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5V 10A 50W Offline Switching Power Supply
This is the switching power supply circuit diagram with 50W power output with a 5V voltage 10A current. It is a flyback converter operating in the continuous mode. The circuit features a primary side...
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120 V to 12KV High Voltage Converter
Here is the schematic diagram of 120 V to 12KV power supply, or you may call it high voltage generator or 120V to 12KV converter. This circuit produce very high output voltage that is about 12K volt...
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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...
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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...
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1.5A Negative Adjustable Power Supply
This is the circuit diagram of negative adjustable power supply based LM337T. This circuit can be used for devices which required negative supply to work. The regulator LM337T is capable of supplying...
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Power Supply Calculator for Server and Desktop Computer
These are the recommended websites which provide online power supply calculator for server and desktop computer. This tool used to calculate the estimate wattage of power supply which should be used...
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1.2V – 57V Regulated DC Power Supply Circuit
This is the circuit diagram of multi purpose regulated dc power supply which featured with short circuit protection. The electronic workshop is necessary to have a source capable of providing any...
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12V DC Power Supply without Transformer
These are 12V DC power supply circuit which designed without transformer (trafo). These circuit use capacitive reactance instead of resistance; and it doesn’t generate very much heat.The circuit draws...
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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...
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Bench Power Supply Adjustable 1.25V-15V and Fix 5V
This is bench Power Supply give you three types of voltage output that are adjustable 1.25V-15V / 1A positive voltage, adjustable 1.25V-15V / 1A negative voltage and Fix 5V 3A positive voltage. The...
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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...
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Isolated Feedback SMPS 5VDC 1.5A
Above schematic design is an isolated feedback SMPS (switched mode power supply) circuit using the isolated feedback capabilities of the TL3103 for both current and voltage sensing. This powersupply...
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Versatile AA-Cell Battery Charger
This is the circuit design of AA-Cell battery charger that can be used to charge six AA batteries at once. An integrated circuit of LM317 voltage regulator is configured as a constant-current source....
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Self Powered Battery Tester
This self powered battery tester circuit runs a fast battery test without the need of power supply or expensive moving-coil voltmeters. It features two ranges: when SW1 is set as shown in the...
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How To Repair Computer Power Supply
If the power supply is damaged or does not work, the computer also will not be able to work. Before starting to repair computer power supply, we have to identify the cause of the damage. Damage to the...
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12V / 3A Regulated Power Supply
Here we provide a powerful 12V / 3A regulated power supply circuit. Of course the circuit provides a 12V regulated power supply with output current up to 3 amperes. It is specially designed for use...
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15V 1A Regulated Symmetrical Power Supply
This is the easy built 15V 1A regulated symmetrical power supply capable to deliver stabilized voltage of +15V DC and -15VDC. The maximum current output is about 1 ampere up to 1.5 ampere refer to the...
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High Voltage, Low Current Power Supply (2000VDC from 15VDC)
This is a high voltage, low current power supply capable to deliver 2000VDC output from 15VDC input voltage. It uses the combination of simple step-up transformer and Cockroft-Walton voltage...
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Auto Switch-Off Power Supply (Variable Output 3.7V to 8.7V)
Here is the auto switch-off power supply which will turn off itself when there is no load on the output. The output voltage can be vary from 3.7V upto 8.7V. Although this circuit uses fixed-voltage...
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Universal Battery Charger for Charging up to 18V Cell
This universal battery charger has regulated output voltage which can be adjusted as you need. Also, this circuit has an adjustable constant-current charging circuit. So, the circuit will be...
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