Antmicro's open source D1600E PSU Breakout Board

Copyright (c) 2022-2023 Antmicro

Overview

This project contains open hardware design files for a Power Supply Unit (PSU) breakout board compatible with Dell D1600E-S0 PSU. The design files were prepared in KiCad.

Project structure:

The main directory contains the KiCad design files, LICENSE and README. The remaining files are stored in the following directories:

• img - contains graphics for this README
• doc - contains generated schematics and other documentation
• assets - contains visual assets for showcasing this design on Open Hardware Portal and Antmicro Designer.

Key features

• 5x power output channels providing 12V over 8-pin PCI Express type (Molex/39288080) sockets
• Up to 220W per single 12V power output channel
• Output current measurement implemented with Ti/TMCS1100A2QDRQ1 Hall sensors and 12-bit Ti/ADS7828E ADC accessible over I2C
• Power-cycling for each channel implemented with power MOSFETS driven from Ti/TCA9534 GPIO expander accessible over I2C
• I2C bus for current measurements and power cycling is opto-coupled with FTDI/FT4232H-56Q with USB exposed towards an external host