Are you trying to find buck converters among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling buck converters on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 11 hours of research and did 40 buck converters tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best buck converters you can buy today
- Input: DC 3 V to 40 V (input voltage must be 1.5 V higher than the output voltage, no boost)
- Output: DC 1.5 V to 35 V voltage is continuously adjustable, maximum output current is 3 A
- Steps: connect to power source, adjust the swirl button on the blue potentiometer and monitor voltage with multimeter to get the needed voltage (The factory have tested these at max voltage so they are very high by default, takes about 15-20 turns CCW before the voltage starts ramping down)
- Features: all use SANYO solid-state capacitors, 36 u thickening circuit boards, high-Q inductance with LED indicator output
- Quantity: 5 pieces; Size: 45 * 20 * 14 mm
- Input voltage range: DC 3.2V to 35V (input voltage must be higher than the voltage output to 1.5V or more can not be boosted.)
- Output: 1.25V to 30V DC voltage is continuously adjustable, high efficiency and maximum output current of 3A.
- All solid capacitors using SANYO
- 36u thick circuit boards
- High-Q inductors with high power output LED indicator
- Product parameters: input voltage is 4.0V - 40V, output voltage is 1.25V - 37V, output current is 2A (normal and stable) and 3A max, conversion efficiency 92% (highest), output ripple under 30mV, switching frequency 150KHz, operating temperature is -45 to 85 degree Celsius
- Simple to operate: the voltmeter can be turned off, and the switch can be turned off by pressing and holding the switch for more than 1 second and less than 4 seconds, once the voltmeter is turned off, simply press the switch to turn on the voltmeter
- Easy to use: with terminal block, no soldering iron is also convenient to use, and retain the wire bond point (the input voltage must be higher than the voltage to be output by 1v or more)
- Output current: the maximum output current can be as high as 3A, the recommended working current is about 2A, more than 2A plus heat sink
- Nice design: with 150KHz internal oscillation frequency, features low power consumption and high efficiency; When the output voltage cannot be adjusted and is always equal to the input voltage, please turn the potentiometer counterclockwise for more than 10 turns, and then use the module to adjust the voltage normally; This is because when the module leaves the factory, the default output voltage is about 20V
- The input voltage: 4.75 V - 23 V；The output voltage: 1.0 V - 17 V
- The output current: 3 A (Max)
- Conversion efficiency: 96% (maximum), smaller size, higher efficiency.
- When the temperature is 85 degree, automatic power-off protection, integrated reverse polarity protection.
- Applied to DIY portable sourse, vehicle power supply, communication equipment power supply, aero model.etc
- Input voltage: 3.2V~40V
- Output Voltage: 1.25V~35V
- Output current: 3A (max)
- Conversion efficiency: 92% (max)
- Output ripple: <30mV
- Mini MP1584EN DC to DC buck converter module with a wide operating range
- Input voltage: 4.5 V to 28 V; Output voltage: 0.8 V to 20 V
- Output current: 3 A (maximum); Conversion efficiency: 92% (maximum)
- Output ripple: less than 30 mV; Switching frequency: 1.5 MHz (highest), typically 1 MHz
- Operating temperature: -45 ℃ to 85 ℃; Size: 22 mm by 17 mm by 4 mm; Warning: do not reverse the positive and negative terminals to avoid any possible damage; Do not use light load (less than 10% of output power) or without load
- 【Parameter】 DROK Power Supply Module input volt range is DC 5.3-32V; Output volt range is DC 1.2-32V which is variable. Output current can reach to 8A and Output Power can reach to 120W for long-time use. If enhance heat dissipation, this converter can reach 12A and 160W output.
- 【Characteristics】 This Buck Converter is equipped with LCD Display, Acrylic Case and Heat Sink. LCD Screen can display input/output voltage, output current and output power. Voltage precision is 0.05V, current precision is 0.005A. Acrylic case can keep the converter board away from dust, which is protective. Heat Sink can keep module 120W for long-time using in a low temperature. If you want to reach maximum power 160W, please improve heat dissipation.
- 【Easy Operation】 A user manual will be included in package, which can help you easier to operate. The button can control ouput voltage ON/OFF status, and you can set the default output state is ON/OFF for the next time. The potentiometer can help you to adjust volt amp in a simple and fast way.
- 【Protection】 It has reverse-connect protection, short circuit protection and over current protection. When you connect the input wire reversely or short circuit, the module will not burn. And roate the CC potentiometer to set over current protection value you want.
- 【Application】 The volt conversion board can be used for 5v 6v 9v 12v 24V 30V 32V 3a 5a 10a devices, like solar panel, lab, experiment, RV, All-Terrain Vehicle, car, battery charger, LED stripes, etc.
- ☀【Input Voltage range】The LM2596S Input Voltage range is DC 3 V to 40 V. Note: Input voltage must be 1.5 V higher than output voltage, no boost.
