DC-DC Buck Power Module 7-32V 20A 5V 9V 12V Voltage Regulator
DC-DC Buck Power Module 7-32V 20A 5V 9V 12V Voltage Regulator
Synchronous DC-DC Step-Down Power Supply Module — High Power, High Efficiency
Upgrade your electronics projects with this professional-grade synchronous DC-DC buck (step-down) power supply module. Designed for makers, engineers, and hobbyists who demand reliable, high-current voltage regulation, this board delivers up to 20A output current and up to 240W of output power at an impressive 93% conversion efficiency. Whether you're powering LED arrays, motor drivers, embedded systems, or custom electronics, this module handles demanding loads with ease.
Key Features
- Wide Input Range: 7V–32V DC input (input must exceed output by at least 3V)
- Multiple Output Voltages: Selectable 5V, 9V, or 12V output
- High Output Current: Up to 20A per output channel
- High Efficiency: Up to 93% conversion efficiency across all output options
- Adjustable Switching Frequency: 150kHz – 1200kHz via PWM signal control
- Integrated 2A MOSFET Gate Driver: Enables fast, efficient switching
- Dual Output CC Loop Stabilization: Consistent current limiting for stable operation
- Comprehensive Protection: Short-circuit protection, thermal regulation, and thermal shutdown built in
- Synchronous Buck Design: Reduces heat and improves efficiency over diode-based designs
Technical Specifications
| Parameter | Value |
|---|---|
| Input Voltage | 7V – 32V DC |
| Max Input Current | < 18A |
| Output Voltage Options | 5V / 9V / 12V |
| Max Output Current | 20A |
| Output Power (5V) | 100W |
| Output Power (9V) | 180W |
| Output Power (12V) | 240W |
| Conversion Efficiency | Up to 93% |
| Control Signal | PWM |
| Switching Frequency | 150kHz – 1200kHz (adjustable) |
| Gate Driver | Integrated 2A MOSFET |
| Protection | Short circuit, thermal regulation, thermal shutdown |
| EU LVD Compliance | Low voltage: Below 50Vac or 75Vdc |
What's in the Box?
- 1× DC-DC Step-Down Power Supply Module
Made in Mainland China.
Note: Due to lighting and screen differences, colors may vary slightly from product images. Please allow ±1mm–1cm for manual measurement tolerances.
For general guidance on electrical safety standards for low-voltage electronics, visit the U.S. Consumer Product Safety Commission – Electrical Safety.
Frequently Asked Questions
Q: What input voltage range does this DC-DC step-down module support?
A: This synchronous buck power supply module accepts an input voltage of 7V to 32V DC. For proper operation, the input voltage must be at least 3V higher than the selected output voltage (5V, 9V, or 12V).
Q: What is the maximum output current and power of this voltage regulator board?
A: The module supports up to 20A output current. Maximum output power varies by selected voltage: 100W at 5V, 180W at 9V, and 240W at 12V — all at approximately 93% conversion efficiency.
Q: What protection features does this power module include?
A: This board features built-in short-circuit protection, thermal regulation, and thermal shutdown to safeguard both the module and connected devices during abnormal operating conditions.
Q: Can I control the switching frequency of this power board?
A: Yes. The switching frequency is adjustable from 150kHz to 1200kHz using a PWM control signal, giving you flexibility to optimize performance for your specific application and reduce electromagnetic interference as needed.