If the current is reading a bit low, you can take some wire cutters and put a little crimp in the current shunt. That will increase the resistance and make the current read higher.
Excited to see you trying these modules, but I think you should read the manual first. Setting the voltage is actually way simpler then going into the settings menu. Just pressing V or A and then pushing and turning the knob will enable you to quickly change the voltage. I have the DPS5015 and I am still very happy especially for the money, would like to see if it could actually go up to the maximum advertised power, I have only tested mine up to 250w.
The fact that Dave didn't manage to start a campfire with it, overall positive review & the manufacturer being willing to respond to questions (& shows a great deal of pride in their work) on a TH-cam video about a 20-30$ product... I'll be purchasing one. I've been looking at these for a couple of weeks & this seals the deal😉 Thanks for the video
One cannot even get the parts for this price even if you buy SMD rolls of 10000. How on earth are these guys able to *even make a profit* on these? They have to get the parts for free...
Dave, did you notice that current and voltage are selectable directly from the main screen without going into the menu? As you explain it, it seems very complicated but it isn't. Just press the "V" button and change the voltage. And the "A" button for the Amps...
Ran one of the dps5015's on a resistive load as a room heater in my office most of last winter, the little module held up like a champ! Ran it at full current load for hours at a bit over 700w everyday without a bit of trouble, seems like it would even run slightly more current than rated. Good little bit of kit!
I’ve been using the RuiDeng BPH3205 on my bench (and on my channel) for a few months and it works extremely well as a buck boost on my 12 volt lead acid batteries. It’s worth noting you can adjust the voltage and current output without going into the full setup menu by pressing the V or A button and then using the rotary encoder. Great value as you say.
Very nice Video Dave ! I too love all these cheap Chinese doodads and gizmos. Very inexpensive way to get an adjustable bench power supply- for those of us who like to tinker. Bought a load of stuff last year for not much more than postage and with the electronic junk we harvest from the scrap pile, my little middle school student electronic club has parts and such to learn and tinker with. Kids still love to learn about, tear apart, and up-cycle electronics, just as we did as kids- warms my heart. Keeping the electronics bug going for another generation ! Be Well !
I have been dying for someone to do a review on one of these, been looking at them for a while. I've just pulled the trigger on a 50v 5A one before the price skyrockets.
It's good to see that the guy with a lab full of thousand dollars scopes and test equipment is still recommending these low end products, he can probably remember the days when stuff like this was all he could afford, much like many of his viewers.
Nice to see you do a video on a bit of kit that's affordable to pretty much everyone. They look like a great option for hobbyists and tinkerers on a budget.
The DPS-series units are the way to go with these. I've been very satisfied with the bench PSU I built with a DPS3012 and a 36V 10A power supply I had lying around. Also, you can adjust the output from the main screen by pressing the V/A buttons and adjusting with the knob.
I've had the DPS5005 for about 6 years working great. The first few years I powered it with an old dell laptop charger at 19.5v. About 2 years ago I got a 48v brick for it and have loved it the whole time. The case they sell to go with them includes an extra cooling fan with it's own daughter board mini power supply off the input.
This channel has the best yt comments that I've seen by far!! Every body is on topic and no one is trying to be funny. You guys are awesome, have a wounderfull day!
Sure you do, several of the boards you looked at had tx/rx/gnd headers for serial comms. Also my be worth checking out github.com/kanflo/opendps which even enables WiFi capabilities via an ESP8266
Dave, I also have one and you do not need to controll them from the configuration screen, which is only for the maximum ratings. You can set voltage and current from the main screen with the big letters by pressing "V" or "A" . Cheers
I have the 50V 15A version. 2 of them actually, and they work great. When I got the first one, I put it through a stress test, drawing 15A at 12V with 54V input, for an hour and it survived flawlessly. That is when I decided to order another one. Highly recommended for anyone who needs a relatively cheap and reliable CV/CC bench power supply.
I have the 12 amp version and have fully loaded it with an electronic load, for about 8 hours, without a problem. Max temp on the heatsink was about 50 deg C in an ambient of about 25 deg C. Biggest problem was finding a TX big enough to provide the DC input but I lucked out and was gifted a DC pack from a scrapped MRI scanner! That had a huge toroidal TX on it, with some hefty bridge recs and smoothing caps! They are really nice little modules and even if they turn into magic smoke after some abuse, who cares at the price!
Hey Dave. Please make more videos on these nice little modules. Please do a simple efficiency test and take look on the big one. I love high current power supplies.
"I just wanted to mention these types of devices, in this video I'm not going to be characterizing them or anything" *looks at timeline, 12 minutes left* He's going to characterize them isn't he...
Hi Dave, these are very good performers. I made a few different combinations up recently, one as a portable battery powered bench (field) supply running a 3s 5Ah lipo into a boost regulator and the appropriate module giving 0-30v and up to 5A.. fully portable, it works brilliantly. Another is the 15A version backed up with a 350W smps which I use to charge a 200Ah 24v lead acid EV battery, and it does full load (300W) for hours, and has done dozens of charge cycles with that vehicle. It runs pretty warm but no runaway. The last one is a brute with a 750w smps (48V/16A) and it really delivers. For the money no other option comes close.
