voltage converter board buyer’s guide for 2022

We spent many hours on research to finding voltage converter board, reading product features, product specifications for this guide. For those of you who wish to the best voltage converter board, you should not miss this article. voltage converter board coming in a variety of types but also different price range. The following is the top 10 voltage converter board by our suggestions:

Best voltage converter board

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QLOUNI 6 Packs LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Regulator Module QLOUNI 6 Packs LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Regulator Module
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eBoot 6 Pack LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module eBoot 6 Pack LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module
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USB Input Converter Board, DROK 2pcs Buck Boost Voltage Regulator Module DC 3.5~12V 5V to DC 1.2-24V 3.3V 9V 12V 24V Adjustable Output Digital Display Power Supply Step Up Down Volt Transformer Board USB Input Converter Board, DROK 2pcs Buck Boost Voltage Regulator Module DC 3.5~12V 5V to DC 1.2-24V 3.3V 9V 12V 24V Adjustable Output Digital Display Power Supply Step Up Down Volt Transformer Board
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5v Voltage Regulator, DROK 5pcs Mini Voltage Reducer DC 4.5-24V 12V 24V Step Down to 5V Buck Converter Board 3A Volt Step-down Transformer Power Supply Module 5v Voltage Regulator, DROK 5pcs Mini Voltage Reducer DC 4.5-24V 12V 24V Step Down to 5V Buck Converter Board 3A Volt Step-down Transformer Power Supply Module
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DROK LM2596 Numerical Control Voltage Converter Board DC 5-32V 24v 32v to Adjustable 0-30V 12 v 5 v Switching Regulator Module 1.5A Volt Transformer with Red LED Voltage Tester DROK LM2596 Numerical Control Voltage Converter Board DC 5-32V 24v 32v to Adjustable 0-30V 12 v 5 v Switching Regulator Module 1.5A Volt Transformer with Red LED Voltage Tester
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DROK Uninterruptible Backup Power Supply Module Voltage Converter UPS AC 110V-240V to DC 13.5V 5A Volt Regulator Transformer Board DROK Uninterruptible Backup Power Supply Module Voltage Converter UPS AC 110V-240V to DC 13.5V 5A Volt Regulator Transformer Board
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DROK Auto Boost Buck Converter, DC-DC 5.5-30V to 0.5-30V Adjustable CC CV Step UP Voltage Regulator 4A Step-down Volt Transformer 50W Power Supply Module with LCD Display DROK Auto Boost Buck Converter, DC-DC 5.5-30V to 0.5-30V Adjustable CC CV Step UP Voltage Regulator 4A Step-down Volt Transformer 50W Power Supply Module with LCD Display
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Icstation Mini DC to DC Voltage Regulator Step Up Boost Converter Power Supply Module 1V-5V to 5V 500mA (Pack of 5) Icstation Mini DC to DC Voltage Regulator Step Up Boost Converter Power Supply Module 1V-5V to 5V 500mA (Pack of 5)
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DC Buck Module, DROK Adjustable Step Down Voltage Buck Converter 6V-32V 30V 24V 12V to 1.5-32V 5V 5A LCD Power Supply Volt Reducer Regulator Transformer Module Board with USB Port Protective Case DC Buck Module, DROK Adjustable Step Down Voltage Buck Converter 6V-32V 30V 24V 12V to 1.5-32V 5V 5A LCD Power Supply Volt Reducer Regulator Transformer Module Board with USB Port Protective Case
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HJ Garden 7 IN 1 Common Electronics Fun Kit 12V 1A Power Supply Adapter, Voltage Converter Module, 830 Point Breadboard, Potentionmeter, Jumper, Resistor, Touch Switch For Arduino, 3D Printer HJ Garden 7 IN 1 Common Electronics Fun Kit 12V 1A Power Supply Adapter, Voltage Converter Module, 830 Point Breadboard, Potentionmeter, Jumper, Resistor, Touch Switch For Arduino, 3D Printer
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Related posts:

