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Modular (DIB v1.0) programamble bench power supply based on EEZ H24005
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DIB v1.0 major reorganization, introduced new PS AUX and BP3C that covers #37, #… Jun 18, 2019
aux-ps DCP405 r2B5 Jul 21, 2019
bp3c BP3C BOM update Jul 13, 2019
dcm220 DCM220 name on PCB fixed Jul 21, 2019
dcp405
enclosure enclosure drawings update Jul 21, 2019
mcu update TME connectors in BOMs Jul 13, 2019
previous designs BP3C ADXL module CS fixed Jul 10, 2019
.gitignore #3 Aug 29, 2018
CONTRIB.TXT #3 Aug 29, 2018
LICENSE.TXT #3 Aug 29, 2018
README.md readme.md fix Jun 26, 2019

README.md

Modular programmable bench power supply is based on EEZ H24005 project and introduce new digital control and better modularity by using EEZ DIB backplane based on DIB v1.0 specification that allows adding of new functions in the future (e.g. multi-channel power source, 2/4-quadrant power module, multi-channel temperature sensor module, data logger, switch matrix, digital I/O expander, function generator, data acquisition module, etc.). It is work in progress and it's conceived to have the following components/modules:

  • BP3C EEZ DIB backplane with series/parallel power coupling capability of first two modules
  • AUX power supply board with AC input protection, soft-start/power-up control, DC fan controller and +5 V / +12 V power outputs
  • MCU board based on STM32F769IGT6 32-bit ARM Cortex-M7 as replacement for Arduino Due
  • DCP405, 0 - 40 V / 5 A DC power source, an EEZ H24005 Power module variant (require an off-the-shelf fixed output 48 Vdc AC/DC power module)
  • DCM220, dual sync buck 0 - 20 V / max. 4 A with current limit
  • Bench Box 3 metal enclosure for housing up to 3 modules with 4.3" TFT LCD. Dimensions: 290 (W) x 123 (H) x 240 (D) mm

The EEZ Bench Box 3 first prototype

Enclosure 3D model

Please note that some previous board types and revisions that could be still usable in some cases can be found under previous design folder.

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