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Author Topic: Adjustable DC Regulated Power Supply (0 - 30 V 2 mA - 3 A)With Digital Control  (Read 8873 times)
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Sideshow Bob
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« Reply #25 on: April 11, 2020, 01:37:27 13:37 »

sir i can't understand how to unlock password protected zip file
The name of this forum is sonsivri. Try that Smiley
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« Reply #26 on: April 12, 2020, 08:03:24 08:03 »

 
The name of this forum is sonsivri. Try that Smiley


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zac
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« Reply #27 on: April 23, 2020, 02:56:43 02:56 »

I purchased a few of these power supplies recently and found they were surprisingly good, especially for the price.  They also include the unusual capability of limiting power output.  The 0-30V 5A version was US$60 and the 10A version was $100 (but 10A version is sold out).  I haven't tried the USB software remote control features yet. 

Model: HM305P/HM310P

Output Voltage: 0-30V four digit display

Output Current: 0-5A four digit display

Power Effect:

--Voltage:≤ 0.1%+5mV

--Current: ≤ 0.03%+3mA

Load Effect:

--Voltage:≤ 0.1%+5mV

--Current: ≤ 0.01%+10mA
 Ripple:

--Voltage:≤ 20mVrms

--Current:≤ 100mArms

Display Resolution:

--Voltage: 10mV

--Current: 1mA

https://www.amazon.com/gp/product/B07SPYF8ZW/
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« Reply #28 on: August 21, 2021, 01:20:04 13:20 »

I found on a Russian forum very well optimized design he also added voltage and current regulation through voltage reference  based on TL 431 the author of the power supply also publish a article in Russian magazine prakticka elektronika scan copy of article attach a youtuber made this supply and shared his experience link given.

https://www.youtube.com/watch?v=M36MDYnTRRw
  
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« Reply #29 on: August 22, 2021, 08:31:52 20:31 »

HI All

Here is analog device latest 75 Watt, Single-Output Bench-top tracking Power Supply design!!!!

you can buy the board , add a micro , or just use a potentiometer to adjust current and voltage

https://www.analog.com/en/design-center/reference-designs/circuits-from-the-lab/cn0508.html?ADICID=some_NA_P328165_LinkedIn_IMG_CN0508

All the best

bobi


 
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« Reply #30 on: November 20, 2021, 03:18:46 15:18 »

I have built a couple of the RIDEN RD6006 power supply kits using their box and my choice of switching supply to put in the box. They work as advertised for the application I wanted. (Initially as a current controlled supply for anodizing aluminum.) I havenít actually looked at the ripple output, but I suspect it is mostly determined by the SMPS I selected.

The price on BG is ~$67USD,  so after a case & SMPS, Iím not sure the cost matches those complete supplies in earlier posts from Amazon. I think I paid a good deal less a year or so ago.

The RD6006 is here:
https://www.banggood.com/RIDEN-RD6006-or-RD6006-W-Digital-Control-Switch-Adjustable-Power-Supply-DC-Stabilized-Power-Adapter-Buck-Module-Monitoring-Power-Supply-p-1587151.html?rmmds=detail-left-hotproducts&cur_warehouse=USA&ID=6279943

One thing I always ask myself before starting a project like this isÖ.
Do I want to design power supplies or do I want to use power supplies? An honest self-answer can save a lot of time. This also applies in many other areas. Some years ago I had a need for a CNC mill to do a paying project. I spent some time evaluating all of the ďkitĒ stuff available for various bare bed mills. In the end I bought a complete mill from Tormach for the job. Paid off the mill with work in < 6 months and never looked back. Iím glad I realized early that I was a user not a builder of mills!
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