1. QLOUNI 6 Packs LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Regulator Module

Feature

Input Voltage -- DC 3 V to 40 V (input voltage must be 1.5 V higher than the output voltage, no boost)
Output Voltage -- DC 1.5 V to 35 V voltage is continuously adjustable, maximum output current is 3 A
Easy to Use -- Connect to power source, adjust the swirl button on the blue potentiometer and monitor voltage with multimeter to get the needed voltage, clockwise to step up voltage and counterclockwise to step down voltage. (Factory default stays 18V, you need to contrarotate about 7-8 circles before the voltage starts ramping down, 1 circle means +/- 1V)
High Precision Buck Converter -- Consists of 36u thickened circuit boards, high-Q inductance with output LED indicator, and superior solid-state capacitors that can effectively filter out high frequency noise
Good Heat Dissipation -- The efficiency of the LM2596 up to 92%, power loss = amount of heating = 100% - efficiency %, the heating power will be about 8% of the input power, much less than a resistive voltage dropper

Description

6 Packs LM2596 3.0-40V to 1.5-35V Step-down Regulator Module of QLOUNI

Stable Output Voltage
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

With Mounting Holes
There are two mounting holes on the diagonal side, the holes are 0.139 inches/ 3.53 mm, the buck converter is a good efficiency non-isolated boost module.

Kindly Note:
1. Input voltage must be 1.5 V higher than the output voltage, no boost
2. Do not reverse the input and output interface
3. Keep output under 2.5A and use a heat sink when for a long time working

Specifications:
- Model: LM2596
- Input voltage: DC 3V - 40V
- Output Voltage: DC 1.5V - 35V (adjustable)
- Output Current: 3A (max.)
- Conversion Efficiency: 92% (max.)
- Switching Frequency : 65KHz
- Rectification: non-synchronous rectification
- Module property: non-isolated buck module
- Operating Temperature: -45 to +85
- Load Regulation: 0.5%
- Voltage Regulation: 2.5%
- Size(L x W x H): 45*23*14mm / 1.77*0.91*0.55inch

Package List:
6x DC to DC Buck Converter Module

2. eBoot 6 Pack LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module

Feature

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
Features: all use SANYO solid-state capacitors, 36 u thickening circuit boards, high-Q inductance with LED indicator output
Quantity: 6 pieces; Size: 45 * 20 * 14 mm (with potentiometer)
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)

Description


eBoot 6 Pack LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module

Features:
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

Notes:
The input and output interface can not be reversed.
Keep it under 2.5 A and use the heat sink when working for long hours.

3. USB Input Converter Board, DROK 2pcs Buck Boost Voltage Regulator Module DC 3.5~12V 5V to DC 1.2-24V 3.3V 9V 12V 24V Adjustable Output Digital Display Power Supply Step Up Down Volt Transformer Board

Feature

DROK dc-dc converter board input voltage range is 3.5V~12V, support standard USB and micro USB 5V; adjustable output voltage range is 1.2v~24v.
Data Guaranteed: This buck boost converter is designed with power-off storage function, the status and data would be automatically stored when powered off.
Adjustable Potentiometer: our adjustable voltage regulator adopts multi-turn precision adjustable potentiometer, the voltage can be adjusted accurately.
USB Ports: With a USB male port and a micro USB port, it can be connected to the USB port or pads as you want.
ON/OFF Switch: The output and the digital display can be turned on/off freely by the switch. Short press the switch to turn off the output; hold press the switch to turn on/off the digital display.

Description

Introduction:
This item is a buck/boost converter board, can be powered by USB or pads, can step up/down voltage easily by adjusting the potentiometer.

