XL4005 5A CC CV DC-DC Adjustable Buck Step-Down Power Module

Take full control of your power regulation projects with the XL4005 5A CC CV DC-DC Step-Down Buck Converter Module. Built around the high-performance XL4005 chip, this compact module delivers adjustable constant current (CC) and constant voltage (CV) output — making it an essential component for electronics prototyping, battery charging circuits, LED drivers, and DIY power supply builds.

Whether you're powering lithium battery charging rigs, custom bench supplies, or embedded systems, this module gives you precise, stable voltage and current control in a compact DIP-compatible form factor.

Key Features

XL4005 Buck IC: High-efficiency step-down switching regulator for reliable DC-DC conversion
5A Continuous Output Current: Handles demanding loads with ease
CC & CV Control: Dual adjustable constant current and constant voltage output via onboard potentiometers
Wide Input Voltage Range: Compatible with a broad range of DC power sources
Overload Protection: Built-in safeguards to protect your circuit and connected devices
Compact DIP Module Design: Easy to integrate into breadboards and custom PCB layouts
Ideal for Lithium Battery Charging: Precise CC/CV output makes it perfect for single and multi-cell lithium charger circuits
Available in 1PCS or 5PCS: Stock up for multiple projects or grab a single unit to get started

Specifications

Chip: XL4005
Max Output Current: 5A
Control Mode: CC (Constant Current) & CV (Constant Voltage)
Converter Type: Step-Down (Buck)
Package: DIP Module
Protection: Overload protection
Quantity Options: 1PCS / 5PCS

What's Included

XL4005 CC CV DC-DC Step-Down Buck Module (DIP) — qty per your selection

Perfect For

DIY lithium battery chargers
Adjustable bench power supplies
LED driver circuits
Arduino & Raspberry Pi power regulation
Robotics and embedded electronics projects

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What does the XL4005 CC CV DC-DC Step-Down Buck Module do?

A: The XL4005 5A CC CV Buck Module is a DC-DC step-down (buck) converter that reduces a higher DC input voltage to a lower, adjustable DC output voltage. It features both constant current (CC) and constant voltage (CV) modes, allowing precise control for applications like lithium battery charging, LED driving, and custom power supply design.

Q: What input and output voltage range does this module support?

A: The XL4005-based module supports a wide DC input voltage range and delivers an adjustable output voltage via onboard potentiometers. The output is always lower than the input (step-down/buck topology). Refer to the XL4005 datasheet for exact input/output ratings to ensure compatibility with your project.

Q: Can I use this module to charge lithium batteries?

A: Yes — the CC/CV (constant current / constant voltage) output mode makes this module well-suited for building lithium battery charging circuits. You can set the desired charge voltage and current limit using the onboard adjustment potentiometers, allowing safe and controlled charging for single or multi-cell lithium packs.

Q: What is the difference between buying 1PCS vs 5PCS?

A: Both options include the same XL4005 CC CV DC-DC Step-Down Buck Module. The 5PCS option is ideal if you need multiples for batch projects, prototyping, or to keep spares on hand. Select your preferred quantity using the variant selector above.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.