DC-DC Buck 12v - 5v 3A Waterproof Converter With Micro-USB Type B

The DC-DC Buck 12V to 5V 3A Waterproof Converter with Micro-USB Type-B provides a reliable and efficient way to step down 12V power sources to a stable 5V output. Designed with a sealed waterproof housing, this converter is ideal for automotive, motorcycle, solar, and outdoor electronics applications where durability and consistent USB power delivery are essential. The integrated Micro-USB Type-B connector makes it perfect for powering devices such as Raspberry Pi boards, GPS units, dash cams, LED controllers, and other 5V electronics.

🔹 Key Applications

• Automotive USB power supplies

• Raspberry Pi and embedded projects

• Dash cameras and GPS units

• Solar-powered systems

• Motorcycle and marine electronics

• LED lighting controllers

• Portable charging solutions

🔹 Why Choose This Module

• High-efficiency DC-DC step-down conversion

• Waterproof and dust-resistant construction

• Stable 5V output suitable for sensitive electronics

• Integrated Micro-USB Type-B connector

• Compact design for easy installation

• Wide input voltage range for automotive and battery applications

• Built-in protection against overcurrent and short circuits

🔹 Technical Specifications

• Module Type: DC-DC Buck Converter

• Input Voltage Range: 8V – 24V DC

• Output Voltage: 5V DC ±5%

• Maximum Output Current: 3A

• Maximum Output Power: 15W

• Efficiency: Up to 95% (typical)

• Connector Type: Micro-USB Type-B

• Housing: Waterproof sealed enclosure

• Cable Length: Approx. 45–50cm (may vary)

• Dimensions: Approx. 64 × 28 × 18mm

• Weight: Approx. 45g

• Operating Temperature: -20°C to +80°C

• Protection Features: Short-circuit, overload, and overcurrent protection

• Cooling Method: Passive cooling

• Mounting: Inline installation

🔹 What's Included

• 1 × DC-DC Buck 12V to 5V 3A Waterproof Converter

• 1 × Integrated Micro-USB Type-B output cable

🔹 Pro Tip

This converter is excellent for permanently powering a Raspberry Pi, Wi-Fi hotspot, or dash cam directly from a vehicle's 12V system. Pair it with an inline fuse for additional protection and long-term reliability.

⚠️ Warning

Ensure the input voltage remains within the specified range. Reverse polarity or exceeding the maximum input voltage may permanently damage the converter. Although waterproof, avoid prolonged submersion and ensure cable connections are properly protected from moisture.

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