200W DC-DC Buck Power Supply Module – Adjustable Voltage & Current
200W DC-DC Buck Power Supply Module – Adjustable Voltage & Current
200W DC-DC Buck Power Supply Module – Adjustable Constant Voltage & Current
Whether you're building a custom power bench, charging battery packs, or powering electronics projects, this 200W DC-DC Buck (Step-Down) Power Supply Module delivers precise, adjustable voltage and current output with synchronous rectification for high efficiency. Compact, capable, and built for makers, engineers, and hobbyists who demand reliable power regulation.
Key Specifications
- Input Voltage: 13V – 85V DC
- Output Voltage: 5V – 60V DC (fully adjustable)
- Output Current: 0.1A – 10A (adjustable); Peak 10A
- Rated Power: 150W continuous (peak 200W)
- Rectification: Synchronous rectification for superior efficiency
- Protection: Reverse polarity protection & unbalanced load protection
- Dimensions: 67mm × 35mm × 27mm
- Battery Included: No
Why Choose This Buck Module?
- Wide Input Range: Accepts 13V to 85V input, making it compatible with a broad range of DC power sources including solar panels, battery banks, and lab supplies.
- Fully Adjustable Output: Dial in the exact voltage (5V–60V) and current (0.1A–10A) you need for your application — no fixed output limitations.
- Synchronous Rectification: Uses synchronous switching technology to minimize energy loss and reduce heat generation compared to standard diode rectification.
- High Power Capability: Handles up to 150W continuous and 200W peak — ideal for demanding electronics and power conversion tasks.
- Built-In Protections: Reverse polarity and unbalanced load protection help safeguard both the module and your connected devices.
- Compact Form Factor: Small enough to integrate into custom enclosures, project boxes, or DIY power supply builds.
Ideal Applications
- DIY bench power supplies
- Battery charging systems
- Solar power management
- LED driver circuits
- Motor speed control projects
- Electronics prototyping & testing
What's in the Box?
- 1× DC-DC Buck Power Supply Module
Made in Mainland China.
Please Note: Due to lighting and monitor variations, the item's color may appear slightly different from product images. Please allow 1mm–10mm measurement tolerance due to manual measurement methods.
For more information on electrical safety standards related to low-voltage equipment, visit the U.S. Consumer Product Safety Commission – Electrical Safety.
Frequently Asked Questions
Q: What is the minimum input voltage required for this DC-DC buck module to work properly?
A: The minimum input voltage is 13V DC. The module accepts input from 13V up to 85V DC, providing wide compatibility with various power sources such as battery packs, solar arrays, and lab power supplies.
Q: Can I use this buck power supply module to charge lithium batteries?
A: Yes — because both the output voltage (5V–60V) and output current (0.1A–10A) are independently adjustable, this module can be configured as a constant-current/constant-voltage (CC/CV) charger suitable for many battery types, including lithium cells, when set to the appropriate charge parameters. Always verify your battery's specific charging requirements before use.
Q: What does "synchronous rectification" mean and why does it matter?
A: Synchronous rectification replaces traditional diodes with MOSFETs to switch current during the conversion process. This significantly reduces power losses and heat generation, resulting in higher overall efficiency — meaning more of your input power is delivered usefully to your load rather than wasted as heat.
Q: Is this module suitable for beginners in electronics?
A: This module is best suited for users with a basic understanding of DC electronics and power systems. It does not include terminals or a housing by default, so some assembly or integration into a project enclosure is typically required. Familiarity with voltage, current, and safe wiring practices is recommended.