Torsten B Especially when you realize that every electronic device out of China that has ever suffered an early catastrophic death carried that exact same sticker. Definitely inspired confidence! LOL The sad thing is that the seem to apply those stickers without ever powering on many (most/all?) devices as I have received other China export products where the input or outputs of a power supply were clearly bridged across with solder, so a dead short, yet still carried that silly QC sticker! That or "Inspector ##"!
Output power protection is good for things like LED modules ... You may get different voltage and current depending on temperature of module but you can still set hard limit for power to protect module.
I have a 35V 15A version of one of these hooked up to a 36V 20A DC power supply. Works great. It is a bit noisy, but I just add extra filtering to any sensitive projects. I haven't tested it below 1.5V, but it does give a full 15A at 1.5V.
mad , i just bought a dps3003 one few weeks ago . Glad you gave em look . Now it just has to arrive . Mail to Canada from China is a crap-shoot time wise.
Ive got one of thse little module units which i run off a 18v Li Ion power tool battery. Also added a little beeper set to 15v so i dont run the battery down too much. Works as a great portable little power supply!
TheColinputer If you are using the Ryobi 18V One+ Lithium Ion battery packs then they have the necessary protection circuitry built into the actual battery packs themselves since the battery packs had to maintain backwards compatibility with their older NiCd battery packs. So if those are what you are using then no other protection is required. But I can only say that with certainty for the Ryobi 18V One+ battery packs, though some other brands may also build protection into their batteries (as opposed to the tool). I occasionally disassemble their battery packs to incorporate into robotics projects since their batteries have the protection and balancing circuitry built in and all that is required for charging is a 4-pin connection back to the charger (and you can use an empty battery shell to interface with an unmodified charger. But that gives me a 5-cell battery pack that ranges between 18-22V, depending upon charge state, for driving motors and a source of power to downregulate to 3.3V and 5V as needed for the sensors, control circuitry and microcontroller boards.
I use Makita mostly which dont have any cut off in them. But i also have some AEG which do however its at about 13.5v and i also have Milwaukee but i honestly am unsure about them. I just got the little USB phone charger add ons for each brand and cut part of the plastic to fit an XT60 connector. Then just use that to plug the power module into them.
I've had my eye on these for a while. I was planning to buy one and toss on a power transformer, full bridge rectifier and a smoothing cap then have a DPS3005 on the output. Also include a few nifty options of my own. If it passes Dave's test then I think I shall buy a couple.
Dave, I've seen them before and contemplated using them however when you start counting the cost, they start getting quite expensive (up in the territory of actual lab power supplies). Say you wanted a 0-30V 3A PS. This module is about $32AU + supply to run (36V 3A) $15 + ABS case $15 =$62 (never mind the bits and bobs). You can get a bench power supply on ebay for $60 delivered (V/A display, steel chassis + warranty). Fine if you have a spare PS to run it, or have an abundance of cases laying around, or you want include a PS with another project for some reason. These are OK when you're taking
Funny, I just got mine and put it together today. I got the DPS5005 along with the metal housing. Bought them off Banggood, $26 USD for the module, $19 for the housing. Grabbed a 60v 6.7a psu off ebay for $30 (which has a voltage adjustment range of 54-66v, so I simply set it to 54v) for a complete setup that takes advantage of its full potential. They're manufactured by Ruideng. The housing is labeled with both the RD logo and "Hangzhou Ruideng Technology"
being heavy into electronics i have never needed to limit my current unless im charging a small cell and i tend to use solar cells for current limiting. because of that i just use a cc cv variable step up chip and a lithium battery. making it pocket portable and a max of around 4-30v 3a. 10 dollars or less.
These are great modules. I have a DPS5015 (50V/15A) powered with a 150W 48V power supply. It is rated to charge batteries directly. They have just introduced a cheap RS232 and Bluetooth module to control supply from PC.
Ha! I just built one of these today with the 50V 15A version xD BTW press the V and A buttons to set the Volts and Amps instead of going through the menu. Way quicker
Tom Combe it has a input of up to 60v DC. It is not mains powered. It is literally just a buck converter on steroids. I bought a 48v 15A supply to power mine. With tweeking you can output just over 50v at the full 15A.
There are newer buck-boost versions of these with much higher output as well, those have a separate module with a heatsink and fan. They are amazing, having buck-boost gives u 6-40v input 0-30v output, you can plug it into anything you find and get the power you need. Been using them for a year now every day.
i was putting in my latest eBay order when I noticed something similar in my recommendations, so I splurged for I think the $15 and I have been so happy with it. I went the even simpler route and got some short 2-3" chunks of wire and some "M" cable connectors. combined that with some custom alligator breakout clips and everything else using the same connections I have a very modular system. I actually soldered to the connectors in case I wanted to use the screw terminals with a higher gauge wire or other projects. I also picked up a LED work light that works off of 12V and because everything uses the same connectors I can just put this in line and now I have a dimmable LED light when needed.
These would be great for setting up a small electronics lab for grade school kids. Cheap to set up and you don't have to worry of the kids get rough with them.
