The XL4015 5A Step-Down Buck Converter Module with LED Display is a high-power, adjustable DC-DC voltage regulator designed to efficiently reduce input voltage to a lower, user-configurable output level. Built around the XL4015 switching regulator IC, this module combines 5A maximum output current, onboard LED voltage/current display, and a compact, robust design — making it an ideal solution for power supplies, battery chargers, LED drivers, and custom electronics projects.
The module accepts an input voltage range of 5V to 36V DC and produces an adjustable output voltage from 0.8V to 32V DC. The output voltage and current limit are set using onboard multi-turn potentiometers, allowing precise adjustment for your specific application. The module can deliver up to 5A of output current (with adequate cooling), making it capable of powering motors, LED arrays, battery charging circuits, and embedded systems.
A standout feature of this module is the integrated LED display, which shows real-time output voltage and current readings. This eliminates the need for external multimeters during setup and allows continuous monitoring of your power system. The display can be toggled between voltage and current modes using the onboard button.
At the heart of the module is the XL4015 buck (step-down) converter IC, which operates at a fixed switching frequency of 180 kHz. This high frequency allows the use of smaller external components and contributes to the module‘s compact size. The conversion efficiency reaches up to 96%, minimizing power loss and heat generation.
The module features built-in protection circuits including over-current protection, thermal shutdown, and short-circuit protection, ensuring safe and reliable operation even under fault conditions. The screw terminals provide secure connections for input and output wiring, and the included 4 sets of copper pillars allow for stable mounting and heat dissipation in custom enclosures.
The XL4015 is widely used in bench power supplies, battery charging systems, LED drivers, solar power applications, and automotive electronics where a stable, lower voltage is needed from a higher supply.
Whether you are building a custom power supply, charging batteries, or designing an LED driver, the XL4015 Step-Down Module provides a reliable, efficient foundation with the added convenience of an integrated display. It is suitable for individual makers, students, and businesses purchasing in bulk for product development or educational programs.
Features
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XL4015 buck converter IC — High-efficiency step-down regulator
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Wide input voltage range — 5V to 36V DC input
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Adjustable output voltage — 0.8V to 32V DC via onboard potentiometer
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High output current — Up to 5A maximum (with adequate cooling)
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Integrated LED display — Real-time output voltage and current monitoring
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High conversion efficiency — Up to 96%
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Fixed 180 kHz switching frequency — Compact design with smaller components
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Built-in protection — Over-current, thermal shutdown, and short-circuit protection
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Screw terminals — Secure input and output wiring
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4 sets of copper pillars included — Stable mounting and heat dissipation
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Converter IC | XL4015 |
| 2 | Input Voltage | 5V – 36V DC |
| 3 | Output Voltage | 0.8V – 32V DC (adjustable) |
| 4 | Maximum Output Current | 5A (with adequate cooling) |
| 5 | Conversion Efficiency | Up to 96% |
| 6 | Switching Frequency | 180 kHz |
| 7 | Display | LED voltage/current meter |
| 8 | Board Dimensions | Approx. 61 × 26 × 15 mm |
