Clik here to view.
1V-27V 3A Variable DC Power Supply Circuit Diagram
Above diagram is the scheme of variable DC power supply with output range of 1V to 17V. This power supply is used very few components, the power supply will be so easy to build. Serial power...
View ArticleClik here to view.
50V DC 3A Stabilized and Regulated Power Supply
This is the DC power supply that will give you 50V / 3A output, regulated and stabilized. Components List: R1=10Kohm R8=1.8Kohm 0.5W Q3=BC303 or BC461 R2=1 ohm 5W R9=3.3Kohm 0.5W D1….4=Bridge 15A...
View ArticleClik here to view.
Voltage Doubler from 6VDC to 12VDC
This is the circuit diagram of voltage doubler, or it can be called DC to DC converter circuit, from 6 Volt DC become 12V DC. This dc voltage doubler circuit will need about 2A from the 6V input...
View ArticleClik here to view.
1-15V DC Digital Power Supply with 15 Steps
This is a simple digital power supply circuit diagram to obtain variable DC voltage from 1.25V to 15.19V in reasonably small steps. The steps of up and down voltage can be down by press the up and...
View ArticleClik here to view.
Battery Discharge Monitor
Above circuit diagram is a battery monitor circuit which detaches the load when the battery is discharged, anticipating a deep discharge which could cause permanent battery damage. The battery is...
View ArticleClik here to view.
Triple Output DC Power Supply
This is the circuit diagram of triple output power supply. The output given are: Adjustable output +1.25V to +20VDC Splited / dual polarity output +12VDC and -12VDC Splited / dual polarity output...
View ArticleClik here to view.
12V / 10A Switching Power Supply
This is the circuit diagram of 12V / 10A switching power supply. The circuit, shown in the schematic, provides 12 volts, at 10 amperes, maximum, using a discrete transistor regulator with an op-amp...
View ArticleClik here to view.
0-30V / 5A Adjustable Symmetrical Power Supply
In the scheme diagram below we present a 0-30V / 5A adjustable symmetrical power supply that can cover a wide range of applications for laboratory or workshop. Values are included in the design...
View ArticleClik here to view.
12V / 20A Regulated DC Power Supply
Here the circuit diagram of 12V / 20A Regulated DC Power Supply using 5 pieces of power transistor MJ2955, voltage regulator 78S12. It will give you regulated output voltage of 12V-15V 20A. A 350VA...
View ArticleClik here to view.
Electric Car Battery Charger
This is the scheme diagram of electric car battery charger. As shown the circuit is a conventional power supply, followed by a regulator LM338 which is controlled by an operational amplifier which is...
View Article
