This 12V battery charger circuit can charge 12 volt batteries with maximum current 20 A rms.
Power Supply Circuits
Dual polarity 15V power supply
This simple split / dual polarity unregulated power supply circuit provides a +15 Volt and -15 Volt supply from a single transformer winding and […]
Power Supply Splitter 9V to ± 5V
This power supply splitter circuit can divide the voltage of ± 5V only from a 9V battery. This circuit consists of three ICs. The […]
Low Power 5V Switching Regulator
This simple switching regulator circuit have 5 V output, the input provide by a 9 V battery. It having 80% efficiency and 50mA output capability.
Current Source / Regulator
The Current Source/Regulator circuit powers the load through the regulator’s input rather than its output. Since the regulator’s output sees constant dummy load R1, […]
Universal Power Supply Module 3V-30V
This universal power supply circuit provides a variable voltage between 3-30 V. The power supply provides maximum current 1.5 A and with a few […]
Adjustable Output Regulator with Op-Amp
With adjustable voltage regulator the circuit voltage can be obtained varies from 7 to 20 VDC. This circuit requires a voltage input> = 20VDC
Lead Acid Battery Charger with Current Limit
The Lead Acid battery charger is based at charging voltage 2.4 V per cell, according to many manufacturers recommendations’. Pulse circuit the battery under […]