I put two DPS5005 (sharing a 24V meanwell supply) and a DPS5015 (with a separate 5A 24V supply) in a box for a three-channel supply, and with the separate input supplies it functions as a split supply too. Very happy with it! Also worth checking out github.com/kanflo/opendps but TBH the stock firmware UI doesn't bother me too much. I think I'll update them if I find myself wanting to control or data log over the UART.
You can't control it over UART? I thought that the DPS5015 ha sthis option built in. They are selling those with USB and/or Bluetooth modules and some fancy LabVIEW software.
Just bought two DPS5005, because of this video and another one made by our other famous Andreas Spieß - the guy with the swiss accent ;) because they added a USB and bluetooth module which enables full control via a PC. One DPS5005 is about 39 euro at the moment with a german seller (no import tax and/or customs hassle)
Awesome...I would put the 3 capacitor ac ripple on the inside of the output plugs to clean it up....I remember you covering that a while back...and yes a 19vdc laptop pack would be great
Would love to see you test those who have higher current and voltage. I have wanted you to test these since I found them. I have built my own and is quite happy with it. The only problem I have is to find a good case that can fit the plug pack, the module and a extra fan but isn't to big.
I have been using a 50v 15A one for half a year or so, it's really rather nice. Have not tested with more than 400W, but it does that admirably while staying fairly cool (65*C or so), yet a bit loud (though I dont think that was the max RPM on the fan). Powering it from 500W 48V power supply that I build into the same case as the module for a nice self contained unit. Overall really nice pieces of kit. Got it for 36$ on Ali at the time. Also you can press the up and down arrow to adjust from the main screen, that's why they are marked with V and A.
Hi friend thank you very much for your message and your support, you can try it over 400w, there is not any problem now we have DPS5015 communication version about the fan , it is loud? it should be not loud.. in the begining it is loud or after some times, it begin to be loud ?
build ? this is only DC-DC power supply, if you want to build AC-DC power supply, you just buy a swwwtich power supply to let him as input, so they will be a great AC-DC power supply
Nothing to stop you from upgrading the heatsink on there. I mean, jeez, if you don't have a couple of heatsinks lying around, you aren't really trying. I'd love to see someone build one of these up with a fan-ventillated enclosure and a bigger heat sink and see how much power they can push before letting the smoke out.
My 50V 20A one (max 600w) runs at 500w for 4 hours a day. Just gets warm to the touch. I use it to charge large deep cycle Lead acid battery banks. (400ah 24v). After one year, I'm still waiting for the smoke.
I use a 36V 16A power supply but if you do not need 600w, you can buy the 400w for much cheaper, Shop around. Aliexpress also have some cheaper ones available. www.ebay.ie/itm/DC-3V-5V-12V-24V-36V-48V-Universal-Regulated-Switching-Power-Supply-LED-CCTV-PSU-/151886747221?var=&hash=item235d27d655:m:mQZovYXghnw8y48gBQEuuLw
I used their buck-boost converter (DPH3205) to build a bench supply. I had a 12V 13A Cosel power supply lying around which serves as input to the buck-boost converter. Very easy to build.
They must be incredibly efficient, I'd love to see them put through tests and also know what switching devices and frequency they use. It reminds me of these little "class D" audio amp modules I see on ebay etc. that put out tens of watts from a tiny little board. Don't know how they're doing it!
These would make good use of several power adapters I have in a drawer from dead laptops over the years. Now if I only had a project for all the out dated smart phones in the other drawer.
You may also want to test switching the primary while the secondary is supposed off. May be in for some surprises with certain cheap power supplies. Regards
Agreed :) BigClive as well. I'm almost certain all 3 of them have referenced each other in their videos. I almost expected him to call the instructions chinglish. but come on, "power supply is cabinet and delicate". Now if Dave says "skookum choocher"..
I bought 1 at a local pc show I got the one that goes to 5 amps cost 15.99 . Have had it for 4 weeks and have made a battery charger from it and it workes better than my craftsman battery charger. Please do more testing on these things.
I am so happy that you are watching this. Please take a look at github.com/kanflo/opendps there are people making own custom improvements to software of your product. It would be extremely awesome if you join the efforts with them by developing opensource firmware together. That could make your product even more useful and popular as everyone would be able to make own firmware remix for special use case easily. This is the future: Customers directly working on product with manufacturer. Github works very well for this.
if you press V/A/arrow button on the higher power Modules you can do live Adjust which is much more comfortable than how you adjusted current and voltage.
I've heard that when you disable output on some of these that the *capacitor is still charged* to previous output voltage (possible potential on output posts) *or* perhaps if you were to then change the output voltage (say to a lower value) and re-enable output it could damage a component being supplied to (as it takes a while for the capacitor to drain to the new selected output voltage)...
if you design a psu, you can either place the output capacitance before or after the output switch or after, which means, if you toggle the switch and switch the output off, the capacitors still dump their load into your circuit, or if you switch on the load, the voltage may ramp up slower. so if i had to design that, i would rather go for the first way, put output capacitance before the switch....so there could be theoretical the problem, say you dail in 50V, switch the load of, dial in 3V and switch the load on again, realy realy quickly (say for example, you do it in software), and your psu design is not able to sink current and has realy fat massive output caps, then your load may see a voltage spike of 50V. But in reality in most cases this should not case a problem, and if it does, you probably know it
Great vid. Something inside my danger node does not like metal knobs on PSUs :). I do like these tiny PSU as i build many miniPC for kiosks. So many questions ... I need to explore your channel.
