weingaunity
The portable laboratory power supply fits in every bag and on every desk. It provides a configurable power supply using the DPS5005 module with voltage- and current-control and in this configuration with max. 12V and 5A. A BOSCH Li-Ion accumulator is used so i can reuse the accumulators which i already have.
I use the 2x 5V USB connectors with max. 2A to energize developer boards, bread boards, my 8W USB soldering iron and a USB LED lamp. Due to the accumulator it provides a galvanic isolated supply that can be used as 2nd voltage source for e.g. the high-side driver of a MOSFET half-bridge. So it's my neat power supply for daily use.
Use case #1 - Accu soldering iron
Use case #2 - Bread board power supply + LED Lamp
Use case #3 - Soldering pins to a grid-eye module
Use case #4 - Power supply for a fan
Use case #5 - AC Adapter FAILED!!!!!!!!
The AC adapter fitted perfectly into the banana jacks, i had to try this... but does not work :-)
One more portable power supply for a friend :-)
I found a speaker wire connector in a box and today i added this new feature to my portable power supply. Now i can connect wire directly without the need of 4mm banana jacks.
Stefan Wagner
Dave's Dev Lab
Krzysztof Wrzalka
Great work!
I would really love, if there would be such a power module with the high efficient step up/down converter with the LTC3780: https://www.ebay.at/sch/i.html?_odkw=ltc3780+programmable&_osacat=0&_from=R40&_trksid=m570.l1313&_nkw=ltc3780&_sacat=0
I measured 98.5% efficiency at about 100W. That module is absolutely awesome!
One question: how do you deal with prevention of deep discharge?