XL4015 5A Step-Down CC/CV Buck Charging Board

The XL4015 5A CC/CV Buck Converter Board is an adjustable DC-DC step-down power module designed to convert a higher DC input voltage into a lower regulated DC output.

Powered by the XL4015 switching regulator IC, this module supports adjustable output voltage and constant-current limiting, making it suitable for electronics prototyping, adjustable DC power supplies, LED applications and compatible battery-charging projects.

Key Features

• 5A Output Capability: XL4015 regulator IC supports output current up to 5A, subject to thermal and operating conditions.

• Adjustable Output Voltage: Regulated output adjustment from 1.25V to 32V according to the IC datasheet.

• Constant Voltage (CV): Set the required output voltage.

• Constant Current (CC): Adjust the current limit to control maximum output current.

• DC Step-Down Conversion: Converts higher DC voltage to a lower DC voltage.

• 180kHz Switching Frequency: Uses fixed-frequency PWM switching.

• Built-in IC Protection: XL4015 includes thermal shutdown, current limiting and output short-circuit protection.

Technical Specifications

Note: Actual continuous output current depends on cooling, input/output voltage difference, PCB design and operating conditions. The IC ratings should not be interpreted as a guaranteed continuous rating for every module.

Applications

• Adjustable DC power supply projects

• Compatible lithium battery charging circuits

• Lead-acid battery charging projects with suitable charge settings

• LED current-control applications

• DIY electronics and prototyping

• Embedded electronics projects

• DC voltage regulation

• Laboratory and educational electronics experiments

Important Installation Instructions

1. Check the input and output terminal markings before connecting power.

2. Maintain correct input and output polarity.

3. Set the required output voltage before connecting your load.

4. Adjust the current limit using an appropriate test load and measuring equipment.

5. Provide sufficient cooling during high-current operation.

6. Ensure the input voltage is higher than the required output voltage.

7. For battery charging, select the correct charging voltage and current for the battery chemistry and configuration. Use appropriate battery protection and monitoring.

Package Includes

• 1 × XL4015 5A Step-Down CC/CV Buck Converter Board

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