dc-dc adj. step down module 4~38v 5a current ADJ.

📖 Description

The DC‑DC Adjustable Step‑Down Module is a high‑power buck converter designed to regulate voltage and current from a wide input range of 4V–38V. With a maximum output current of 5A and adjustable current limiting, it provides precise control for powering sensitive electronics, charging batteries, and running DIY projects. Its robust design includes a large inductor and heatsink for stable performance under heavy loads.

🔑 Key Features

• Input Voltage: 4V – 38V DC
• Output Voltage: Adjustable (1.25V – 36V DC)
• Output Current: Up to 5A continuous, 8A peak with cooling
• Current Adjustment: Built‑in potentiometer for precise current limiting
• Efficiency: Up to 96% depending on input/output conditions
• Protection: Over‑temperature, short‑circuit, and over‑current protection
• Design: Compact PCB with heatsink and large inductor for reliable operation

💡 Applications

• Adjustable power supply for Arduino, ESP32, Raspberry Pi, and other microcontrollers
• Battery charging (Li‑ion, lead‑acid, NiMH) with controlled voltage and current
• Step‑down regulator for automotive electronics (12V/24V systems)
• Solar energy projects requiring regulated DC output
• DIY electronics and prototyping requiring variable voltage/current supply

📝 Summary

The DC‑DC Adjustable Step‑Down Module 4–38V 5A with current adjustment is a versatile and efficient buck converter that delivers customizable voltage and current for a wide range of applications. With its high current capacity, adjustable output, and built‑in protections, it’s ideal for hobbyists, engineers, and professionals needing a reliable and flexible DC power solution.