The XL6009 LM2596S Auto DC-DC Step Up/Step Down Converter Module is a versatile automatic buck-boost voltage regulator designed to provide stable and adjustable output voltage regardless of whether the input voltage is higher or lower than the output. This intelligent power conversion module combines boost and buck functionality in a single compact design, making it ideal for battery charging, solar power systems, automotive electronics, embedded projects, LED drivers, robotics, and DIY electronics.

Unlike standard buck converters or boost converters, this automatic voltage regulator can both increase and decrease voltage automatically, ensuring a stable output across varying input conditions. With adjustable output voltage from 1.25V to 25V and support for input voltages from 4V to 35V, this module is suitable for a wide range of power management applications.

The module supports lithium battery charging, NiMH battery charging, solar panel voltage regulation, vehicle power systems, LED constant current applications, and portable electronic devices. Its compact design, high efficiency, and built-in protection features make it a popular choice for engineers, makers, students, and electronics enthusiasts.

Features:

• Automatic step-up and step-down voltage conversion

• XL6009 and LM2596S buck-boost power regulation design

• Wide input voltage range from 4V to 35V DC

• Adjustable output voltage from 1.25V to 25V DC

• Stable voltage regulation under varying input conditions

• Suitable for both boost and buck applications

• Maximum output power up to 15W

• Supports lithium battery charging applications

• Compatible with 4V, 6V, 12V, 14V, and 24V battery systems

• Supports NiMH and NiCd battery charging

• Suitable for solar panel power regulation

• LED constant current driver functionality

• Output short-circuit protection

• High conversion efficiency up to 80%

• Compact and lightweight design

• Easy voltage adjustment using onboard potentiometer

• Multiple status indicator LEDs

• Can be directly soldered onto PCB projects

Why Choose BDTronics?

BDTronics supplies high-quality power management modules for electronics development, battery charging systems, solar projects, automation systems, and embedded applications. Each converter module is carefully tested to ensure stable performance and reliable voltage regulation.

Specifications:

• Model: XL6009 LM2596S Auto Buck Boost Converter

• Converter Type: Automatic Step Up / Step Down

• Input Voltage: 4V – 35V DC

• Output Voltage: 1.25V – 25V DC Adjustable

• Maximum Output Current: Up to 2A (depending on voltage and load)

• Maximum Output Power: 15W

• Conversion Efficiency: Up to 80%

• Full Load Temperature Rise: Approx. 45°C

• Output Protection: Short Circuit Protection

• Voltage Adjustment: Multi-turn Potentiometer

• PCB Size: 60mm × 37mm

• Connection Type: Solderable PCB Pads

• Indicator LEDs:

  • Constant Current Indicator (Red)

  • Charging Indicator (Red)

  • Charge Complete Indicator (Blue)

How to Use:

• Connect the input power source (4V–35V DC) to the input terminals

• Verify correct polarity before powering the module

• Use a multimeter to monitor output voltage

• Rotate the potentiometer to adjust the desired output voltage

• Clockwise rotation generally increases voltage

• Counterclockwise rotation generally decreases voltage

• Confirm output voltage before connecting sensitive devices

• Connect the load after adjustment is complete

• Ensure proper cooling when operating near maximum power levels

Applications:

• Solar power systems

• Lithium battery charging circuits

• Li-ion battery charging projects

• NiMH and NiCd battery chargers

• Arduino power supplies

• ESP32 and ESP8266 projects

• Raspberry Pi power regulation

• Automotive voltage stabilizers

• Vehicle electronics

• LED constant current drivers

• Portable power supplies

• DIY electronics projects

• Industrial automation circuits

• Embedded systems development

• Robotics and mechatronics

• Laboratory testing equipment

Important Notes:

• Input voltage must remain within 4V–35V DC

• Maximum power output is 15W

• Output current depends on output voltage and load requirements

• Additional cooling is recommended for high-power operation

• Verify voltage settings before connecting electronic devices

• Observe proper polarity to prevent damage

Package Includes:

• 1 × XL6009 LM2596S Auto DC-DC Step Up Down Converter Module

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