DC Buck Step-Down Power Module 4.5-36V to 0.8-32V 5A Adjustable
DC Buck Step-Down Power Module 4.5-36V to 0.8-32V 5A Adjustable
DC Step-Down Power Supply Module — 4.5–36V Input, 0.8–32V Adjustable Output, 5A High Efficiency
This compact and highly efficient step-down (buck) power supply module is designed for electronics enthusiasts, engineers, hobbyists, and DIY makers who need a reliable, continuously adjustable DC voltage regulator. With an input range of 4.5V–36V and a smoothly adjustable output from 0.8V to 32V, this board handles a wide variety of projects — from powering microcontrollers and sensors to charging batteries and running small motors.
Key Specifications
- Input Voltage Range: DC 4.5V – 36V
- Output Voltage Range: DC 0.8V – 32V (continuously adjustable)
- Maximum Output Current: 5.6A
- Input/Output Voltage Difference: >1V
- Conversion Efficiency: >95%
- Protection: Unbalanced load protection
- EU LVD Compliance: Below 50V AC or 75V DC (low voltage directive range)
Why Choose This Power Supply Module?
- High Efficiency (>95%): Minimal energy loss means less heat generation and lower operating costs for your projects.
- Wide Voltage Range: Versatile enough to work with a broad range of DC power sources including batteries, adapters, and lab supplies.
- Continuously Adjustable Output: Fine-tune your output voltage precisely for any application without needing multiple fixed-voltage regulators.
- High Current Capacity: Supports up to 5.6A output, making it suitable for moderate-power loads and motor-driven applications.
- Compact Board Design: Easy to integrate into enclosures, breadboards, or custom PCB projects.
Ideal Use Cases
- DIY electronics and prototyping
- Robotics and automation projects
- Battery charging circuits
- Lab bench power supply projects
- Arduino, Raspberry Pi, and microcontroller power regulation
- LED strip and motor speed control
Package Contents
- 1 × Step-Down Power Supply Module
Made in Mainland China.
Note: Due to lighting and screen differences, the item's color may vary slightly from the pictures. Please allow 1–10mm measurement tolerance due to manual measurement methods.
For more information on electrical safety standards for low-voltage electronics, visit the U.S. Consumer Product Safety Commission — Electrical Safety.
Frequently Asked Questions
Q: What is a step-down (buck) power supply module and how does it work?
A: A step-down or buck converter is a DC-to-DC power conversion circuit that reduces a higher input voltage to a lower, adjustable output voltage with high efficiency. This module uses switching regulation to achieve over 95% conversion efficiency, meaning very little energy is wasted as heat compared to traditional linear regulators.
Q: Can I use this module to power an Arduino or Raspberry Pi?
A: Yes. Simply set the output voltage to the required level (e.g., 5V for Arduino or 5V for Raspberry Pi) using the onboard adjustment, connect your input DC source within the 4.5V–36V range, and power your board directly. The 5A current capacity provides ample headroom for most microcontroller and peripheral setups.
Q: What is the minimum input-to-output voltage difference required?
A: The module requires a minimum differential of greater than 1V between the input and output voltages to operate correctly. For example, if your input is 12V, the maximum stable output would be up to 11V or lower.
Q: Is a battery included with the module?
A: No, a battery is not included. You will need to supply your own DC power source within the 4.5V–36V input range.