A 30V/5A DC Bench Power Supply is a fundamental tool for electronics research labs, embedded systems testing, and IoT hardware prototyping. It provides a stable, adjustable DC voltage and current output with fine control, making it suitable for powering microcontrollers, sensors, actuators, and advanced development boards during experimentation.

Unlike fixed adapters, a lab-grade bench power supply offers precise voltage regulation, current limiting, and real-time monitoring, ensuring safe and repeatable testing conditions for sensitive electronic circuits.

Technical Specifications (Typical Research-Grade Unit)

• Output Voltage Range: 0 – 30V DC (adjustable)

• Output Current Range: 0 – 5A DC (adjustable)

• Load Regulation: ≤0.01% + 2mV

• Line Regulation: ≤0.01% + 3mV

• Ripple & Noise: ≤1 mVrms

• Programming Resolution: 10mV / 1mA (digital models)

• Display: Dual/Triple LED or LCD for Voltage, Current, and Power

• Protections: Over-voltage, over-current, short-circuit, over-temperature

• Cooling: Intelligent fan cooling or convection (depending on model)

• Input Power: 220V AC ±10%, 50Hz (India standard mains)

Features

• Adjustable Voltage & Current: Fine and coarse tuning knobs for precision control

• Constant Voltage (CV) & Constant Current (CC) Modes: Automatically switches to protect connected circuits

• Real-Time Digital Display: Clear readout of voltage, current, and power output

• Current Limiting Function: Prevents damage to prototypes and sensitive ICs

• Low Ripple & Noise: Ensures stable operation for microcontrollers, RF modules, and analog circuits

• Compact, Durable Design: Suitable for continuous use in labs and research environments

Operating Parameters

• Operating Temperature: 0°C – 40°C

• Storage Temperature: -20°C – 70°C

• Humidity: ≤80% RH, non-condensing

Compatibility & Interfaces

• Compatible with Arduino, ESP32, Raspberry Pi, Jetson, FPGA boards, sensors, and communication modules

• Provides reliable power for DC motors, servos, LED drivers, and analog circuits

• Useful in battery charging/discharging experiments (lithium-ion, lead-acid under controlled current)

Common Use Cases

• IoT & Embedded R&D: Powering and stress-testing development boards and custom circuits

• Robotics: Driving motors, servos, and control boards with adjustable current protection

• Analog/RF Research: Testing op-amps, sensors, and communication modules with low-noise supply

• Education & Academic Labs: Safe and flexible power source for student and faculty experiments

• Battery Research: Controlled charging and discharging cycles for energy storage studies

Why Valuable for Research?
The 30V/5A DC bench power supply is invaluable in research environments because it allows safe, repeatable, and precise control of experimental conditions. Current limiting ensures sensitive ICs and prototypes are not damaged during testing, while adjustable voltage makes it versatile for powering a wide variety of IoT and embedded devices.