USB 5V Boost Converter Module, 2V–5V Input, 1.2A Output

USB 1200mA DC 2V–5V to 5V USB Step-Up Boost Converter Module

Convert a low DC input voltage into a regulated 5V USB power output with this compact USB DC-DC Step-Up Boost Converter Module. Designed for DIY electronics, battery-powered projects, and small electronic devices, this module provides a convenient way to obtain 5V power from a 2V–5V DC source.

Featuring a USB Type-A female output socket, compact PCB design, and onboard working indicator, this boost converter is suitable for electronics enthusiasts, students, makers, and engineers working on portable power applications.

Key Features

• Wide Input Voltage: Accepts DC input voltages from 2V to 5V.

• 5V USB Output: Converts a lower DC input into a 5V output.

• Up to 1200mA Output: Maximum rated output current depends on the input voltage.

• USB Type-A Female Socket: Provides a convenient USB power connection.

• High Conversion Efficiency: Up to 90% maximum efficiency reported, with approximately 85% average efficiency.

• Working Indicator: Onboard indicator LED helps identify module operation.

• Compact Design: Small PCB suitable for space-constrained DIY electronics projects.

• Simple Connections: Clearly identified positive and negative input connections.

Technical Specifications

Output Current According to Input Voltage

The available output current depends on the supplied input voltage. Refer to the following reported operating ratings:

Important: The 1200mA rating is not available at every input voltage. Use a suitable input power source capable of supplying the required current.

Working Principle

This module uses a DC-DC boost conversion circuit to increase a lower DC input voltage to a 5V USB output.

For example:

• A 2V DC input can be stepped up to 5V, subject to the specified output-current limit.

• A 3V DC input can provide up to the reported 1000mA output rating.

• A 3.5V or higher input can support the reported maximum 1200mA output rating.

Typical Applications

• DIY USB power supply projects

• Battery-powered electronics

• Portable electronic devices

• Microcontroller projects

• Small digital electronics

• Educational electronics experiments

• Low-power USB-powered circuits

• Custom power supply development

Input Connection Guide

Connect your DC power source to the module's input terminals:

• IN+: Connect to the positive terminal of the DC power source.

• IN−: Connect to the negative terminal of the DC power source.

• USB Output: Connect a compatible 5V USB-powered device.

Always verify input polarity before powering the module.

Important Usage Notes

1. Do not exceed the specified 2V–5V input range.

2. The maximum output current depends on input voltage and available input power.

3. Ensure your power source can supply sufficient current.

4. Do not exceed the module's rated operating conditions.

5. Check the output voltage before connecting sensitive electronics.

6. This module is a power converter, not a USB data-transfer interface.

7. Battery charging applications require suitable charging and protection circuitry.

Package Includes

• 1 × USB 1200mA DC 2V–5V to 5V Step-Up Boost Converter Module

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