Description
XL 6009 Automatic Buck-Boost Converter for Voltage Regulation & Power Projects
The XL6009 DC-DC Adjustable Boost-Buck Converter Module is a versatile power module designed to step up (boost) or step down (buck) input voltage to a stable, adjustable output. It is widely used in DIY electronics, battery-powered systems, solar applications, and embedded projects where voltage regulation is required.
Unlike simple boost or buck modules, this module operates as a buck-boost converter, meaning the output voltage can be higher or lower than the input voltage depending on the requirement.
Based on the XL6009 switching regulator IC, it uses high-frequency switching (~400kHz) to achieve compact size, high efficiency (~94%), and up to 4A output current.
The onboard multi-turn potentiometer allows precise output voltage adjustment, making it ideal for prototyping and real-world power applications.
Key Features
- Automatic buck + boost (step-up/step-down) operation
- Wide input voltage range: ~3.8V – 32V
- Adjustable output voltage: ~1.25V – 35V
- Output current up to 4A (peak)
- High efficiency up to ~94%
- High switching frequency: ~400kHz for compact design
- Onboard potentiometer for voltage tuning
Specifications
- IC Chip: XL6009
- Type: Non-isolated DC-DC buck-boost converter
- Input Voltage: 3.8V – 32V
- Output Voltage: 1.25V – 35V (adjustable)
- Output Current: Up to 4A
- Efficiency: Up to ~94%
- Switching Frequency: ~400kHz
- Mounting: PCB module with screw terminals
Applications
- Battery-powered devices (Li-ion, 18650 packs)
- Solar power regulation systems
- Automotive voltage converters
- LED drivers and lighting systems
- DIY power supplies
- Arduino, ESP32, Raspberry Pi projects
How to Use
- Connect input supply to IN+ / IN-
- Connect load to OUT+ / OUT-
- Rotate potentiometer to adjust output voltage
- Measure output using a multimeter before connecting sensitive loads
Quick Comparison
| Feature | Basic XL6009 | Standard Module | With Display |
|---|---|---|---|
| Voltage Adjustment | Yes | Yes | Yes |
| Display | No | No | Yes |
| Ease of Use | Medium | Easy | Very Easy |
| Accuracy | Medium | Good | High |
| Best For | Budget builds | General use | Precision projects |