MP1459 DC to DC Step Down Power Supply Module Buck Converter BEST Quality

  1. Brand new and high-quality product
  2. Input voltage:  5V to 15V
  3. Output voltage:  1.5V to 5V
  4. Maximum output current:  3A
  5. Maximum efficiency:  92%
  6. Switching frequency:  100 kHz – 1.5 MHz

50.85 84.75


MP1459 Based DC-DC Buck Converter 5-15V Input, 1.25V /1.5V /1.8V /2.5V /3.3V /5V fixed voltage output, 3A Output Current
Input Voltage: Dc 5-16v. Output Voltage: 1.25v/1.5v/1.8v/2.5v/3.3v/5vdefault 1.25v. Maximum Output Current: 3a. Maximum Conversion Efficiency: 90%. Board Size: 3x2cm/1.18×0.79 Lxw. Quantity: 1 Pc. Mini Dc-dc Step Down Regulated Voltage Converter Module With Dc 5-16v Input And 1.25v/1.5v/1.8v/2.5v/3.3v/5v Fixed Voltage Output N-board Mp1495 Chip With High Power Conversion Efficiency Up To 90%, Save Energy Unique Short-connecting Voltage Adjustment Design Ensure Output Accuracy Better Performance Than The Potentiometer Type Voltage Converter Module.

Getting Started with the MP1459 DC-DC Step-Down Power Supply Module

The MP1459 DC-DC step-down power supply module, often referred to as a buck converter, is a versatile and essential component for electronics enthusiasts and professionals alike. This small yet powerful module allows you to efficiently convert higher input voltages, ranging from 5V to 16V, into lower, adjustable output voltages, including 1.25V, 1.5V, 1.8V, 2.5V, 3.3V, and 5V. Whether you’re working on a robotics project, powering microcontrollers, or tackling DIY electronics, the MP1459 module can be an invaluable addition to your toolkit. In this guide, we’ll walk you through the steps to get started with the MP1459 module.

Materials Needed:

  1. MP1459 DC-DC step-down power supply module.
  2. A power source (DC voltage source within the 5-16V range).
  3. Multimeter for voltage measurement (optional but recommended).
  4. Load (a device or component that will use the converted output voltage).

Step 1: Familiarize Yourself with the MP1459 Module

Before diving into the setup, it’s essential to understand the key components of the MP1459 module. The module typically consists of the following elements:

  • Input Terminals: Where you connect the higher input voltage.
  • Output Terminals: Where you connect your load or the device you intend to power.
  • Potentiometer: A small adjustable component that allows you to set and fine-tune the output voltage.
  • Voltage Display (optional): Some MP1459 modules come with a built-in voltage display, which can be incredibly useful for monitoring the output voltage.

Step 2: Wiring and Connections of MP1459

Begin by connecting the necessary components:

  • Connect your power source (within the 5-16V range) to the input terminals of the MP1459 module. Ensure correct polarity; matching positive and negative connections.
  • Connect your load (the device you want to power) to the output terminals of the module.

Step 3: Adjust the Output Voltage of MP1459

The MP1459 module typically features a potentiometer for adjusting the output voltage. Here’s how to set the desired output voltage:

  • Use a small screwdriver to turn the potentiometer. Depending on the module, turning it clockwise or counterclockwise will adjust the output voltage.
  • Make gradual adjustments while monitoring the voltage with a multimeter to ensure it matches your desired voltage setting.

Step 4: Testing Your Load with MP1459

With the output voltage adjusted to your desired level, it’s time to test your load:

  • Power on your load and ensure that it operates correctly with the newly converted voltage.
  • Monitor the output voltage using the voltage display (if available) or the multimeter to ensure it remains stable within the specified range.

Step 5: Utilizing the Voltage Display (if available)

If your MP1459 module comes equipped with a voltage display, you can use it to conveniently monitor the output voltage continuously. This feature is particularly handy for projects requiring precise voltage regulation and monitoring.

Step 6: Load Regulation and Heat Dissipation of MP1459

It’s important to be aware of the module’s load regulation characteristics. Some buck converters might have limitations on their maximum current output. Ensure that your load doesn’t exceed these limits to prevent overloading and potential damage to the module.

Additionally, consider heat dissipation, especially if your project involves higher input voltages, larger loads, or extended periods of operation. If the module gets hot, you may want to add a heatsink to help dissipate heat effectively.

Step 7: Safety Precautions

Always exercise caution when working with electrical components:

  • Double-check the input and output polarities to ensure correct connections.
  • Avoid short circuits that can lead to damage or overheating.
  • Be cautious when handling the module during operation, as it may become hot.

Step 8: Fine-Tuning and Documentation

If you need to make fine adjustments to the output voltage or if you want to monitor the output voltage continuously, use the potentiometer and the optional voltage display. Document important information, such as input and output voltages, module settings, and any other relevant data, for future reference and troubleshooting.

In conclusion, the MP1459 DC-DC step-down power supply module is a valuable tool for voltage conversion in electronics projects. With careful setup and attention to detail, you can efficiently use it to power a wide range of devices and components that require different voltage levels. Whether you’re an electronics hobbyist or a professional, this versatile module can significantly enhance your project capabilities.


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Weight 0.004 kg
HSN Code


  •  Chip: MP1495
  •  Input Voltage: DC 5-16V
  •  Output Voltage: 1.25V/1.5V/1.8V/2.5V/3.3V/5V(default 1.25V)
  •  Maximum Output Current: 3A
  •  Maximum Conversion Efficiency: 90%
  •  Board Size: 3x2cm/1.18×0.79″ (LxW)
  •  Quantity: 1 Pc

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