120 V to 12KV High Voltage Converter

On July 2nd, 2014 by psu | No Comments | Posted in High Voltage Power Supply

120 VAC to 12K VDC High Voltage Power Suppy 300x219 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 with very small current of about 5 microAmpere.

Two SCRs form two pulse generator circuits. The two SCRs discharge a 0.047uF a 400v capacitor through a xenon lamp trigger coil at 120 times a second.
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pinit fg en rect gray 20 120 V to 12KV High Voltage Converter

5V 10A 50W Offline Switching Power Supply

On June 28th, 2014 by psu | No Comments | Posted in Switching Power Supply

switching power supply 300x226 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 and secondary side controller will full-protection from fault conditions such as overcurrent.
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pinit fg en rect gray 20 5V 10A 50W Offline Switching Power Supply

Lithium Ion Battery Charger using Solar Cell Power Source

On June 25th, 2014 by psu | No Comments | Posted in Battery Charger, Solar Cell Power Supply

solar cell lithium ion batt charger Lithium Ion Battery Charger using Solar Cell Power Source

The above design diagram is the circuit diagram of Lithium-Ion battery charger which powered using solarcell / photovoltaic as the power source.
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pinit fg en rect gray 20 Lithium Ion Battery Charger using Solar Cell Power Source

Battery Discharge Monitor

On June 21st, 2014 by psu | No Comments | Posted in Battery Charger, Power Supply Circuit

Circuit diagram of battery charging monitor 300x150 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 automatically reconnected when a battery charger or other DC source is connected across the load. Select a relay which requires less than 100mA coil current and with contacts capable of handling the load and charging currents.
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pinit fg en rect gray 20 Battery Discharge Monitor

Simple 400V DC Power Supply

On June 13th, 2014 by psu | No Comments | Posted in High Voltage Power Supply, Unregulated Power Supply

simple 400vdc power supply 300x120 Simple 400V DC Power Supply

This is a very simple 400V DC power supply circuit diagram, or, it may called as 230VAC to 400VDC converter. The working principle of this circuit diagram is very simple. You already knew the working principle of a bridge rectifier. This circuit is same as bridge rectifier and the working principle is also same. The fuse is used to protect the circuit, if the current is greater than 1 A.
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pinit fg en rect gray 20 Simple 400V DC Power Supply

Simple Photocell Power Supply using MAX630

On June 5th, 2014 by psu | No Comments | Posted in Solar Cell Power Supply

Photocell Power Supply Circuit 300x153 Simple Photocell Power Supply using MAX630

This is a simple and easy build photocell power supply. It uses 8 pieces of photocell and single regulator IC of MAX630. This circuit capable to deliver either 4.8 or 7.2 V regulated at 15 mA with a 3-V input from a bank of photocells. R1 should be 453K Ohm for a 7.2-V output and 274K Ohm for a 4.8-Vdc output. Regulator efficiency of this circuit is about 70%.
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pinit fg en rect gray 20 Simple Photocell Power Supply using MAX630

Battery Charger Powered using Single Solar Cell

On May 28th, 2014 by psu | No Comments | Posted in Battery Charger, Solar Cell Power Supply

Battery charger using single solar cell 267x300 Battery Charger Powered using Single Solar Cell

This is the schematic diagram of battery charger circuit that powered using single solar cell. The circuit designed using MC14011B  manufactured by ON Semiconductor. CD4093 can be used to replace MC14011B. Supply voltage range : 3.0 VDC to 18 VDC.
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pinit fg en rect gray 20 Battery Charger Powered using Single Solar Cell
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