Transform any USB power source into a versatile adjustable power supply with the DP3A USB Adjustable Power Supply Module. Featuring a high-precision LCD display, adjustable voltage output up to 30V, intelligent fast-charging support, and comprehensive protection systems, this compact module is ideal for electronics enthusiasts, repair technicians, DIY projects, battery charging, router backup power, and laboratory testing applications.
Key Features
✅ Wide Adjustable Voltage Range
- Input voltage: 4V-13V
- Output voltage: 1V-30V continuously adjustable
- Supports both step-up and step-down voltage conversion
- Suitable for powering a wide variety of electronic devices
✅ High-Precision LCD Display
- Real-time monitoring of:
- Input voltage
- Output voltage
- Output current
- Output power
- Capacity statistics
- Voltage resolution: 0.01V
- Current resolution: 0.001A
- Easy-to-read display for accurate adjustments
✅ 15W High-Power Output
- Maximum output power: 15W
- Output current up to 2A
- Ideal for routers, LED lighting, fans, small electronics, testing equipment, and battery charging applications
✅ Intelligent Constant Current Mode
- Adjustable current limit from 0-2A
- Automatically switches to constant current mode when the load exceeds the preset current value
- Perfect for safe battery charging and sensitive electronic devices
✅ Multiple Input & Output Interfaces
- Input Interfaces:
- USB-A Male
- Micro USB
- USB Type-C
- Output Interfaces:
- USB-A Female
- Quick-connect terminal block
- Flexible connectivity for various applications
✅ Smart Fast-Charging Protocol Support
- Supports mainstream fast-charge protocols:
- QC 2.0
- QC 3.0
- FCP
- SCP
- AFC
- Intelligent protocol detection and charging negotiation
- Improves power availability from compatible USB power sources
Convenient User-Friendly Design
✅ Tool-Free Quick Wiring Terminal
- Push-type quick-connect terminals
- No screws required
- Fast installation and wire replacement
✅ Direct Current Limit Setting
- Current limit values can be set and displayed directly
- No need for external multimeters or output short-circuit calibration
✅ USB Device Compatibility
- USB female output supports:
- USB fans
- LED lights
- DIY electronics
- Charging applications
- Portable testing setups
Comprehensive Protection System
For maximum safety and reliability, the DP3A features:
- Short-circuit protection
- Over-current protection
- Over-temperature protection
- Over-power protection
- Over-voltage protection
- Charging anti-backflow protection
When output power exceeds 15W, the module automatically shuts down and displays an OPP warning. Thermal protection activates if internal temperature exceeds 100°C, helping prevent damage during heavy loads.
Technical Specifications
- Input Voltage: 4-13V
- Output Voltage: 1-30V Adjustable
- Output Current: 0-2A
- Maximum Output Power: 15W
- Voltage Accuracy: ±0.1V
- Current Accuracy: ±0.05A
- Working Current: Approximately 30mA
- Power Display Range: 0.00W-15.0W
- Battery Anti-Backflow: Supported
- Weight: Approximately 44g
- Dimensions: 8 × 4 × 1.83 cm
Ideal Applications
✔ DIY Electronics Projects
✔ Battery Charging and Testing
✔ Router Backup Power Solutions
✔ Adjustable Bench Power Supply
✔ Fan Speed Control
✔ LED Testing and Powering
✔ Electronics Repair Workstations
✔ Portable Laboratory Applications
The DP3A USB Adjustable Power Supply Module delivers professional-grade voltage adjustment, current control, fast-charging compatibility, and comprehensive safety protection in a compact, portable design, making it an essential tool for makers, engineers, and electronics hobbyists.