Parameter:
Input Voltage: 3.5V~12V, support USB and micro USB 5V.
Output Voltage: Adjustable 1.2~24V
Output Power:
When output voltage is 1.2v~2v, please use it within 2W;
When output voltage is 2v~20v, please use it within 3W;
When output voltage is 20v~24v, please use it within 2.5W.
Display: 3-Bit digital display
Size: 80*20*14mm

Direction of Potentiometer Knob:
clockwise--increase voltage;
counterclockwise--decrease voltage.

ON/OFF Switch:
Short press to turn on/off the output;
Hold press to turn/off the digital display.

Using Steps:
Input voltage from Standard USB or Micro USB or 'VIN+' and 'VIN-';
Turn ON display screen;
Adjust potentiometer to get the required voltage;
Connect load.

Note:
This buck boost converter module is not a high power supply, please use it within the power range listed above.

Package Included:
2x DC-DC Converter Board

4. 5v Voltage Regulator, DROK 5pcs Mini Voltage Reducer DC 4.5-24V 12V 24V Step Down to 5V Buck Converter Board 3A Volt Step-down Transformer Power Supply Module

Feature

DROK Buck converter input voltage range is DC 4.5-24V, adjustable range is 0.8-17V, fixed output are 1.8V, 2.5V, 3.3V, 5V, 9V, 12V that can be chosen on the back side. Output current is 3A max (please enhance cooling work when it is full load); when real tested input 12V and output is 1.5A, no need to add special system.
Output integrated adjustable and fixed voltage, you can get fixed output voltage by soldering the pot on the board. If the fixed output voltage is not what you want, you can adjust by potentiometer.
High efficiency and super compact size, high frequency and low ripple, stable working performance, wide range of applications, will be a good component for fixing work.
Strong and high quality construction: imported potentiometer and 3A current chip, high current shielded inductors and MLCC solid capacitance with long service life.
Integrated enable port defaults the working mode and it will be off when it is at low electric level off, which bring a great convenience for users.

Description

Parameters:
Input Voltage: DC 4.5-24V
Output Voltage: Integrated adjustable and fixed output (Adjustable range is 0.8-17V, fixed output are 1.8V, 2.5V, 3.3V, 5V, 9V, 12V that can be chosen on the back side)
Output Current: 3A max (please enhance cooling work when it is full load); When real tested input 12V and output is 1.5A, no need to add special system.
Conversion Efficiency: 97.5% (highest) (6.5V to 5V, 0.7A)
Switch Frequency: 500KHz
Output Ripple: 20mV(12V to 5V, 3A) 20M width
Operating Temperature: -40 ~ +85(Industrial class) (The higher the operation temperature is, the smaller the output power is)
Output Over-voltage Protection: no
Temperature rising range at full load: 40
Static Current: 0.85mA
Voltage Adjustment Rate: 0.5%
Dynamic Response Speed: 5% 200uS
Output Short-circuit Protection: yes, please don't keep making it short-circuit.
Output Reverse Connection Protection: no
Enable Function Control: yes, Low electric level will stop working when high electric level is working. High electric level is 2-5V, low electric level is 0V or so.
Wiring Method: soldering
Input Method: soldering
Output Method: soldering or pins
Welding Hole Spacing: 2.54mm

Package Includes:
5 x Mini DC-DC Buck Voltage Module

5. DROK LM2596 Numerical Control Voltage Converter Board DC 5-32V 24v 32v to Adjustable 0-30V 12 v 5 v Switching Regulator Module 1.5A Volt Transformer with Red LED Voltage Tester

Feature

DROK buck converter input voltage range is DC 5V-32V, output voltage range is DC 0-30V, can step 32v 24v 12v down to 5v, or convert 24v to 12v; max output current is 1.5A, max output power is 30W.
On/off is the output Voltage control button when connect the power supply, the Default option is to turn on the output Voltage press the button will turn off the output Voltage then press it again can turn on the output Voltage again, followed by recycling; the two buttons named in and out (which are on the left of the digital display) can switch between current input Voltage and output Voltage.
Set Key is to set the output Voltage, press set shortly, the Decimal place of output Voltage flashes; press the two buttons named + and - to increase or decrease the value.
The dc-dc voltage regulator board is low power consumption, and has terminal and retain the wire bonding wiring point.
Note: please make sure that you use this module within its working range; do NOT output short-circuit or charge the battery, otherwise the board would burn.

