AC-DC Power Module 20W 220VAC to 5VDC (HLK-20M05)

Overview

The HLK-20M05 is a compact, isolated AC-DC power supply module that converts 100–240VAC mains voltage into a stable 5V DC output with up to 20W of power. Designed for embedded systems and industrial applications, it features high efficiency, built-in protection circuits, and reinforced isolation, making it ideal for powering Arduino, ESP32, Raspberry Pi, IoT devices, smart home systems, and other low-voltage electronics directly from the AC mains.

Key Features

• Wide Input Range: Accepts 100–240VAC, 50/60Hz, suitable for global use.
• Stable 5V Output: Provides a regulated 5V DC output with up to 4A current, delivering 20W of power.
• Isolated Design: Reinforced isolation between input and output ensures safety and reduces noise.
• Built-in Protections: Includes over-current, over-voltage, and short-circuit protection for reliable operation.
• High Efficiency: Efficient power conversion minimizes heat generation and energy loss.
• Compact Form Factor: Small footprint ideal for space-constrained projects.

Technical Specifications

• Input Voltage: 100–240VAC, 50/60Hz
• Output Voltage: 5V DC
• Maximum Output Current: 4A
• Output Power: 20W
• Isolation: Reinforced isolation
• Protections: Over-current, over-voltage, short-circuit

Applications & Use Cases

• Powering microcontrollers like Arduino, ESP32, and Raspberry Pi from AC mains.
• IoT devices and smart home systems requiring a stable 5V supply.
• Industrial control systems and embedded electronics.
• Robotics projects, 3D printers, and CNC machines.
• LED lighting and small appliances.

What's Included

• 1x HLK-20M05 AC-DC Power Module

Compatibility

• Compatible with most 5V microcontrollers and logic circuits.
• Can be used with Arduino boards (Uno, Mega, Nano), ESP32, ESP8266, Raspberry Pi (with appropriate connectors), and other 5V devices.

MOKWN Recommendation

This power module is a reliable and efficient solution for projects that require a direct AC-to-DC conversion without the need for an external adapter. Its compact size and built-in protections make it a great choice for both hobbyists and professionals. We recommend it for any application where a stable 5V supply is needed from mains power.