The USB Fast Charging Module is a compact DC-DC power conversion board designed to provide a stable 5 V USB output for fast and reliable charging of electronic devices. It is commonly used in DIY power banks, battery-powered projects, embedded systems, and portable chargers. With high efficiency and compact size, this module is ideal for converting battery or DC input voltage into a regulated USB output.
Core Module Specifications
• Module Type: USB DC-DC charging / power output module
• Function: Voltage regulation and USB power output
• Output Interface: USB Type-A female port
• Charging Support: Fast charging (module dependent)
Electrical & Interface
• Input Voltage Range: Typically 6 V – 24 V DC (module dependent)
• Output Voltage: 5 V DC regulated
• Output Current: Up to 2–3 A (depending on input and cooling)
• Conversion Type: Switching regulator
• Power Connections: Solder pads / terminals for input DC supply
Performance Characteristics
• High efficiency DC-DC conversion
• Stable 5 V output under varying load
• Low heat generation at moderate loads
• Suitable for continuous operation with proper ventilation
Physical Characteristics
• Module Type: Compact PCB-mounted power module
• Connector: USB Type-A female
• Components: High-current inductor, capacitors, regulator IC
• Lightweight and enclosure-friendly design
Compatibility
• DIY power bank projects
• 18650 battery packs (with proper input voltage)
• Arduino, ESP32, Raspberry Pi power supply
• Portable chargers and backup power systems
• Embedded electronics projects
Key Advantages
• Simple USB power output solution
• Compact size with high current capability
• Efficient switching design
• Easy integration into custom enclosures
Technical Insights
• Not isolated (common ground between input and output)
• Input voltage must be higher than 5 V
• Output current depends on input voltage and thermal conditions
• Overloading may cause voltage drop or overheating
Applications
• USB fast charging adapters
• DIY power banks
• Portable electronics power supply
• Embedded USB-powered devices
• Battery-based charging systems
Pro Tip
• Verify output voltage with a multimeter before connecting devices
• Use thick wires for high-current input
• Provide airflow for higher load currents
• Do not exceed rated input voltage
Package Includes
• 1 × USB Fast Charging Module