LM2596 Constant Current Buck-Boost Power Supply Module

The LM2596-LM2577 Constant Current Buck-Boost Power Supply Module is a versatile voltage regulator and power supply device designed for applications where a stable DC output voltage with constant current capability is required. This module can handle a wide range of input and output voltages, making it suitable for various power source and load requirements

Specificatoins of LM2596 Constant Current Buck-Boost Power Supply Module:

• Type: Constant Current Buck-Boost Power Supply Module
• Model: LM2596 - LM2577 (XL6015E1)
• Input Voltage Range: Varies by model (common range is DC 3.5V-30V)
• Output Voltage Range: Varies by model (common range is DC 1.25V-30V)
• Output Current: 100mA to 3A (Adjustable)
• Output Power: 15W maximum
• Adjustable Output: Yes
• Efficiency: Typically 90% or higher (depends on input/output voltage difference and load)
• Switching Frequency: Typically 150 kHz
• Protection Features: Over-temperature, Over-current, Short Circuit Protection (Some models may have these features)
• Size: 50mm x 37mm x 14mm L x W x H
• Connection: Pads for easy soldered connection to input and output power sources
• Cooling Method: Natural convection (no built-in fan)
• Mounting: Screw holes for secure attachment
• Conversion Type: Buck-Boost
• Indicator: CC indicator is Red, charging indicator is Red, charging complete indicator is Blue.
• Output short circuit protection: Yes, constant current.

Features of LM2596 Constant Current Buck-Boost Power Supply Module:

• Input Voltage Compatibility: This module is compatible with a wide range of input voltages, typically ranging from DC 3.5V to 30V, depending on the model.
• Output Voltage Range: The LM2596-LM2577 can provide a stable DC output voltage that can vary by model, with common ranges from 1.25V to 30V, offering flexibility for different voltage requirements.
• Output Current: The module can deliver a variable output current that varies by model, with common models capable of handling currents up to 3A, suitable for various electronic components and circuits.
• Adjustable Output: The module features an integrated potentiometer that allows you to adjust the output voltage to meet your specific project requirements.
• Efficiency: With a typical efficiency of 90% or higher, this module minimizes power losses during voltage conversion, which is crucial for energy-efficient applications.
• Switching Frequency: The module typically operates at a switching frequency of around 150 kHz.
• Protection Features: Some models of the LM2596-LM2577 module may include protection mechanisms, such as over-temperature, over-current, and short-circuit protection.
• Connection: Pads are provided for easy soldered connection to both input and output power sources.
• Cooling Method: Cooling is achieved through natural convection, and the module doesn't have a built-in fan.
• Mounting: Screw holes are available for secure attachment to your project or enclosure.
• The LM2596-LM2577 Constant Current Buck-Boost Power Supply Module is commonly used in various applications, including:
• Power Supply Design: Building adjustable voltage power supplies for electronics projects.
• Battery Charging: Regulating charging voltages and currents for batteries.
• Voltage Stabilization: Providing stable output voltages for sensitive electronic components.
• Solar Power Systems: Adjusting solar panel output voltages for charging batteries or powering devices.

How to Use LM2596 Constant Current Buck-Boost Power Supply Module:

Usage Tip:

Adjust the output voltage carefully using the potentiometer to meet your specific voltage needs.

Ensure proper heat dissipation and cooling, especially when operating the module near its maximum current and voltage limits.

When adjusting the output voltage, if attempting to match the input voltage, turn the potentiometer until the value changes. Note that the potentiometer can typically be turned around 20-40 times to cover its full range of adjustment.

Caution:

Be cautious when working with higher input voltages, and ensure the output voltage is within safe limits for your components.

Follow safety precautions when handling and connecting power sources to the module to prevent electrical hazards.