ET-P12
MP1584 Buck Converter 5 V 3 A
6–28 V in, 5 V 3 A out
AED 39.00
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Overview
6–28 V in, 5 V 3 A out
The ET-P12 is built around the MPS MP1584EN — 3A, 4.5–28V, 100kHz–1.5MHz (set ~1MHz), 100µA Iq.
Designed in Dubai by ElectroTrical — the full schematic, BOM and design notes are published below.
Good for
- 5 V from 12 V or 24 V systems
- Powering a Pi from a vehicle battery
- Drones and RC packs
Key features
What makes it different
IC
MPS MP1584EN: 3A, 4.5–28V, 100kHz–1.5MHz (set ~1MHz), 100µA Iq
Input
6–28V (12V/24V systems, 2–6S packs)
Output
4.9V nominal (0.8V × (1+51k/10k)), 3A peak / 2.5A continuous
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 | MPS MP1584EN: 3A, 4.5–28V, 100kHz–1.5MHz (set ~1MHz), 100µA Iq |
|---|---|
| Input | 6–28V (12V/24V systems, 2–6S packs) |
| Output | 4.9V nominal (0.8V × (1+51k/10k)), 3A peak / 2.5A continuous |
| Size | 25.4 × 25.4 mm |
|---|---|
| Mounting | 4 × M2.5 holes, 2.54 mm from each corner |
| Connectors | 4-pin 2.54 mm header · Screw terminal 2P 5.0mm 17A (THT) — In / out terminals |
| Main IC | MP1584EN-LF-Z (LCSC C15051) |
| Revision | Rev A |
Performance
Efficiency
Pinout
Pin map and connections
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VIN | Power | 6–28V |
| 2 | GND | Ground | Ground |
| 3 | VOUT | Power | 4.9V 3A |
| 4 | GND | Ground | Ground |
Mechanical
Dimensions and what's in the box
In the box
- 1 × ET-P12 MP1584 Buck Converter 5 V 3 A (assembled)
- 1 × 4-pin 2.54 mm male header, unsoldered
Getting started
- Wire the header: VIN, GND, VOUT, GND
Compare
Which DC-DC converter?
| MP1584 Buck Converter 5 V 3 A (this board)This board | ET-P11 MT3608 Boost Converter 5 V / 12 V | ET-P04 TPS563201 5 V 3 A Step-Down | ET-P05 TPS61023 5 V Boost | |
|---|---|---|---|---|
| What it does | 6–28 V in, 5 V 3 A out | 2.5–5.5 V in, 5 V or 12 V out by jumper | 6.5–17 V in, 5 V 3 A out | 5 V 1 A from a single LiPo cell |
| Interface | 6–28V (12V/24V systems, 2–6S packs) | 2.5–5.5V (1S LiPo, USB, 2–3 AA) | 6.5–17V (12V adapters, 3S/4S LiPo up to 16.8V) | 1S LiPo / 2-3 AA; starts at 1.8V |
| Best for | 5 V from 12 V or 24 V systems | 5 V from one LiPo cell | 12 V to 5 V for Raspberry Pi | 5 V from a LiPo for NeoPixels |
| Price | 39 AED | 29 AED | 29 AED | 15 AED |
Downloads
Documents and design files
Need a custom version of this board?
Different connector, size or sensor? We design and build custom variants.