Description

Parameters: Input voltage: 5-32.0V (we suggest you to leave margin) Output voltage: 0-30.0V Output current: 1.5A Max (please enhance cooling when > 1.5A) Output power: 30W Max Output voltage preset resolution: 0.1V Voltage testing accuracy: +/-(1%+2 digits) Wiring connection: IN+: connect IN+ to your Input + IN-: connect IN- to your Input - Out+: connect OUT+ to your output + Out-: connect OUT- to your output - How to use: 1. ON/OFF is the output voltage control button. when connect the power supply, the default option is to turn on the output voltage. press the button will turn off the output voltage. then press it again can turn on the output voltage again, followed by recycling. 2. The two buttons named IN & OUT (which are on the left of the digital display) can switch between current input voltage and output voltage. 3. SET key is to set the output voltage. Press SET shortly, the decimal place of output voltage flashes. press the two buttons named + & - to increase or decrease the value, thereby setting the decimal place of output voltage. after select the required value of decimal place, press SET again and the integral place of output voltage starts flashing. with the same two buttons can set the required value by using the same method. when the required value is set, press the SET to quit setting. if you don't press the SET key, the setting will be automatically quitted after 6 seconds and the item will store the current setting value. Note: 1. Please make sure that you use this module within its working range; do not output short-circuit or charge the battery, otherwise the board would burn. 2. When you set the parameter, please use the module after you make sure output voltage is stable to avoid any possible damage.

6. DROK Uninterruptible Backup Power Supply Module Voltage Converter UPS AC 110V-240V to DC 13.5V 5A Volt Regulator Transformer Board

Feature

DROK UPS Power Converter input voltage range AC 110V-240V, input frequency 50/60Hz; output voltage DC 13.5V, 5A, 60W
Application: the UPS power supply can centralized UPS power cameras, alarm probe, locally or other places that need continuous power
With battery interface, can be used with lead-acid battery and the maximum can be equipped with 12V 7AH battery, the voltage after power off is the direct output voltage of lead-acid battery
Multi-functional: with UPS function, it has high charging efficiency when charging battery and also can control battery's charging status automatically, can effectively extend battery's performance life
Special Design: single output, adopts battery detecting, protecting, it can switch to be battery powered automatically when power off; with multiple protections: short circuit, over-current, over-voltage protection

Description

Features:
Input voltage: AC 110V-240V, 50/60Hz
Output voltage: DC13.5V 5A
Dimensions: 159 * 98 * 42mm
With battery interface, the maximum can be equipped with 12V 20AH battery.
In order to charge battery, the output voltage has been adjusted to 13.5V.
With UPS function, control battery charging status automatically.
Single output, adopts battery detecting, protecting, it can switch to be battery powered automatically when power off.
With multiple protections: short circuit, over-current, over-voltage protection.
Application: the UPS power supply can concentrated on powering up cameras, alarm probe locally or other places that need continuous power.

Connection:
G: Ground
N: null line.
L: live line
BAT + -: battery + -
Sortie + - : load + -, C terminal keep vacant

Package Includes:
1x AC/DC UPS Charger Power Supply

7. DROK Auto Boost Buck Converter, DC-DC 5.5-30V to 0.5-30V Adjustable CC CV Step UP Voltage Regulator 4A Step-down Volt Transformer 50W Power Supply Module with LCD Display

