High Current Variable Power supply
High Current Variable Power supply Circuit Diagram. The popular Variable voltage regulator IC LM317 can handle only up to 1 ampere current and hence it is not s...
SMPS (Switched Mode Power Supply)
What is SMPS? Switched Mode Power Supplies (SMPS) belongs to the category of D.C. to D.C. converters and D.C. to A.C. Converters ...
smith kanapadz replication 6
ok LOL i will buy transformer to run in a 12V battery but this one is not similar to what the user romerouk from overunity is using?.....
13.8V 20A power supply
This PSU has been especially designed for current-hungry ham radio transceivers. It delivers safely around 20Amps at 13. 8V. For lower currents, a separate curr...
transformerless low cost power supply
In Capacitor Power Supplies we use a Voltage Dropping Capacitor in series with the phase line. An ordinary capacitor should not be used in these applications be...
Voltage Multiplier for Power LED Driver
This power supply circuit is designed around the garden variety 12VAC landscape lighting transformer. Transformer availability and selection has long been a ...
3V to 24V Variable Power Supply
This 3V to 24 volt variable-regulated power supply can be adjusted from 3 to 25 volts and is current limited to 2 amps as shown, but may be increased to 3.....
USB DC Power Supply from Cigar Lighter Socket
The diagram shows the circuit of a versatile USB power socket that safely converts the 12V battery voltage into stable 5V. This circuit makes it possible t.....
Desktop PC Linear Power Supply Circuit
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OverVoltage Protection Circuit
This overvoltage protection or crowbar protection circuit is used where we need protection against high voltage surge. The circuit has a few components, it.....
Universal Power Supply Circuit
This universal power supply contains, beside the bridge rectifier, a voltage stabilizer (78xx) and a pnp power transistor. This combination allow a load cu.....
12V Power Supply Circuits
4 simple 12V power supply circuits with output voltages around 12V. First power supply circuit is built with BD139, one zener diode and a few passive components...
Solar Panel to Battery Switch Circuit
When loading a battery during the day from a solar panel it can be partially discharging through the panel after nightfall. This solar panel power switch circui...
Polarity Protection Circuit
The most simple polarity protection tehnique is to connect a series diode to the power line input. The diode conducts only when the power supply protection.....
LM338 12V Power Supply Circuit
This ac to dc power supply can output 5A in continous operation and 12A peak current. This kind of dc power supplies uses a PCB so you can use two case typ.....
Capacitor Power Supply Circuit
One of the major problems that is to be solved in an electronic circuit design is the production of low voltage DC power supply from Mains to power the cir.....
Transformerless Power Supply 30V 1A
This transformerless power supply circuit is designed for medium current applications. During the negative half period, the capacitor C5 is charged to peak.....
LM338 Power Supply 4-30V 20A
This is a regulated and adjustable power supply which can deliver up to 20A and adjustable voltage between 4 and 30V. It is easy to build and uses LM338 an.....
2N3055 Variable Power Supply
This simple variable power supply circuit has a low production cost and delivers an output voltage between 1,5 V and 15 V with a 500 mA maximum current. It.....
Stabilized Adjustable Power Supply 0-15V/5A
This regulated power supply can be adjusted between a few volts and 15V with P1 and with P2 adjust the upper limit ( 15. 0V ). R6 value is 0. 7V / Imax where Im...