Electronics > Beginners
Benchtop PSU 3xDPS3005
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Kalvin:
Old thread, but here is the latest version of this design providing three separate isolated outputs using the inexpensive DPS3005 (or similar) power supply modules.

- Universal DC-input from 9V to 36V, which allows using the power supply from a car battery, an inexpensive 19V PC battery charger or a 24 AC-to-DC converter.
- Each channel has its own isolated DC-DC-module providing the isolated input voltage for the DSP3005 module.
- Maximum power per channel limited by the DC-DC-module and/or DSP3005 power ratings.
- Multiple channels can be connected in series or parallel without problems with the ground loops etc.
- No problems with the earth leakage current.
- Very small in size, easy to carry around in the lab or in the field.
- Optional support for the USB or Bluetooth connection for controlling the DSP3005 module.
- Optional support for the relay controlling the output enable/disable with an opto-coupler for a) an individual channel or b) multiple channels in parallel.
- The DC-DC-modules used are CUI Inc. 30W, Vin: 9V - 36V, Vout: 15V 2A and 24V 1.25A.
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