Feature

DROK boost-buck converter input voltage range is DC 5.5-30V; output voltage range is DC 0.5-30V, can be arbitrary adjustable; output current range is 0-3A, can be arbitrary adjustable, if enhance heat dissipation, it can reach 4A; max output power is 35W, if enhance dissipation, it can reach 50W.
LCD Display: the voltage regulator module is designed with LCD, can display input and output voltage, output current and output power; voltage display resolution is 0.05V, current display resolution is 0.005A.
Safe Protection: the volt conversion board is with reverse connection protection at input terminal, reverse connection will not burn; stop the current from feeding back protection at output terminal; short circuit protection.
Application: the switching power supply can be used as an ordinary buck-boost module with over-current protection; used as a battery charger; used as a high-power LED constant current driver module.
Button Control: button control output voltage ON / OFF status, and you can set the default output state is ON or OFF of the next time power-on.

Description

Parameters:
Input voltage range: DC 5.5-30V (when the input voltage is 5V, the boost and buck can be achieved, but the voltage and current measurement is inaccurate; under 4.7V, under voltage protection will be activated)
Output voltage range: DC 0.5-30V
Output current: can stably work at 3A for a long time, when enhance heat dissipation can reach 4A
Output power: 35W (natural cooling), when enhance heat dissipation can reach 50W
Voltage display resolution: 0.05V
Current display resolution: 0.005A
Conversion rate: about 88%
Soft start: Yes, (a large power load module may fail when it is started)
Input reverse connection protection: yes
Output stop the current from feeding back protection: yes
Short circuit protection: yes
Working frequency: 180KHZ
Size: 66 * 48 * 21mm
Mounting hole: 4mm in diameter

Package Including:
1x Boost Buck Module

8. Icstation Mini DC to DC Voltage Regulator Step Up Boost Converter Power Supply Module 1V-5V to 5V 500mA (Pack of 5)

Feature

Icstation small DC-DC voltage converter board with working indicator, easy to recognise the working status.
DC 1-5V input and 5V fixed voltage output, just provide 2 AA battery can obtain 5V 0.5A power supply.
High power conversion efficiency up to 96% save energy.
Board Size: 25.22 X 17.55 X 5.85mm/0.99 X 0.69 X 0.23inch(L*W*H)
Usually it will delivery in 2-4 days if fulfilled by Amazon, or delivery in around 17 days with tracking information if fulfilled by our Chinese warehouse.

Description

Icstation mini DC-DC voltage converter module supporting DC 1-5V input and DC 5V fixed voltage ouput with high conversion efficiency up to 96%. Just 2s AA battery can obtain 5V 0.5A power supply for your electronics devices ideal for DIY 5V 0.5A power supply.

Specifications:
Input Voltage: DC 1V-5V
Output Voltage: dc 5V
Output Current: 500mA
Maximum Coversion Efficiency: 96%
Board Size: 25.22 X 17.55 X 5.85mm/0.99 X 0.69 X 0.23inch(L*W*H)

Package Included:
5X Mini DC Voltage Regulator Board 1V-5V to 5V

----------------------------- Warm Prompt -----------------------------
1, We provide the using guidance by email, and replace service for free in case you received a defective one, please rest assured to buy it.
2, Please send us an email instead of a review when you meet problems in using or delivery, because your order number can not be found timely in comments list, but your inquiry will be answer within 12 hours, thank you for your cooperation, always at your service!

9. DC Buck Module, DROK Adjustable Step Down Voltage Buck Converter 6V-32V 30V 24V 12V to 1.5-32V 5V 5A LCD Power Supply Volt Reducer Regulator Transformer Module Board with USB Port Protective Case

Feature

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.
DISPLAY --- large clear digital LCD display voltage & current value simultaneously.
PROTECTION --- short-circuit protection; over-temperature protection; input reverse connection protection.
FEATURE --- constant current/voltage mode; voltage calibration & current calibration; USB interface; protective case.
GENERAL USE --- as an ordinary step-down module with over-current protection; as battery charger; as constant current LED driver module.

