Mini Step-Down Power Supply Module – DC 4.5–24V to 5V 3A

Product Description

This Mini Step-Down Power Supply Module is a compact and efficient DC-DC converter that steps down voltages from 4.5–24V to a stable 5V output at 3A.
Ideal for powering Raspberry Pi, Arduino, ESP32, ESP8266, and other microcontrollers or IoT projects, this module ensures reliable and regulated voltage for sensitive electronics.
Its small size, high efficiency, and robust performance make it perfect for embedded systems, robotics, 3D printer electronics, and DIY projects requiring consistent 5V power.

Features

• Wide input voltage range: DC 4.5–24V

• Stable output: 5V 3A

• High efficiency step-down (buck) conversion

• Compact and lightweight design for easy integration

• Short-circuit and over-current protection

• Suitable for microcontrollers, IoT devices, and electronics projects

• Low heat generation for safe operation

• Ideal for powering Raspberry Pi, Arduino, ESP modules, sensors, and 3D printer electronics

Specifications

• Input Voltage: 4.5–24V DC

• Output Voltage: 5V DC

• Output Current: Up to 3A

• Conversion Type: Step-down (buck) DC-DC

• Efficiency: Typically >90%

• Dimensions: Miniature form factor (approx. 33 × 20 × 14 mm, varies by module)

• Protection Features: Short-circuit, over-current, thermal protection

• Applications: Microcontrollers, 3D printer electronics, IoT, robotics, embedded systems

Applications

• Powering Raspberry Pi, Arduino, ESP32, ESP8266 projects

• 3D printer electronics (controllers, fans, sensors)

• Robotics and automation boards

• Battery-powered devices requiring regulated 5V

• DIY and embedded electronics projects