The HW-674 XL4016E1 DC-DC Step Down Converter Module is a high-power buck voltage regulator designed for efficient DC voltage reduction in industrial, automotive, battery-powered, solar, robotics, and electronics applications. Built around the powerful XL4016E1 switching regulator, this module provides stable and adjustable output voltage with high efficiency, making it ideal for projects requiring reliable power conversion and high current output.

With support for input voltages from 4V to 38V DC and adjustable output voltages from 1.25V to 36V DC, the HW-674 buck converter delivers up to 8A output current and a maximum power output of 250W. Its high conversion efficiency of up to 95% minimizes energy loss and heat generation, ensuring dependable operation even in demanding environments.

This high-current DC-DC converter is widely used in battery charging systems, solar energy projects, LED power supplies, electric vehicles, industrial automation, Arduino and Raspberry Pi power regulation, communication equipment, embedded systems, and laboratory testing setups.

Features:

• High-power XL4016E1 DC-DC buck converter

• Adjustable output voltage regulator

• Wide input voltage range from 4V to 38V DC

• Adjustable output voltage from 1.25V to 36V DC

• Supports up to 8A output current

• Recommended continuous operation within 5A for maximum reliability

• Maximum output power up to 250W

• High conversion efficiency up to 95%

• Stable and regulated voltage output

• High-frequency switching design for improved performance

• Low heat generation and energy loss

• Suitable for high-power applications

• Industrial-grade performance

• Compact and durable PCB construction

• Easy voltage adjustment through onboard potentiometer

• Reliable operation across a wide temperature range

Featured by BDTronics

BDTronics offers carefully tested power conversion modules for engineers, makers, students, repair technicians, automation professionals, and electronics enthusiasts. The HW-674 XL4016E1 Step Down Converter is selected for its excellent efficiency, high current capability, and dependable performance in demanding power supply applications.

Specifications:

• Model: HW-674

• Controller IC: XL4016E1

• Converter Type: DC-DC Step Down Buck Converter

• Input Voltage: DC 4V – 38V

• Output Voltage: DC 1.25V – 36V Adjustable

• Maximum Output Current: 8A

• Recommended Continuous Current: ≤ 5A

• Maximum Output Power: 250W

• Conversion Efficiency: Up to 95%

• Switching Frequency: 180KHz

• Operating Temperature: -45°C to +85°C

• Voltage Adjustment: Onboard Potentiometer

• Application Type: High-Power Voltage Regulation

How to Use:

• Connect the DC input source to the input terminals

• Ensure correct input polarity before powering the module

• Turn on the power supply

• Use a multimeter to monitor output voltage

• Adjust the onboard potentiometer until the desired output voltage is achieved

• Verify output voltage before connecting sensitive loads

• Connect the load to the output terminals

• For high-current operation, ensure proper airflow and cooling

• Keep continuous current below 5A for long-term reliability

Applications:

• Solar power systems

• Battery charging circuits

• Lithium battery projects

• Automotive electronics

• Electric vehicles

• Robotics and automation

• Arduino power supplies

• Raspberry Pi voltage regulation

• ESP32 and STM32 development projects

• LED lighting systems

• Industrial control equipment

• Communication systems

• Embedded electronics

• Portable power supplies

• DIY electronics projects

• Laboratory power regulation

• CCTV power systems

• Network devices and routers

Important Notes:

• This module performs voltage step-down (buck) conversion only

• Input voltage must always be higher than the desired output voltage

• Continuous operation above 5A may require additional cooling

• Verify voltage settings before connecting electronic devices

• Observe correct polarity during installation

• Ensure adequate ventilation for high-power applications

Package Includes:

• 1 × HW-674 XL4016E1 8A DC-DC Step Down Buck Converter Module

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