Description

Parameters
Chip: MP2304
Input voltage: 6~32V
Output voltage: 1.5~32V continuously adjustable (Input should be 1.5V higher than output.)
Output current: 5A max, adjustable, recommended use within 4.5A. (Over 3A or 35W, please enhance heat dissipation.) Constant current requires an output voltage of above 2V to be adjusted. Current regulation can only be performed in the status of constant current.
Output Power: 75W (max), recommended use within 50W. Please reduce the power when voltage difference is large.
Operating temperature: -20 to +70
Operating frequency: 180KHz
Conversion efficiency: up to 96%
Short circuit protection: Yes (Constant current value set by constant current function)
Over-temperature protection: Yes (Automatically shut off the output when overtemp.)
Input reverse polarity protection: Yes
Output backflow prevention: None. Please add a diode when used for charging.
Installation: 8x pillars, 8x 3mm screws
Wire Connection: terminal block or soldering terminals; VIN is input; VOUT is output.
Dimension: 65.6*40*25mm


Setting:

SET button can set 4 display mode:
1). F-0 mode: Display output voltage
2). F-1 mode: Display input voltage
3). F-2 mode: Display input and output voltage alternately
4). USB mode: Display USB output voltage & turn on/off USB output

Press "SET" button, the four display modes will cycle display, and the corresponding indicator will be on or off, press "ENT" button to save and exit.
Singly press "ENT" button can turn on/off the LCD backlight.


Package Included:
1x DC Buck Module
4x Copper Cylinder Screws M3*6
4x Double-pass Screws M3*12
8x Roundhead Screws M3*6

10. HJ Garden 7 IN 1 Common Electronics Fun Kit 12V 1A Power Supply Adapter, Voltage Converter Module, 830 Point Breadboard, Potentionmeter, Jumper, Resistor, Touch Switch For Arduino, 3D Printer

Feature

High quality common electronics element kit, suitable for the development and applications of Arduino, 3D printer, Raspberry Pi, STM32 etc project.
Drive Element: 12V 1A power supply adapter, power voltage converter module, compatible with 5V / 3.5V output.
Connection Element: 830 point breadboard, male to male breadboard jumpers, 15cm female to male Dupont lines, 40Pin single row 2.54mm pitch pin header.
Regulating Element: 10K Ohm 3386MP precise adjustable potentionmeter, 10K/100K rotational potentionmeter.
Common Element: 100R/1K/4.7K/10K/47K/100K/1M carbon resister, green/red/yellow/white LED, 12x12mm touch switch, button cover.

Description

Feature:
This electronics elements kit, suitable for the development and applications of Arduino, 3D printer, Raspberry Pi, STM32 etc project, satisfy the needs of all kinds of common electronics elements.

Package List:
1pcs 12V 1A Power Supply Adapter
1pcs MB-102 830 Point Breadboard
1pcs MB-102 Power Module
65pcs Male to Male Breadboard Jumpers
40pcs Female to Male Dupont Lines 15cm
2pcs 10K Ohm 3386MP Precise Adjustable Potentionmeter
30pcs 100R Carbon Resister
30pcs 1K Carbon Resister
30pcs 4.7K Carbon Resister
30pcs 10K Carbon Resister
30pcs 47K Carbon Resister
30pcs 100K Carbon Resister
30pcs 1M Carbon Resister
2pcs 10K Rotational Potentiometer (single-linkage, 3-pin, length 20mm, pitch 2.54mm )
2pcs 100K Rotational Potentiometer (single-linkage, 3-pin, length 20mm, pitch 2.54mm )
3pcs Green LED
3pcs Red LED
3pcs Yellow LED
3pcs White LED
6pcs 12x12mm Touch Switch
9pcs 12x12mm Round Button Cover
6pcs 12x12mm Square Button Cover
2pcs 1x40 Single Row 2.54mm Pitch Pin Header

Conclusion

All above are our suggestions for voltage converter board. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using voltage converter board with us by comment in this post. Thank you!

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