Add a DC connector to your Raspberry Pi with this simple HAT that accepts voltages from 6V to 28V.Designed by Omzlo in Greece
What is it? The Omzlo PiJack pHAT lets you power your Raspberry Pi with any DC voltage source ranging from 6V to 28V, such as a car battery or a wall wart AC/DC adapter. It features a DC/DC buck sw...Read More…
The Omzlo PiJack pHAT lets you power your Raspberry Pi with any DC voltage source ranging from 6V to 28V, such as a car battery or a wall wart AC/DC adapter. It features a DC/DC buck switching regulator that is designed to provide up to 2.5A to your board.
The Omzlo PiJack HAT features a barrel-type power jack for DC wall supplies, with a 5.5mm jack and a 2.1mm center pole diameter. You can also optionally solder:
The board also features an "ideal diode" that protects the Raspberry Pi USB net in case the Raspberry Pi is accidentally connected both to the PiJack HAT and USB power.
By default, the board is provided without a 2X20 pin GPIO header, but you can add to your order as an option:
The board layout is described in the picture below:
A Raspberry Pi board is not included with the PiJack HAT: you can connect it to any Pi Zero, Pi 2 model B/B+, Pi 3 model B/B+ and Raspberry Pi 4.
Free yourself from USB and power your next Raspberry Pi with the PiJack HAT!
This is an "accidental" byproduct of another bigger project: the Omzlo IoT platform, which offers a network of Arduino-compatible nodes managed by a Raspberry Pi, using CANbus and a common 12V (or 24V) power rail. Since we wanted to power everything with 12V (or 24V), we needed to design a solution to power the Raspberry Pi as well.
We found out that adding a DC power jack to a Raspberry Pi can be quite useful for many projects, allowing you to accept a much wider range of voltage inputs than the typical 5V provided through USB. So we decided to create this HAT and share it with the community, as described in our blog:
As far as we know, this is the only Raspberry Pi power supply HAT that accepts such as wide range of voltages, providing up to 2.5A, while being fully open-source/open-hardware.
In the end, it's a very simple but useful device.
This is version 3+ of the PiJack, which uses a new DC/DC converter that can deliver up to 2.5A, instead of the 1.7A offered previously in version 3.
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