This circuit shows a Low Current Controlled Battery Charger Circuit using LM723 IC and 2N3055 power transistor. Furthermore, this design mainly gives constant charging current to battery, so battery gets safe charging without over current damage. First, AC supply comes from transformer and then circuit converts it into DC and after that LM723 controls voltage […]
Power Supply Circuits
12V to 16V Adjustable DC to DC Step-up Converter Circuit
This circuit is a simple and useful DC to DC step-up converter built around the LM2577-ADJ IC and the main purpose of this circuit is to increase a low DC input voltage into a higher regulated DC output voltage. Therefore, we can use it in battery-powered projects, automotive electronics, portable devices, LED drivers and other […]
LM2596HV Adjustable DC Voltage Regulator Circuit
The LM2596HV is a high-voltage adjustable step-down switching regulator IC which works similar to the standard LM2596, but it supports higher input voltage up to 60V. Because of this, it is suitable for transformer-based power supply circuits, industrial DC lines, battery charging systems and adjustable bench power supplies. In this LM2596HV Adjustable DC Voltage Regulator […]
DC Step-Up Converter Circuit using Audio Amplifier IC
A step-up DC converter is a useful electronic circuit that increases a low DC input voltage into a higher DC output voltage. In this circuit, the TDA2004 IC works as the main switching and amplification device, although this IC is mainly designed as an audio amplifier, we can also use it for DC voltage boosting […]
Simple Reverse Polarity Protection Buzzer Alarm Circuit
In many electronic circuits, wrong battery connection can damage sensitive components, therefore, a Simple Reverse Polarity Protection Buzzer Alarm Circuit gives an early warning before damage happens. This circuit is simple, low cost and easy to build, also it uses common parts like diode, resistor, LED and buzzer. When we connect the supply in the […]
0-15V 3A Adjustable Power Supply Circuit
A 0-15V 3A Adjustable Power Supply Circuit gives adjustable DC voltage output from 0 volt to 15 volt and we use this circuit in electronic testing, small lab work, school projects and repair work, also this circuit helps us power many low-voltage devices safely. In this circuit, the LM350 voltage regulator IC controls the output […]