I really like these and recently bought the version with bluetooth and usb after having the regular 50 15. Very inexpensive and capable. Can hardly hear the fan when it's on. Planning to get one of their signal generators soon.
Got a pleasant surprise;started watching this video-looked up on my cabinet top and saw 4! cases with custom stainless steel fronts begging to be made into power supplies...
Great Video... Been using a couple of DPH 3205 (32V/5Amp) units in the shop for a year now. Work great for what we need. Mounted 1 in the box they sell. The other in a larger enclosure with an AC to DC PS built in.
I just got my 30V 5A boost/buck converter and two 50V 20A buck converters from banggood. I'm going to build a bit beefier lab supply with those. I'll be using those only for building and testing a few more lab supplies :)
Another great tutorial thanks, I have just purchased the DPS3012! and I am pretty sure none of them come with an inline fuse! does anyone know if should incorporate a fuse when building the case. Thank you very much. John.. :)
Hi dave, they sell also the controllable version. I think I saw the connector (or the place of the connector) on the PCBs you showed, maybe you could do a followup and check the automation purposes of these small PSUs, would be great.
If the current is reading a bit low, you can take some wire cutters and put a little crimp in the current shunt.
That will increase the resistance and make the current read higher.
Excited to see you trying these modules, but I think you should read the manual first. Setting the voltage is actually way simpler then going into the settings menu. Just pressing V or A and then pushing and turning the knob will enable you to quickly change the voltage. I have the DPS5015 and I am still very happy especially for the money, would like to see if it could actually go up to the maximum advertised power, I have only tested mine up to 250w.
The fact that Dave didn't manage to start a campfire with it, overall positive review & the manufacturer being willing to respond to questions (& shows a great deal of pride in their work) on a TH-cam video about a 20-30$ product... I'll be purchasing one.
I've been looking at these for a couple of weeks & this seals the deal😉
Thanks for the video
These look great for the money! Please do a follow up Dave!
I can attest to that ... I built it with the 0-32V 5A 0-5.000A boost version and for 30$ and a 3d printed case I have one badass power supply.
One cannot even get the parts for this price even if you buy SMD rolls of 10000.
How on earth are these guys able to *even make a profit* on these? They have to get the parts for free...
GadgetUK164 - Retro Gaming Repairs & Mods
you can buy one to test , you will like it
Kevin Miedema
thank you for your support , hope you like it , you should have a DPS3205, we will publish DPH5005, It will be great too
Stavros Korokithakis
thanik you for your support , do you have one ?
I bought a couple of these about a year ago - they work well - don't short the output or feed volts into it. It's good to see cases are available.
Pretty sure it's not a special case
Dave, did you notice that current and voltage are selectable directly from the main screen without going into the menu? As you explain it, it seems very complicated but it isn't.
Just press the "V" button and change the voltage. And the "A" button for the Amps...
I thought he would find that later. But he didn´t.
Play with Junk
yes, you are right , in the first, he did not find it out .. at his second video, he knows
thank you very much for your explain ...
Björn Hellgren
he found it now ... in the second video , he show this operation
Walter Boxhead
he should be very busy and we can understand him , about the operation, we will make it better
you mean how to set some data and store it into data group ?
Ran one of the dps5015's on a resistive load as a room heater in my office most of last winter, the little module held up like a champ! Ran it at full current load for hours at a bit over 700w everyday without a bit of trouble, seems like it would even run slightly more current than rated. Good little bit of kit!
I’ve been using the RuiDeng BPH3205 on my bench (and on my channel) for a few months and it works extremely well as a buck boost on my 12 volt lead acid batteries. It’s worth noting you can adjust the voltage and current output without going into the full setup menu by pressing the V or A button and then using the rotary encoder. Great value as you say.
"If you haven't got a whole bunch of spare plug packs...you're not really trying." Best Laugh o' the Day Award winner. Thanks Sir Dave!
Very nice Video Dave !
I too love all these cheap Chinese doodads and gizmos. Very inexpensive way to get an adjustable bench power supply- for those of us who like to tinker. Bought a load of stuff last year for not much more than postage and with the electronic junk we harvest from the scrap pile, my little middle school student electronic club has parts and such to learn and tinker with. Kids still love to learn about, tear apart, and up-cycle electronics, just as we did as kids- warms my heart. Keeping the electronics bug going for another generation ! Be Well !
I have been dying for someone to do a review on one of these, been looking at them for a while. I've just pulled the trigger on a 50v 5A one before the price skyrockets.
Dave giving good reviews of chinese stuff, what a time to be alive.
yes, thank for Dave. in fact, our produce is good, so he can give me good review. if it is rubbish , he will not see it
It's good to see that the guy with a lab full of thousand dollars scopes and test equipment is still recommending these low end products, he can probably remember the days when stuff like this was all he could afford, much like many of his viewers.
