200W 8A DC-DC Buck Converter Module – Adjustable Voltage Regulator

Power your DIY electronics and engineering projects with confidence using this high-performance 200W 8A DC-DC Buck Converter Module (XH-M404 / XH-M401, XL4016 / XL4016E1 chip). Designed for reliable step-down voltage conversion, this compact SMD module delivers stable, adjustable output voltage — making it an essential component for hobbyists, engineers, and makers alike.

Key Features

High Power Output: Up to 200W continuous power with a maximum 8A output current
Adjustable Output Voltage: Wide input/output voltage range for versatile project applications
XL4016 / XL4016E1 Chip: Industry-trusted buck converter IC for efficient and stable step-down regulation
Compact SMD Design: Space-saving surface-mount construction ideal for integration into custom builds
Efficient Conversion: Minimizes energy loss with high conversion efficiency
Screw Terminal Connections: Easy and secure wiring connections for input and output
Built-in Protection: Overheat and overcurrent protection for added durability
Customizable: Available in XH-M401 / XL4016E1 configuration to suit your specific requirements

Specifications

Model: XH-M404 / XH-M401
Chip: XL4016 / XL4016E1
Max Power: 200W
Max Output Current: 8A
Type: DC-DC Step-Down (Buck) Converter
Mounting Type: SMD (Surface Mount Device)

What's in the Box

1 × DC-DC Buck Converter Module (SMD)

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Frequently Asked Questions

Q: What does the 200W 8A DC-DC Buck Converter Module do?

A: This DC-DC buck converter module steps down a higher DC input voltage to a lower, adjustable DC output voltage. With the XL4016 / XL4016E1 chip, it supports up to 200W and 8A of output current, making it well-suited for powering electronics, LED drivers, motor controllers, battery charging circuits, and other DIY or professional electrical projects.

Q: What are the XH-M404 and XH-M401 model differences?

A: The XH-M404 and XH-M401 are board-level designations that typically differ in layout and feature set, while both are based on the XL4016 / XL4016E1 step-down converter chip. The XH-M401 (XL4016E1 variant) is included as the available color/configuration option with this listing. Both offer adjustable output voltage and high-power performance for demanding applications.

Q: Is this module compatible with Arduino or Raspberry Pi projects?

A: Yes — this buck converter module is widely used alongside microcontroller platforms like Arduino and Raspberry Pi. It can step down higher supply voltages (e.g. 12V or 24V) to the lower voltages (3.3V, 5V) required by these boards, providing clean, regulated power for your electronics builds.

Q: How do I adjust the output voltage on this buck converter?

A: The output voltage is adjusted via an onboard potentiometer (trim pot). Simply turn the screw on the potentiometer with a small screwdriver while monitoring the output with a multimeter until your desired voltage is reached. Always verify the output before connecting sensitive components.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.