Enhance your power management projects with the WD5020 Power Supply Module, a versatile and high-performance step-down voltage regulator designed for precision control and safety. This module features a wide input voltage range of 7V to 50V and an adjustable output voltage from 0V to 36V, delivering up to 20A output current with a maximum power capacity of 300W. Ideal for applications such as battery charging, constant current LED driving, and general step-down power supply needs, this module combines efficiency, reliability, and user-friendly calibration for professional and hobbyist use. Key Features: · **Wide Input and Output Voltage Range:** Supports 7~50V input and continuously adjustable output voltage from 0~36V, providing flexible voltage regulation for diverse applications. · **High Output Current and Power:** Adjustable output current up to 20A (recommended use at 15A for optimal heat dissipation) and power up to 300W (recommended within 250W), suitable for high-demand electrical loads. · **Advanced Safety Protections:** Includes overcurrent protection, short circuit protection, and input reverse polarity protection to ensure safe and reliable operation. · **Dual LCD Display:** Clear LCD screen displays real-time voltage and current simultaneously, with selectable display modes for output voltage, input voltage, or alternating views. · **High Conversion Efficiency:** Achieves up to 95% efficiency, minimizing energy loss and heat generation during voltage step-down conversion. · **User Calibration Function:** Built-in calibration feature allows precise adjustment of voltage and current readings for accurate measurement and control. · **Multiple Application Modes:**  - Step-down voltage module with adjustable constant voltage and current limits.  - Battery charger module with adjustable float voltage and charge current (requires external diode for backflow protection).  - Constant current LED driver for stable LED operation with adjustable current and voltage. · **Robust Design:** Compact size (100 x 60 x 48mm) with terminal block and soldering options for flexible wiring; capable of operating in temperatures from -20°C to +75°C with recommended heat dissipation for high loads. Specifications: · Model: WD5020 · Input Voltage: 7~50V DC · Output Voltage: 0~36V DC (continuously adjustable; input voltage must exceed output by at least 1V) · Output Current: Adjustable, maximum 20A (recommended ≤15A for cooling; natural dissipation at ≤10A) · Output Power: Up to 300W (recommended ≤250W) · Working Frequency: 300KHz · Conversion Efficiency: Up to 95% · Operating Temperature: -20°C to +75°C · Size: 100 x 60 x 48 mm (3.94 x 2.36 x 1.89 in) Package Includes: · 1 x WD5020 Power Supply Module The WD5020 Power Supply Module is an essential tool for precision voltage regulation, offering reliable performance, multiple safety features, and flexible application options. Whether you need a step-down converter, battery charger, or constant current LED driver, this module delivers efficient power control with clear monitoring and easy calibration to meet your project demands.