@@rdtech9153 do you have dual rail power supply?
@@nitinkumar29 sorry for now we don't have that
Nice to see you do a video on a bit of kit that's affordable to pretty much everyone. They look like a great option for hobbyists and tinkerers on a budget.
Pete Allum As they say, you can never have enough power supplies. :-p
A while back i got one of these, a computer PSU and a plastic case. I get fixed 12v,5v,3.3v and a variable output from that case.
Very useful.
I like it when you play with things that are affordable for the typical hobbyist
yep and these videos get about double the view count compared to his other videos :)
bdot02
bdot02
You can buy one to play
6:17 In a case like that, you could probably fit a 90w laptop power brick in there too...
Yeah, likely.
The DPS-series units are the way to go with these.
I've been very satisfied with the bench PSU I built with a DPS3012 and a 36V 10A power supply I had lying around.
Also, you can adjust the output from the main screen by pressing the V/A buttons and adjusting with the knob.
I've had the DPS5005 for about 6 years working great. The first few years I powered it with an old dell laptop charger at 19.5v. About 2 years ago I got a 48v brick for it and have loved it the whole time. The case they sell to go with them includes an extra cooling fan with it's own daughter board mini power supply off the input.
This channel has the best yt comments that I've seen by far!! Every body is on topic and no one is trying to be funny. You guys are awesome, have a wounderfull day!
Adeldex
yes, there are many watcher and they all like electronic.
Good looking out Dave, had half an eye out for one of these for a while.
Outstanding! I did not know that these exist. Plan on buying one soon!
One thing that is much better than even some higher priced bench power supplies: It shows set and actual value at once.
Dave, you missed the COMMUNICATION versions of some of these modules, which include serial or bluetooth connection and pc software!
Yes, forgot to mention, but I didn't have one of those.
take a look at this video for info about them and the software: th-cam.com/video/QxR-_ZnREQQ/w-d-xo.html
Sure you do, several of the boards you looked at had tx/rx/gnd headers for serial comms. Also my be worth checking out github.com/kanflo/opendps which even enables WiFi capabilities via an ESP8266
squalazzo
he should buy it 10 months ago, there is not communication version at that time
EEVblog
yes, when you buy it , there is no communication version
Dave, I also have one and you do not need to controll them from the configuration screen, which is only for the maximum ratings. You can set voltage and current from the main screen with the big letters by pressing "V" or "A" . Cheers
I have the 50V 15A version. 2 of them actually, and they work great. When I got the first one, I put it through a stress test, drawing 15A at 12V with 54V input, for an hour and it survived flawlessly. That is when I decided to order another one. Highly recommended for anyone who needs a relatively cheap and reliable CV/CC bench power supply.
I have the 12 amp version and have fully loaded it with an electronic load, for about 8 hours, without a problem. Max temp on the heatsink was about 50 deg C in an ambient of about 25 deg C. Biggest problem was finding a TX big enough to provide the DC input but I lucked out and was gifted a DC pack from a scrapped MRI scanner! That had a huge toroidal TX on it, with some hefty bridge recs and smoothing caps! They are really nice little modules and even if they turn into magic smoke after some abuse, who cares at the price!
Excellent. Thanks for doing some basic characterisation. I have a couple of the DP50V5A ones sitting around but hadn't got around to trying them.
Let's see the big power ones!!
he will make , and you can go to our channel to our video and our friends video, there are many test for DPS5015 and DPS5020
👍😁 This was quite instrumental and I'm glad you had the power to regulate this current information in a way that wasn't conFUSEing.
I was afraid of shorting mine! Thanks for checking them out.
Hey Dave. Please make more videos on these nice little modules. Please do a simple efficiency test and take look on the big one. I love high current power supplies.
"I just wanted to mention these types of devices, in this video I'm not going to be characterizing them or anything"
*looks at timeline, 12 minutes left*
He's going to characterize them isn't he...
Hahahaha LITERALLY thought exactly the same thing
It's rather annoying.
Hi Dave, these are very good performers. I made a few different combinations up recently, one as a portable battery powered bench (field) supply running a 3s 5Ah lipo into a boost regulator and the appropriate module giving 0-30v and up to 5A.. fully portable, it works brilliantly.
Another is the 15A version backed up with a 350W smps which I use to charge a 200Ah 24v lead acid EV battery, and it does full load (300W) for hours, and has done dozens of charge cycles with that vehicle. It runs pretty warm but no runaway.
The last one is a brute with a 750w smps (48V/16A) and it really delivers. For the money no other option comes close.
This video cleared some of the fog Dave, I was in doubt about these power supplies. Thanks for sharing!!
Gotta love that "Q.C. PASSED" sticker. Improves confidence by at least 200%.
Torsten B Especially when you realize that every electronic device out of China that has ever suffered an early catastrophic death carried that exact same sticker. Definitely inspired confidence! LOL
The sad thing is that the seem to apply those stickers without ever powering on many (most/all?) devices as I have received other China export products where the input or outputs of a power supply were clearly bridged across with solder, so a dead short, yet still carried that silly QC sticker! That or "Inspector ##"!