- ☀【Output Voltage range】The LM2596S output voltage range is DC 1.5 V to 35 V and is continuously adjustable, with a maximum output current of 3A.
- ☀【Easy to DIY Manually】Connect the power supply, monitor the voltage with a multimeter, adjust the swirl button on the blue potentiometer to obtain the required voltage, boost clockwise and boost counterclockwise. Note: The factory default setting is 18V. Before the voltage starts to drop, you need to rotate in the reverse direction for about 7-8 revolutions, 1 revolution means +/- 1V
- ☀【High Precision and Quality】The buck converter consists of a 36u thick circuit board with high Q inductors with high power output LED indicators, suitable for various electronic projects.
- ☀【Quantity】5 piecess; Size: 43 * 21 * 14 mm (with potentiometer).
- Most of the data on the market can't be saved after switching off the voltage, but our product has been improved, Settings will be the same as when you turn on or off the voltage.
- With a voltage meter and voltmeter displays self-calibration. Uses a more advanced microprocessor voltage voltmeter error ± 0.05V, Range 0 ~ 40V. (To ensure accuracy voltmeter, make sure the input voltage of 4.5V and above)
- Touch of a button to switch the input or output voltage measurements and has a light show which is being measured voltages, and save the settings, even the power off and then on
- Input Voltage 4.5~ 40V. (Input voltage must be higher than the output voltage of 1.5v or more)
- Adjustable output voltage range of 1.25V ~ 37V continuously adjustable. (Input voltage must be higher than the output voltage of 1.5V)
- ★Input： DC 3-40 V (input voltage must be 1.5 V higher than the output voltage, no boost).
- ★Output: DC 1.5-35 V voltage is continuously adjustable, maximum output current is 3 A.
- ★Easy work: convenient to accurately adjust the output voltage with a mini screwdriver.
- ★Features: Thickened circuit boards,Short circuit and over-temperature protection.
- ★Application: widely used for DIY mobile power, monitor power supply, power buggies,communications equipment supply,etc.
- ★Designed with 75V/80A large current dual MOS tube. Input and output use high frequency low resistance electrolytic capacitor, low ripple, stable output.
- ★This step-down voltage module with a wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current.
- ★The efficiency can be up to 96%, measured at 20A, converting 24V to 12V. Wiring is convenient with these large current 30A screw terminals.
- ★The buck module has 2 heat sink that could enhance heat dissipation, extending service life. When there is a big difference between input and output voltage, please decrease power and current.
- 【Applications】: Motors, audio, monitor, LED car display, air conditioner, fans, solar energy, photovoltaic energy, DVD, LED lights, pumps, industrial equipment appliances, etc.
- PARAMETER --- Input voltage range DC 6V-32V; Output voltage DC 1.5V-32V; Max output current 5A, recommend use of within 4.5A; Max output power 75W, recommend use of within 50W.
- GENERAL USE --- As ordinary step-down module with over-current protection; As constant current LED driver module; DIY a solar power controller, etc.
- DISPLAY --- Large clear digital LCD display voltage & current value simultaneously.
- FEATURES --- Constant current/voltage mode; Voltage calibration & current calibration; USB interface; Protective case; Short-circuit protection; Over-temperature protection; Input reverse connection protection.
- NOTE --- 1). Output voltage is set as around 20V by default, if your input is lower than that, please turn potentiometer anticlockwise for 10 laps or more until voltage changes. 2). The case is packaged unassembled to avoid damage during transit. It needs to be manually installed. 3). Please carefully read the user’s manual, especially the “Cautions” before using. You can find the PDF Instructions on this page -- Product information -- Product guides and documents -- User Manual [PDF].
- Application: Motors, audio, monitor, LED car display, air conditioner, fans, solar energy, photovoltaic energy, DVD, LED lights, pumps, industrial equipment appliances, etc.
- wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current. The efficiency can be up to 95%,(measured at 20A, converting 24V to 12V).
- Short Circuit Protection: Self-recovery(cannot short circuit for long time). Plus, when input and output is common grounded, no-load CV output constant voltage,CC output constant current
- Adopting 75V / 80A large current dual MOS tube designed step-down board, Input and output use high frequency low resistance electrolytic capacitor, low ripple, and gives a stable output. Large current 30A connection screw terminals, more convenient to install
- 【Adjustable Output Voltage and Current】For DROK buck converter: Input voltage range is DC 10-65V; Output voltage range is DC 0-60V, can be arbitrary adjustable and used to convert 24v to 12v 5v; Output current range is 0-12A, can be arbitrary adjustable; Max output power is 720W.
- 【LED Display】This power supply module is designed with LED display, which can show real-time voltage, current, capacity and time.
- 【Constant Current and Voltage with Indicator Lights】This volt transformer board can set constant output voltage and constant output current by the key buttons. Also, the module is equipped with working status indicator lights, which are output OUT, constant voltage CV and constant current CC respectively, so that the working status can be checked in real time.
- 【Auto Output and Button Lock Mode】Automatic output can be set after power on. And The parameter adjustment button can be locked to prevent misoperation to adjust the output voltage and current parameters.
