The 8V-80V 20W Buck Power Supply Module is a high-efficiency step-down converter designed for a wide range of DC power applications. Based on the XL7056 buck regulator IC, this compact module delivers stable, adjustable output voltage from input sources ranging from 8V to 80V, making it ideal for hobbyists, makers, and professionals working on automotive electronics, battery-powered systems, and industrial control projects. With its onboard potentiometer for easy voltage adjustment and robust thermal performance, this module simplifies power management in demanding environments.
Key Features:
- Wide Input Voltage Range: Accepts 8V to 80V DC input, suitable for automotive, industrial, and solar applications.
- Adjustable Output Voltage: Onboard blue multi-turn potentiometer for precise voltage regulation.
- Maximum Output Power: 20W continuous power delivery capability.
- Compact PCB Design: Small form factor (approximately 36mm x 17mm) for easy integration into space-constrained projects.
- High-Efficiency Buck Conversion: Minimises heat generation and maximises battery life in portable applications.
- Screw Terminal Blocks: Convenient input and output connections for secure wire attachment.
- Onboard Inductor: High-current inductor for stable switching performance and reduced electromagnetic interference.
- Electrolytic Capacitors: Two 100V rated electrolytic capacitors (470µF and 100µF) for input filtering and output smoothing.
- Main Controller IC: XL7056 step-down (buck) switching regulator with integrated power MOSFET.
- Thermal Performance: Efficient heat dissipation through the PCB and IC package design.
- Over-Current Protection: Built-in current limiting to protect the module and connected devices.
- Operating Temperature Range: Suitable for industrial and automotive temperature environments.
- Input Voltage: 8V to 80V DC
- Output Voltage: Adjustable (typically 5V to 60V, dependent on input voltage)
- Maximum Output Current: Typically up to 3A (dependent on input-output voltage differential and thermal conditions)
- Switching Frequency: Internal oscillator frequency as per XL7056 specifications
- Efficiency: Up to 96% under optimal load conditions
- Ripple and Noise: Low output ripple with onboard filtering capacitors
Applications
- Automotive Electronics: Powering microcontrollers, sensors, and displays from vehicle electrical systems (12V, 24V, or 48V).
- Battery-Powered Projects: Efficient voltage regulation for lithium-ion, lead-acid, and other high-voltage battery packs.
- Solar Power Systems: Step-down conversion for solar panel outputs to charge controllers and loads.
- Industrial Control: Reliable power supply for PLCs, motor drivers, and embedded control systems.
- DIY Electronics: Versatile power module for hobbyist projects requiring stable, adjustable DC voltage.
Why Choose the 8V-80V 20W Buck Power Supply Module? This module offers exceptional versatility and reliability for applications requiring efficient voltage step-down from high-voltage sources. Its wide input range, adjustable output, and compact design make it a practical choice for automotive, renewable energy, and industrial projects. With robust construction and straightforward setup, this buck converter is ready to power your next innovative design.
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