The module Dave was showing at 14:02 had a serial connection marked on the board. Wonder what its for?
I don't know which part you want to see?
Awesome! Been looking bench power supply for a while to my random usage. Bought 32v 5A version of this!
Output power protection is good for things like LED modules ... You may get different voltage and current depending on temperature of module but you can still set hard limit for power to protect module.
I have a 35V 15A version of one of these hooked up to a 36V 20A DC power supply. Works great. It is a bit noisy, but I just add extra filtering to any sensitive projects. I haven't tested it below 1.5V, but it does give a full 15A at 1.5V.
I didn't know about these power supplies. They look pretty good. I would certainly like you to do more videos on them Dave.
mad , i just bought a dps3003 one few weeks ago . Glad you gave em look . Now it just has to arrive . Mail to Canada from China is a crap-shoot time wise.
Ive got one of thse little module units which i run off a 18v Li Ion power tool battery. Also added a little beeper set to 15v so i dont run the battery down too much. Works as a great portable little power supply!
TheColinputer If you are using the Ryobi 18V One+ Lithium Ion battery packs then they have the necessary protection circuitry built into the actual battery packs themselves since the battery packs had to maintain backwards compatibility with their older NiCd battery packs. So if those are what you are using then no other protection is required. But I can only say that with certainty for the Ryobi 18V One+ battery packs, though some other brands may also build protection into their batteries (as opposed to the tool).
I occasionally disassemble their battery packs to incorporate into robotics projects since their batteries have the protection and balancing circuitry built in and all that is required for charging is a 4-pin connection back to the charger (and you can use an empty battery shell to interface with an unmodified charger. But that gives me a 5-cell battery pack that ranges between 18-22V, depending upon charge state, for driving motors and a source of power to downregulate to 3.3V and 5V as needed for the sensors, control circuitry and microcontroller boards.
I use Makita mostly which dont have any cut off in them. But i also have some AEG which do however its at about 13.5v and i also have Milwaukee but i honestly am unsure about them. I just got the little USB phone charger add ons for each brand and cut part of the plastic to fit an XT60 connector. Then just use that to plug the power module into them.
I've had my eye on these for a while. I was planning to buy one and toss on a power transformer, full bridge rectifier and a smoothing cap then have a DPS3005 on the output. Also include a few nifty options of my own. If it passes Dave's test then I think I shall buy a couple.
Is the DPS3005 up to 30v 5A output?
@@irishguy200007 I think so
Definitely buying one of those. Could use a second power supply and this would make for an affordable DIY project.
Neat!
Dave, I've seen them before and contemplated using them however when you start counting the cost, they start getting quite expensive (up in the territory of actual lab power supplies). Say you wanted a 0-30V 3A PS. This module is about $32AU + supply to run (36V 3A) $15 + ABS case $15 =$62 (never mind the bits and bobs). You can get a bench power supply on ebay for $60 delivered (V/A display, steel chassis + warranty). Fine if you have a spare PS to run it, or have an abundance of cases laying around, or you want include a PS with another project for some reason. These are OK when you're taking
I saw these module a few months ago, didn't buy it because i though they were going to be crap. glad dave got a look at it.
Funny, I just got mine and put it together today. I got the DPS5005 along with the metal housing. Bought them off Banggood, $26 USD for the module, $19 for the housing. Grabbed a 60v 6.7a psu off ebay for $30 (which has a voltage adjustment range of 54-66v, so I simply set it to 54v) for a complete setup that takes advantage of its full potential. They're manufactured by Ruideng. The housing is labeled with both the RD logo and "Hangzhou Ruideng Technology"
Yeah great would like to see the video of the big one assembled. Waiting on the dsp30v5 unit now
I think I will finally find a use for this old 24V transfo resting on my rack behind the bench. Just bought the DPS3005 for 43 euros from Amazon.
being heavy into electronics i have never needed to limit my current unless im charging a small cell and i tend to use solar cells for current limiting. because of that i just use a cc cv variable step up chip and a lithium battery. making it pocket portable and a max of around 4-30v 3a. 10 dollars or less.
These are great modules. I have a DPS5015 (50V/15A) powered with a 150W 48V power supply. It is rated to charge batteries directly.
They have just introduced a cheap RS232 and Bluetooth module to control supply from PC.
Ha! I just built one of these today with the 50V 15A version xD
BTW press the V and A buttons to set the Volts and Amps instead of going through the menu. Way quicker
holy shit, that's a lot of power
TheJacksterINFO
Did you make a custom power supply for the module or does it convert the mains itself???
Tom Combe it has a input of up to 60v DC. It is not mains powered. It is literally just a buck converter on steroids.
I bought a 48v 15A supply to power mine. With tweeking you can output just over 50v at the full 15A.
TheJacksterINFO do you have a link to your supply?
Just go on eBay. "48V 15A power supply"
Please do a follow-up building out the beefed up solution you were mentioning. Great video!!
you can go to our channel , there are also many video for DPS power supply
There are newer buck-boost versions of these with much higher output as well, those have a separate module with a heatsink and fan. They are amazing, having buck-boost gives u 6-40v input 0-30v output, you can plug it into anything you find and get the power you need. Been using them for a year now every day.
