|Item Weight||2.4 ounces|
|Product Dimensions||3 x 1 x 2 inches|
|Item model number||1500153|
|Size||7-36V to 1.25-32V (Blue LED)|
|Item Package Quantity||1|
Yeeco DC DC Buck Voltage Regulator Power Converter Supply Constant Voltage & Current Volt & Amp Converters Adjustable 7-36V to 1.25-32V Step Down 5A 75W LED Driver LED Voltmeter Display USB Output
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- Input voltage:DC7-36V ;Output voltage: DC1.25-32V (continuously adjustable,default output 17V) 36V to 24V 12V 5V 3.3V 3V
- Output current: 5A Max(use it within 4.5A); Output power: 75W Max(use it within 50W, reduce power if the pressure difference is big)
- Use as battery charger,high power constant current LED drive module,normal Step-down modules with over current protection capability
- Input reverse polarity protection: No(if necessary, please in input String into high current diode)
- Short circuit protection ,Output is more than 3A/35W, please enhance heat dissipation
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Input voltage:DC7-36V ;Output voltage: DC1.25-32V
Output current: adjustable, 5A Max(please use it within 4.5A)
Output power: 75W Max(please use it within 50W, if the pressure difference is big,please reduce power)
Working frequency: 180KHz
Conversion efficiency: Up to 96%
Working temperature:-40°C - +85°C
Installation: 4pcs 3mm screws
Module dimensions: L 68.2mm*W 38.8mm* H 15mm
Short circuit protection : Yes
Input reverse polarity protection: No(if necessary, please in input String into high current diode)
Wiring: terminal block or solder terminals, V-IN is the input, V-OUT is output
Use as a battery charger
Use as high power constant current LED drive module.
1. The factory default output voltage is 17V. If the module can not be adjusted, the output voltage is always equal to the input voltage.When you encounter this problem, counterclockwise rotation of the potentiometer 10 laps or more, by doing this you can adjust the output voltage.
2.Because of Module output terminal string has a current sampling resistor, it is a normal phenomenon that there will be 0-0.2V voltage drop after connected to the load.
3.When its output is more than 3A/35W, please enhance heat dissipation!
4.This DC converter is single output, the output voltage of the USB port is the same as the output voltage of the module, if your load is USB device, please make sure the module's output voltage is set at 5V.
5. Single output, the output voltage of the USB port is the same as the output voltage of the module, if your load is USB device, please make sure the module's output voltage is set at 5V.
1 x Buck Converter
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18 volts in 16.4 volts out to charge 18650 4s 5p @ 4.5 amp just below the 73.8 watts Found the data sheet for this and it is only capable 5 amp so anyone that uses this would be wise not to push it past 4 amp even with improved heat dissipation which i had did as well and it popped just before it got to 5 amp constant sitting on a cpu heatsink with one 2 copper spacers and thermal tape bonding it.
On the bright side Yeeco was nice enough to send me a replacement it is still working cause frankly i cant trust it to keep working so ive pretty much stopped using it and if i do use it i will not take it past 4 amps.
My only gripes with this thing has to do with the LCD display. It only illuminates the right side of the display. It's beautiful but unevenly lit. Product pictures do not do this thing justice for how nice it looks when illuminated. It is dim on the left side because the single LED backlight is in the top right corner of the display. :( It needs another LED on the left side of the display in my opinion. The cloud logo thing on the display does absolutely nothing and takes up space that could be better suited for something useful. I LOVE how it remembers the voltage setting you choose ensuring the next time you turn it on it will act the same.
I am ordering another because I need 2 buck converters for my project and it's worked perfectly for a solid month. It's solid performer but could really use an LCD display redesign. In my opinion this is a must have product for any electronics hobbyist. It's beautifully designed, tiny, and does a better job than products 10x its size and price.
When I first turned it on, the 5.03v on the display read 5.25v on my fluke so it needed to be calibrated. Step 1 in the documentation says
"When power outages, long press left button to access the power supply ".
What does that even mean?
What I did was, 1. Pull the plug, 2. press and hold the left button and plug it back in. The display started blinking and I was now in the calibration mode. 3. Use a good DMM and the two buttons to adjust the display to 5v and you're done.
I also put my meter in series with it to measure the displayed current and it was pretty accurate.
It's small, looks nice and like a few other reviewers, I use an old laptop PS with a 19.5v output and I can adjust down to just about any voltage I want.
Since I'm only drawing 20ma I can't speak to the regulation but I'd certainly recommend it.
For those wondering how to set a constant current (amperage) for your load, first power it and set a low output voltage such as 12v then connect the two output terminals (yes the positive and negative output terminals). It brings up a different screen then you can adjust the "ADJ-I" potentiometer to set your desired current (amperage) load make sure your input amperage can support a little more what you desire on the output. Disconnect the connection between the outputs and then reconnect to your load, then you can adjust to whatever voltage output you need to power your device the higher you go the more amps it will draw up until the limit you set it at, you will notice the CC SMD LED slightly glow sometimes because its working!