DC-DC Step-Up & Step-Down Power Supply Module (LM2596S & LM2577S)

DC-DC Step-Up & Step-Down Power Supply Module is a highly efficient, compact, and versatile power management solution designed for modern electronics applications. Combining the proven performance of the LM2596S buck (step-down) regulator and the LM2577S boost (step-up) converter, this module enables seamless voltage regulation across a wide range of input conditions. Whether you need to reduce voltage for sensitive microcontrollers or increase voltage for motors, sensors, and communication modules, this dual-function DC-DC converter module delivers stable and reliable power with minimal heat dissipation.

Built with high-quality components and optimized PCB layout, the module ensures excellent conversion efficiency (up to 92%), reduced ripple, and strong load regulation. It is widely used in embedded systems, robotics, automotive electronics, IoT devices, battery-powered projects, and industrial automation, making it an essential tool for engineers, hobbyists, and product designers.

Key Features

• Dual Functionality: Integrated step-down (LM2596S) and step-up (LM2577S) converters in a single module.

• Wide Input Voltage Range: Accepts input voltages from 3.5V to 40V, making it compatible with batteries, adapters, and solar panels.

• High Efficiency: Up to 92% power conversion efficiency, reducing power loss and heat generation.

• Adjustable Output Voltage: Precision onboard potentiometers allow easy voltage tuning.

• High Output Current Capability: Supports up to 3A continuous current (depending on thermal conditions).

• Low Ripple & Noise: Suitable for powering sensitive analog and digital circuits.

• Thermal & Short-Circuit Protection: Built-in safety features ensure reliable long-term operation.

• Compact & Lightweight Design: Ideal for space-constrained embedded and portable applications.

• Wide Operating Temperature Range: Designed for stable performance in demanding environments.

• Easy Integration: Clearly labeled terminals and onboard indicators simplify installation and testing.

Technical Specifications

General:

• Regulator ICs: LM2596S (Buck), LM2577S (Boost)

• Module Type: DC-DC Switching Power Supply

• Efficiency: Up to 92%

• Operating Temperature: -40°C to +85°C

Input:

• Input Voltage Range: 3.5V to 40V DC

• Input Protection: Reverse polarity (recommended external diode)

Output:

• Output Voltage Range (Buck): 1.25V to 35V DC (adjustable)

• Output Voltage Range (Boost): 4V to 40V DC (adjustable)

• Maximum Output Current: Up to 3A (with adequate heat sinking)

• Output Ripple: ≤ 50mV (typical)

• Voltage Regulation: ±1%

Mechanical & Physical:

• Dimensions: Compact PCB module (approx. 65 × 45 mm)

• Weight: ~30 g

• Mounting: Through-hole terminals / solder pads

Applications

The LM2596S & LM2577S DC-DC converter module is suitable for a wide variety of electronics and power management applications:

• Embedded Systems & Microcontrollers: Power Arduino, ESP32, Raspberry Pi, STM32, and other development boards.

• Battery-Powered Devices: Efficiently regulate lithium-ion, lead-acid, and NiMH battery voltages.

• Robotics & Automation: Supply stable voltage to motors, drivers, sensors, and controllers.

• Automotive Electronics: Convert 12V or 24V vehicle power to regulated voltages for dashboards, GPS trackers, and infotainment systems.

• IoT & Smart Devices: Ideal for energy-efficient voltage regulation in wireless sensor nodes and smart home devices.

• Industrial Equipment: Power control boards, PLC modules, and monitoring instruments.

• DIY Electronics & Prototyping: Perfect for laboratories, makerspaces, and educational kits.

• Renewable Energy Systems: Regulate voltages from solar panels and battery storage systems.

Why Choose This DC-DC Converter Module?

This step-up and step-down DC-DC power supply module offers exceptional flexibility by combining buck and boost functionality in one compact board. The use of industry-standard LM2596S and LM2577S switching regulators ensures proven reliability, stable output, and high conversion efficiency. Its adjustable voltage output, robust current capability, and built-in protection mechanisms make it ideal for both prototyping and production use.

Whether you’re designing a portable device, upgrading an automotive electronics system, or building an IoT prototype, this module provides a dependable, cost-effective, and easy-to-use solution for all your voltage regulation needs.

Package Includes:

1 x DC-DC Step-Up & Step-Down Power Supply Module (LM2596S & LM2577S)

FAQ

1. Where can we buy this DC-DC Step-Up & Step-Down Power Supply Module (LM2596S & LM2577S)?

This product is available online https://aiiottech.in/product/dc-dc-step-up-step-down-power-supply-module/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this DC-DC Step-Up & Step-Down Power Supply Module (LM2596S & LM2577S) after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: How to use Step Up-Step Down Voltage Module LM2596 LM2577 Boost Buck Converter?