- 【Cooling fan and cooling pad】This adjustable power supply converter is equipped with cooling fan and cooling pad which can keep it cool when it’s too hot.
- ✅The buck converter consists of a 36u thickened circuit board, a high-Q inductor with an output LED indicator, and a high-quality solid-state capacitor that can effectively filter out high-frequency noise
- ✅Product parameters: the input voltage is DC 4.0~40V, the output voltage is 1.25V-37V (continuously adjustable, the input voltage must be 1V higher than the output voltage), the output current is 2A (normal and stable), the maximum is 3A, and the conversion efficiency is 92% ( maximum), the output ripple is less than 30mV, the switching frequency is 150KHz, and the operating temperature is -45°C to 85°C.
- ✅NOTE: This is a buck module. The input and output connectors cannot be reversed. The input voltage must be higher than the output voltage. A radiator is required for long-term work above 2A/15W. When using it for the first time, it is necessary to turn the potentiometer counterclockwise more than 10 times.
- ✅High efficiency: 150KHz internal oscillation frequency, low power consumption, high efficiency. The conversion efficiency is as high as 92%. The input terminal is protected by a diode, and the reverse connection will not burn the module. With overheat protection and short circuit protection
- ✅Application: The LM2596 step-down converter can be used in fields where the input voltage is higher than the step-down output voltage, such as batteries, power transformers, etc. Buck modules can be used in many electronics projects.
- 💎【LM2596 DC to DC Converter Voltage Regulator】: It can be used in the step-down field where the input voltage is higher than the output voltage, such as batteries, power transformers, DIY adjustable regulated power supplies, 24V car notebook power supplies, industrial equipment step-down, 12V to 3.3V, 12V to 5V, 24V to 24V 5V, 24V to 12V, 36V to 24V, etc.
- ⚡【Input voltage】: DC 3.2V - 46V（It is recommended not to exceed 40V）
- ⚡【Output Voltage】: DC 1.25V - 35V (Adjustable)
- ⚡【Output Current】: 3A (Max)
- 🥇【Voltage adjustment button】: the default is about 18V, 1V for 1 turn. Boost clockwise.
- Uses synchronous rectification technology, has high conversion efficiency and stable performance; The input should be at least 3V higher than output.
- With potentiometer on the bottom, which allows you adjust the accuracy with the mini screw, but ensures you won't easily change its setting when mounted.
- Fully sealed, outer enclosure acts as a heat sink, specially made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable.
- With reversed-connection protection, over-current protection, over-heating protection and over-voltage protection, hence is safe to use.
- Perfect for electronic hobby project, wide application, you can use it on radio, Car Audio, LED display, motor, cell phone, etc.
![D-Planet [4-Pack] 5A DC-DC Adjustable Buck Converter 4~38v to 1.25-36v Step Down Power Supply High Efficiency Voltage Regulator Module](https://m.media-amazon.com/images/I/513bL87+o9L.jpg "The 8 Best buck converters of %currentyear% 44")
- Input voltage range：4～38V (Note:input voltage not over 38V)
- Output voltage range：1.25-36VDC adjustable.Output current: 0-5A,Output power: 75W
- High conversion efficiency up to 96%
- Updated Version: updated from LM2596 and better than it, with reverse voltage protection, over-temperature and short-circuit protection, thus making it much safer to use
- 100% SATISFICATION SERVICE: If there are any problem with our products, please feel free to contact us. you can request a refund for any single module and no need to return it.; Any problems you can contact us and we will try our best to resolve it till you satisfied.
- Aceirmc buck converter input voltage range is DC 6-40V, adjustable output voltage range is DC 1.2-36V, can be used to convert 24v to 12v 5v, adjustable output current range is 0-20A, max output power is 300W. The step down regulator can apply to constant output current.
- With a wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current. The efficiency can be up to 95%,(measured at 20A, converting 24V to 12V).
- Short Circuit Protection: Self-recovery(cannot short circuit for long time). Plus, when input and output is common grounded, no-load CV output constant voltage,CC output constant current
- Adopting 75V / 80A large current dual MOS tube designed step-down board, Input and output use high frequency low resistance electrolytic capacitor, low ripple, and gives a stable output. Large current 30A connection screw terminals, more convenient to install
- Application: DIY stabilized voltage supply, LED car display, mobile power, industrial equipment appliances, LED driver, monitor, solar energy, fans, photovoltaic energy, motor, etc
- LM2596 DC-DC Buck Step-down Power Converter Module
- 4.0-40V to 1.25-37V LED Voltmeter
- output voltage range of 1.25V ~ 37V
How to choose a good buck converters
Does the idea of finding a fantastic buck converters make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in buck converters. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top buck converters products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top buck converters on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top buck converters brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top buck converters based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the buck converters were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good buck converters, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your buck converters.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting buck converters for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our buck converters. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what buck converters should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on buck converters.
