How can I control output current to be under 2Amps for 12 or 18V? I have source rated as 24V 2.5A which I plan to feed into this buck converter.
853539
You can just plug it in, the converter will only use what it can, I use this with 9V 3A to convert to 5V, the max current draw I measured is ~ 1.9A.
853540
No adjustment available on this unit. You might consider installing a current limiting resistor on the output. Great unit with such a wide range of input I use it with a solar panel and packs of spent alkaline batteries for phone charging.
853541
Well, current will depend on the draw of what you are connecting it to. you could put an inline resistor if needed. To control the voltage, you just turn the pot screw until the meter reads the voltage you want. you could do 12 or 18 volts with a turn of the screw driver. basically, this should do exactly what you want.
853542
I am not sure why you want to limit the current, but the LM2596 switching regulator used on this board is thermally protected so if you try to over drive it, it will shut down to prevent harm. If you really want to limit the current, you will probably need to design a circuit to do that. You might find something on-line that would guide you through this process.Stewart
441057
This is nothing more than a 12 volt dc power supply. Check the voltage and current demands of your application and if they require 12 volts dc and less than 2.5 Amps than it will work. If it is AC or more than 12 volts dc or if it requires more than 2.5 Amps than it will not work.
161683
It puts out around 13 volts, if you had a device that can convert the output to 24v maybe that would be a possibility but I don't know
1493391
That depends on the power / current requirements of your door lock. If it is a 1A 12V lock then that means your input current would have to be 2.4A even if the buck/boost converter was 100% energy efficient and had no loss. Since there will be conversion losses your input current (for a 1A 12V load) is probably at the 3A maximum rating for this converter. If your lock requires more then 1A then this is not the correct DC-DC converter to use for your application. Also make sure that your signal source can supply 5V at the required current. If the input voltage drops because of the load then the input current will increase even further. That depends on the power / current requirements of your door lock. If it is a 1A 12V lock then that means your input current would have to be 2.4A even if the buck/boost converter was 100% energy efficient and had no loss. Since there will be conversion losses your input current (for a 1A 12V load) is probably at the 3A maximum rating for this converter. If your lock requires more then 1A then this is not the correct DC-DC converter to use for your application. Also make sure that your signal source can supply 5V at the required current. If the input voltage drops because of the load then... » Read More That depends on the power / current requirements of your door lock. If it is a 1A 12V lock then that means your input current would have to be 2.4A even if the buck/boost converter was 100% energy efficient and had no loss. Since there will be conversion losses your input current (for a 1A 12V load) is probably at the 3A maximum rating for this converter. If your lock requires more then 1A then this is not the correct DC-DC converter to use for your application. Also make sure that your signal source can supply 5V at the required current. If the input voltage drops because of the load then the input current will increase even further. « Show Less
1529373
I've read that you should only use a converter for up to half the rated power output, so anything up to 150 watt would be OK. So, I'd suggest you get a more powerful converter, e.g. 500 W.
1664164
There is a screw-like knob, between the two blue output blocks in the photo, which can be turned with a screwdriver to change the output voltage. You'll need a voltmeter to measure the output in order to set it to a specific value.
1664159
The model I purchased called for a 12V input with a 24V output. On the end of the circuit board there is a blue colored trim pot which can adjust the 24V up or down in voltage. As I recall the trim pot is 50K ohm.
2124910
I had this set up for a while. Wire the subs to 2ohms. Better to over power a sub than under power
1091997
There is no "output voltage". It's simply a switch. I'm fairly certain it can handle 24 Volts.
317800
you have to look controler . to see if it can handle 46volts . as most 24 v system . handle 32v . are you sure you not have series them ? is this unloaded voltage ? even that seems high as mosr are 42 v . most charge controler have a 28 .2 voltage full charge cut off . it in equzation mode 32v . this why most panels are over rated . in watts , good rule is take away 1/4 . so a 1000 watts realy put out 750 . a mppt control helps by 30% .
1552473
Dear Dale, what is the current rating of the fan? the converter can supply 3A maximum. Beware that you cannot exceed the input voltage (40V). 36 VDC is fine if the source doesn't generate spikes above 40V. A 12 gauge wire is massive, much more than you need for the 3A this converter can supply. Again, I have no idea if it is enough for your fan. Regards, Jorge
1039290
I'm not sure I get your question. What do you mean by +/-5 volts? It's a baisic step down converter.......I believe input voltage must be greater than output voltage! I don't quite understand why you would hook up 2 together, do you mean in series or parallel?
2007641
Change the jumper on the control board from 24vac to 12vac. The default value is 24vac.
762258
You need to find a AC adapter which output voltage is 12.5V, output current is 2.5A. Go to the market to find one.
1809051
The manual clearly indicates a maximum input voltage allowed as 18v DC. I have had it as high as 15.5v DC with no problems. I would NOT recommend 24v DC.
440961
8.0A - I use it with this AC/DC converter http://www.amazon.com/gp/product/B0034GUEY4 (30 watt) and they output 2.5A.
1690805
As R. Ware answered and I agreed, you should use 24V AC power supply. If you do not have access to 24V power supply then you may use a transformer to reduce the 110V to 24V. DC power supply that is generated by batteries are not recommended and will be a headache and may not work either.