DPH3205? www.aliexpress.com/store/product/RD-DPH32305-Constant-Voltage-current-Buck-boost-Programmable-digital-Power-Supply-buck-Voltage-converter-color-LCD/923042_32762131242.html
Michael Lowe that's the exact one, thanks for posting
Really good module for different volt power supply thanks
i was putting in my latest eBay order when I noticed something similar in my recommendations, so I splurged for I think the $15 and I have been so happy with it.
I went the even simpler route and got some short 2-3" chunks of wire and some "M" cable connectors. combined that with some custom alligator breakout clips and everything else using the same connections I have a very modular system.
I actually soldered to the connectors in case I wanted to use the screw terminals with a higher gauge wire or other projects.
I also picked up a LED work light that works off of 12V and because everything uses the same connectors I can just put this in line and now I have a dimmable LED light when needed.
These would be great for setting up a small electronics lab for grade school kids. Cheap to set up and you don't have to worry of the kids get rough with them.
I put two DPS5005 (sharing a 24V meanwell supply) and a DPS5015 (with a separate 5A 24V supply) in a box for a three-channel supply, and with the separate input supplies it functions as a split supply too. Very happy with it! Also worth checking out github.com/kanflo/opendps but TBH the stock firmware UI doesn't bother me too much. I think I'll update them if I find myself wanting to control or data log over the UART.
I think the opendps doesn;t include current control. Does it?
Ah, thank, thought someone might do their own firmware. But yeah, it's adequate already, not great, but adequate.
You can't control it over UART? I thought that the DPS5015 ha sthis option built in. They are selling those with USB and/or Bluetooth modules and some fancy LabVIEW software.
firewalker there ist a branch that enables current control
Please share!
Just bought two DPS5005, because of this video and another one made by our other famous Andreas Spieß - the guy with the swiss accent ;) because they added a USB and bluetooth module which enables full control via a PC.
One DPS5005 is about 39 euro at the moment with a german seller (no import tax and/or customs hassle)
When I showed a similar module on my channel a while back, the designer left a comment. The firm was called Rui Deng Technologies.
Those modules look very nice. Now that someone checked them with a oscilloscope, i think i can trust them well enough to order one. Thanks!
Awesome...I would put the 3 capacitor ac ripple on the inside of the output plugs to clean it up....I remember you covering that a while back...and yes a 19vdc laptop pack would be great
They do these now with bluetooth option and other bits,
There is also an opensource replacement firmware floating about for some of these as well..
Would love to see you test those who have higher current and voltage. I have wanted you to test these since I found them. I have built my own and is quite happy with it.
The only problem I have is to find a good case that can fit the plug pack, the module and a extra fan but isn't to big.
Hello Björn Hellgren, am also trying to build my on like this. As you did can you help me with it please?.
I have been using a 50v 15A one for half a year or so, it's really rather nice. Have not tested with more than 400W, but it does that admirably while staying fairly cool (65*C or so), yet a bit loud (though I dont think that was the max RPM on the fan). Powering it from 500W 48V power supply that I build into the same case as the module for a nice self contained unit. Overall really nice pieces of kit. Got it for 36$ on Ali at the time.
Also you can press the up and down arrow to adjust from the main screen, that's why they are marked with V and A.
Hi friend
thank you very much for your message and your support, you can try it over 400w, there is not any problem
now we have DPS5015 communication version
about the fan , it is loud? it should be not loud.. in the begining it is loud or after some times, it begin to be loud ?
Would love to see a follow up testing the full potential of the buck boost one and the 32v\12A
The symbol that Dave said he didn't know that was seen around 6:09 is the logo for the company whose page was shown at 3:39
Looks good -- and I really appreciate your delivery! Thanks, Dave!
> How to build this device
Open mail, plug in.
Well...
build ? this is only DC-DC power supply, if you want to build AC-DC power supply, you just buy a swwwtich power supply to let him as input, so they will be a great AC-DC power supply
Nothing to stop you from upgrading the heatsink on there. I mean, jeez, if you don't have a couple of heatsinks lying around, you aren't really trying.
I'd love to see someone build one of these up with a fan-ventillated enclosure and a bigger heat sink and see how much power they can push before letting the smoke out.
My 50V 20A one (max 600w) runs at 500w for 4 hours a day. Just gets warm to the touch. I use it to charge large deep cycle Lead acid battery banks. (400ah 24v). After one year, I'm still waiting for the smoke.
What do you use to power it?
lead acid battery charging as mentioned above
billywhizzy
No, what transformer/rectifiers provide the dc input voltage to the 50v 20a module?
I use a 36V 16A power supply but if you do not need 600w, you can buy the 400w for much cheaper, Shop around. Aliexpress also have some cheaper ones available. www.ebay.ie/itm/DC-3V-5V-12V-24V-36V-48V-Universal-Regulated-Switching-Power-Supply-LED-CCTV-PSU-/151886747221?var=&hash=item235d27d655:m:mQZovYXghnw8y48gBQEuuLw
I used their buck-boost converter (DPH3205) to build a bench supply. I had a 12V 13A Cosel power supply lying around which serves as input to the buck-boost converter. Very easy to build.
