DC-DC Buck Converter XL4015 5A – with Current Limiter is a high-efficiency step-down power supply module capable of converting higher DC input voltages into stable lower DC outputs. Powered by the XL4015 regulator IC, this module supports up to 5A output current with excellent efficiency (up to 96%), making it ideal for powering medium to high-current electronic projects.
One of the key features of this module is its adjustable constant voltage (CV) and constant current (CC) functionality, allowing it to be used not only as a power supply but also as a battery charger for lithium-ion, lead-acid, and other rechargeable batteries. The built-in current limiter ensures safe operation, preventing overcurrent damage to both the load and the module.
It features dual onboard potentiometers for easy adjustment of output voltage and current limit, along with a clear LED indicator to show charging status. The module is widely used in Arduino projects, robotics, battery charging systems, LED drivers, and DIY electronics.
Key Features:
- Module Type: DC-DC Step Down (Buck Converter)
- IC: XL4015
- Input Voltage: 5V – 36V DC
- Output Voltage: 1.25V – 32V DC (adjustable)
- Output Current: Up to 5A (with heatsink, continuous ~4A)
- Power Output: Up to 75W
- Efficiency: Up to 96%
- Control Modes: Constant Voltage (CV) & Constant Current (CC)
- Protections: Overcurrent, short-circuit, thermal protection
- Indicators: Charging/Full LED status (useful for battery charging)
- Onboard potentiometers for voltage and current adjustment
Applications:
- Power supply for Arduino, Raspberry Pi, ESP32, and other microcontrollers
- Battery charging (Li-ion, LiPo, Lead-acid, etc.)
- LED drivers with current regulation
- Robotics and automation projects
- DIY lab power supply modules
- Renewable energy systems (solar charging)
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