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The LM2577S+LM2596S Automatic Buck-Boost Power Module is a high-efficiency DC-DC automatic voltage regulator designed to provide a stable adjustable output voltage whether the input voltage is higher or lower than the desired output voltage. Combining the LM2577S boost converter and LM2596S buck converter on a single board, this intelligent power module automatically switches between boost and buck operation, making it ideal for battery-powered systems, solar applications, automotive electronics, robotics, embedded systems, LED lighting, industrial automation, and DIY electronics. Its wide input voltage range, adjustable output, and reliable performance make it an excellent solution for applications requiring stable DC power.
Powered by the proven LM2577S boost regulator and LM2596S buck regulator ICs, the module automatically adjusts its operating mode according to the input voltage. When the input voltage falls below the set output voltage, the LM2577S boosts the voltage, while the LM2596S efficiently steps the voltage down when the input exceeds the desired output. This automatic buck-boost operation ensures a stable output voltage across varying input conditions, making the module particularly suitable for battery-operated equipment, renewable energy systems, portable electronics, and automotive power supplies.
The LM2577S+LM2596S Power Module features an adjustable output voltage, high conversion efficiency, onboard filtering capacitors, precision potentiometer adjustment, power indicator LED, and screw terminal connections for easy installation. It supports a wide input voltage range and provides protection against overcurrent, overheating, and short-circuit conditions under normal operating environments. The compact PCB design allows easy integration into embedded systems, industrial equipment, laboratory projects, and prototype development.
Designed for students, hobbyists, engineers, researchers, and product developers, the LM2577S+LM2596S Automatic Buck-Boost Power Module is compatible with Arduino, ESP32, Raspberry Pi, STM32, NodeMCU, PLC systems, and numerous embedded platforms. It is widely used in solar energy systems, battery-powered devices, automotive electronics, communication equipment, robotics, industrial automation, LED lighting, instrumentation, and educational projects requiring a reliable adjustable DC power supply.
LM2577S and LM2596S Dual Regulator Design
Automatic Buck-Boost Operation
Wide DC Input Voltage Range
Adjustable Output Voltage
High Conversion Efficiency
Automatic Voltage Regulation
Boost Converter Function
Buck Converter Function
Stable DC Output
Low Ripple Output
High Output Current Capability
Precision Voltage Adjustment
Onboard Multi-Turn Potentiometer
Power Indicator LED
Overcurrent Protection
Thermal Protection
Short-Circuit Protection
Compact PCB Design
Screw Terminal Connections
Easy Installation
Suitable for Battery-Powered Systems
Compatible with Solar Applications
Ideal for Automotive Electronics
Suitable for LED Power Supply
Perfect for Robotics Projects
Compatible with Arduino
Compatible with ESP32
Compatible with Raspberry Pi
Suitable for STM32 Development
Excellent for Industrial Automation
Ideal for DIY Electronics Projects
Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.
