default) or 20V by jumper, up to 5A with an e-marked cable
Status
Power-good LED + PG pin
Use
Power 12V LED strips, routers, soldering irons, laptops-chargers to DIY gear
Open documentation
Schematic, BOM and layout notes published for every board.
Breadboard friendly
Standard 2.54 mm pitch and M2.5 mounting holes.
Specifications
Technical specifications
| IC | WCH CH224K: USB PD 3.0/2.0 sink, also BC1.2/QC/AFC/FCP |
|---|---|
| Output | 9V, 12V (default) or 20V by jumper, up to 5A with an e-marked cable |
| Status | Power-good LED + PG pin |
| Use | Power 12V LED strips, routers, soldering irons, laptops-chargers to DIY gear |
| Size | 25.4 × 17.8 mm |
|---|---|
| Mounting | 2 mounting holes (M2.5) |
| Connectors | 3-pin 2.54 mm header · USB-C 16P receptacle (USB 2.0) — USB-C PD input · Screw terminal 2P 5.0mm 17A (THT) — VOUT terminal |
| Main IC | CH224K (LCSC C970725) |
| Revision | Rev A |
| JP1 (default 12V) | 3-way: 1-C = 9V, 2-C = 12V (default), all open = 20V |
|---|
Performance
Power
Pinout
Pin map and connections
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VBUS | Power | Negotiated 9/12/20V |
| 2 | GND | Ground | Ground |
| 3 | PG | Output | Power-good, open-drain active low |
Mechanical
Dimensions and what's in the box
In the box
- 1 × ET-P14 USB-C PD Trigger 9/12/20 V (assembled)
- 1 × 3-pin 2.54 mm male header, unsoldered
Getting started
- Wire the header: VBUS, GND, PG
Compare
Which USB-C power board?
| USB-C PD Trigger 9/12/20 V (this board)This board | ET-A06 USB-C Breadboard Power Supply | ET-P20 ICL7660 Negative Voltage Generator | |
|---|---|---|---|
| What it does | Get 9, 12 or 20 V from any USB-C PD charger | 5 V and 3.3 V on both breadboard rails from USB-C | Makes −5 V from +5 V for op-amps and LCDs |
| Interface | — | USB-C 5V (Rd on CC → works with any USB-C… | — |
| Best for | 12 V LED strips from a laptop charger | Breadboard prototyping | Dual-supply op-amp circuits |
| Price | 23 AED | 9 AED | 9 AED |
Downloads
Documents and design files
Need a custom version of this board?
Different connector, size or sensor? We design and build custom variants.