0.9V-5V to 5V DC-DC USB Step Up Boost Converter Module

The 0.9V–5V to 5V USB Step-Up Boost Converter Module is a compact and efficient power solution designed to boost low input voltages to a stable 5V USB output. It is ideal for powering USB devices from low-voltage sources such as single lithium cells, AA batteries, or solar panels.

This module is widely used in portable electronics, DIY power banks, and embedded systems where a regulated 5V supply is required from a lower voltage input.

Key Features

• Ultra-Low Input Voltage: Operates from as low as 0.9V, making it suitable for single-cell battery applications
• Stable 5V Output: Provides regulated 5V output via USB port
• High Conversion Efficiency: Efficient boost conversion (typically up to 90% depending on load)
• USB Output Interface: Standard USB-A port for easy plug-and-play usage
• Compact Design: Small PCB size, ideal for portable and embedded projects
• Wide Compatibility: Works with AA/AAA batteries, lithium cells (18650), and solar inputs
• Low Ripple Output: Ensures safe operation for sensitive USB devices

Technical Specifications

• Input Voltage: 0.9V – 5V DC
• Output Voltage: 5V DC (regulated)
• Output Current: Up to 500mA – 1A (depending on input voltage and source capability)
• Efficiency: Up to ~90%
• Output Interface: USB Type-A Female
• Switching Frequency: High-frequency boost converter design
• Protection: Basic overload and short-circuit protection (varies by model)

Pin / Interface Details

• VIN (+): Connect positive input voltage (0.9V–5V)
• GND (-): Ground connection
• USB Output: Provides regulated 5V output for USB-powered devices

Applications

• DIY power bank modules
• Battery-powered USB chargers
• Solar-powered USB systems
• Portable electronics and IoT devices
• Emergency phone charging solutions
• Arduino and microcontroller projects requiring 5V supply

Advantages

• Starts working at very low voltage (ideal for depleted batteries)
• Easy to use with plug-and-play USB output
• Cost-effective and reliable solution
• Compact size for tight enclosures

Usage Tips

• For higher current output, use a high-current capable battery (e.g., 18650 Li-ion cell)
• Avoid exceeding input voltage beyond 5V to prevent damage
• Output current depends heavily on input source capability
• Use short and thick wires to minimize voltage drop

Note: Images are for Illustration Purposes Only.