XL6009 DC-DC Booster Step-Up Module - Adjustable Voltage Regulator 3V-32V to 5V-35V Power Converter, 4A Switch Current High-Efficiency Boost Board for Arduino and DIY Electronics Projects

Overview

The DIYKIT XL6009 DC-DC Booster Step-Up Module is a high-performance step-up (boost) switching regulator designed to efficiently convert lower input voltages to a higher, stable output voltage. Utilizing the advanced XL6009E1 generation chip, this module offers significantly higher performance and efficiency compared to older LM2577-based designs. Operating at a high switching frequency of 400kHz, the module minimizes output ripple and allows for a highly compact physical footprint, making it an excellent choice for space-constrained DIY electronics, robotics, and prototyping applications. Whether you need to power a 12V device from a single-cell lithium battery or boost a 5V USB rail to run a 24V actuator, this versatile module provides a reliable and adjustable power solution.

Technical Details

At the heart of this module is the XLSEMI XL6009 regulator IC, which features an internal N-channel power MOSFET and fixed-frequency oscillator architecture. Unlike traditional boost converters that operate at lower frequencies (typically 50kHz to 150kHz), the XL6009 operates at 400kHz. This high-frequency switching reduces the physical size of the energy-storage inductor and filter capacitors while maintaining low electromagnetic interference (EMI) and high conversion efficiency, which can reach up to 94% under optimal load conditions. The module integrates essential protection features, including over-temperature shutdown and current-limit protection, to safeguard the internal circuitry during fault conditions. The output voltage is adjusted via a high-precision, multi-turn cermet potentiometer, allowing for fine-grained control down to millivolt levels.

Specifications

Please note that specific parameters may vary slightly by module revision; check datasheet or verify with the manufacturer for absolute maximum ratings.

• Input Voltage Range: 3.0V to 32V DC (optimum operating range is 5V to 32V)
• Output Voltage Range: 5.0V to 35V DC (continuously adjustable; output must be greater than input)
• Maximum Switch Current: 4.0A (peak limit of the internal MOSFET; continuous operating current should be kept lower)
• Continuous Output Current: Up to 1.5A to 2.0A (depending on the input-to-output voltage differential and thermal dissipation)
• Maximum Output Power: Approximately 15W without an external heatsink; up to 20W with adequate cooling
• Conversion Efficiency: Up to 94% (efficiency is highly dependent on the input/output voltage gap and load current)
• Switching Frequency: 400 kHz (nominal)
• Output Ripple: Less than 50mV under standard operating conditions
• Load Regulation: +/- 0.5%
• Voltage Regulation: +/- 0.5%
• Operating Temperature Range:
• 40 degrees Celsius to +85 degrees Celsius (industrial grade)

Applications

The XL6009 boost module is highly versatile and widely used across various electronic projects and industrial prototypes:

• Battery-Powered Systems: Boosting single or dual-cell lithium-ion/polymer batteries (3.7V
• 7.4V) to 9V, 12V, or 24V to power microcontrollers, sensors, and motors.
• Solar Power Regulators: Stabilizing fluctuating outputs from small solar panels to charge batteries or run low-power devices.
• Automotive Electronics: Stepping up 12V car battery power to 19V or 24V for laptops, LED lighting arrays, or specialized communication equipment.
• DIY Power Supplies: Creating a portable, adjustable bench power supply when paired with a battery pack or USB power source.
• LED Drivers: Providing the necessary high voltage to drive series-connected high-power LED strings from low-voltage inputs.

Integration Notes

To ensure optimal performance and prevent damage to the module or connected components, adhere to the following integration guidelines:

1. Connection Terminals: The module features clearly marked solder pads: IN+ (Positive Input), IN- (Negative Input/GND), OUT+ (Positive Output), and OUT- (Negative Output/GND). Ensure correct polarity before applying power, as reverse polarity input may damage the regulator.

2. Voltage Adjustment: If the output voltage does not change when turning the potentiometer, it may require several full counter-clockwise turns (up to 20 rotations) before the voltage begins to step up. This is normal behavior for multi-turn potentiometers.

3. Thermal Management: When operating the module near its limits (output power exceeding 15W or output current exceeding 1.5A), it is highly recommended to install a small aluminum heatsink directly onto the XL6009 IC or provide active fan cooling to prevent thermal throttling.

4. Input vs. Output: This is a step-up (boost) converter only. The output voltage must always be set higher than the input voltage for the module to regulate correctly. If the input voltage exceeds the set output voltage, the output will track the input voltage (minus a diode drop), and regulation will be lost.

Included Components

1 x DIYKIT XL6009 DC-DC Booster Step-Up Module