I wonder if they have ever heard of a wall wart in Australia. That term always gives me a chuckle.
They must be incredibly efficient, I'd love to see them put through tests and also know what switching devices and frequency they use. It reminds me of these little "class D" audio amp modules I see on ebay etc. that put out tens of watts from a tiny little board. Don't know how they're doing it!
Yes, please do more videos on these modules, it's interesting.
These would make good use of several power adapters I have in a drawer from dead laptops over the years. Now if I only had a project for all the out dated smart phones in the other drawer.
I've got the DPH3205 along with the flat 'box' style case they sell (as opposed to the angled case) and it works great for so many little projects.
Thank you for the info and I like when people videos are nice and loud.
You may also want to test switching the primary while the secondary is supposed off. May be in for some surprises with certain cheap power supplies.
Regards
Julian Ilett's channel bleeding into Dave's channel :)
Not that there's nothing wrong with that, they're two of my favorite channels.
Agreed :) BigClive as well. I'm almost certain all 3 of them have referenced each other in their videos. I almost expected him to call the instructions chinglish. but come on, "power supply is cabinet and delicate". Now if Dave says "skookum choocher"..
yes, those are best channel , and make video to best products, and they are all professional
chemicalvamp
so it can prove that our produce is indeed good , haha
unsubscribed from illet after he smashed up a watch
I bought 1 at a local pc show I got the one that goes to 5 amps cost 15.99 . Have had it for 4 weeks and have made a battery charger from it and it workes better than my craftsman battery charger. Please do more testing on these things.
On the big module I noticed TX and RX pads. I wonder if you could control it over serial?
the second versio if you press set ones than press the dail you can adjust the voltage also
There's even aftermarket opensource firmware available. However it's still not complete.
I don't understand ..
I am so happy that you are watching this. Please take a look at github.com/kanflo/opendps there are people making own custom improvements to software of your product. It would be extremely awesome if you join the efforts with them by developing opensource firmware together. That could make your product even more useful and popular as everyone would be able to make own firmware remix for special use case easily. This is the future: Customers directly working on product with manufacturer. Github works very well for this.
Dude, I was planning on building a couple different power supplies for different voltages. Thank you.
if you press V/A/arrow button on the higher power Modules you can do live Adjust which is much more comfortable than how you adjusted current and voltage.
I've heard that when you disable output on some of these that the *capacitor is still charged* to previous output voltage (possible potential on output posts) *or* perhaps if you were to then change the output voltage (say to a lower value) and re-enable output it could damage a component being supplied to (as it takes a while for the capacitor to drain to the new selected output voltage)...
if you design a psu, you can either place the output capacitance before or after the output switch or after, which means, if you toggle the switch and switch the output off, the capacitors still dump their load into your circuit, or if you switch on the load, the voltage may ramp up slower. so if i had to design that, i would rather go for the first way, put output capacitance before the switch....so there could be theoretical the problem, say you dail in 50V, switch the load of, dial in 3V and switch the load on again, realy realy quickly (say for example, you do it in software), and your psu design is not able to sink current and has realy fat massive output caps, then your load may see a voltage spike of 50V. But in reality in most cases this should not case a problem, and if it does, you probably know it
Use diodes
Great vid. Something inside my danger node does not like metal knobs on PSUs :). I do like these tiny PSU as i build many miniPC for kiosks. So many questions ... I need to explore your channel.
Hi. What about testing with battery recharging. Some modules need diode to not power it back and burn the fuse.
I really like these and recently bought the version with bluetooth and usb after having the regular 50 15. Very inexpensive and capable. Can hardly hear the fan when it's on. Planning to get one of their signal generators soon.
You should check out the Bluetooth one with software. Even more features
Got a pleasant surprise;started watching this video-looked up on my cabinet top and saw 4! cases with custom stainless steel fronts begging to be made into power supplies...
Great Video... Been using a couple of DPH 3205 (32V/5Amp) units in the shop for a year now. Work great for what we need.
Mounted 1 in the box they sell. The other in a larger enclosure with an AC to DC PS built in.
I just got my 30V 5A boost/buck converter and two 50V 20A buck converters from banggood. I'm going to build a bit beefier lab supply with those. I'll be using those only for building and testing a few more lab supplies :)
Very useful! You know if the power supply can be used on power injection for short circuit detection? Thanks!
Another great tutorial thanks, I have just purchased the DPS3012! and I am pretty sure none of them come with an inline fuse! does anyone know if should incorporate a fuse when building the case.
Thank you very much. John.. :)
Great survey across these modules! Thanks, really appreciate your analysis.
Love to see a power supply build for high power tube systems. Something with 6.3v, 12v, 0 to -150v, 0 to 600v with good amperage on all.
Hi dave, they sell also the controllable version. I think I saw the connector (or the place of the connector) on the PCBs you showed, maybe you could do a followup and check the automation purposes of these small PSUs, would be great.
Yes, that start up image you get is the logo of the manufacturer. This is the TH-cam channel of them th-cam.com/channels/y73jJ5-ZqhPzT7wJ6KTIaw.html
Nice little unit.