On the specific energy density of Lithium Polymer (LiPo) batteries are superior to most other types of batteries. Rated output voltage they are also […]
Power Supply Circuits
10W Adapter for Portable Audio Devices
Flyback power supply shown in Figure 1 uses a chip TNY278PN to convert input voltage of 90-265 over ouput voltage in 5V and 2 […]
Computer Power Supply Repair
Actually power supply repair is rarely – less expensive to replace it with new. A defective power supply is usually thrown away, unless, of […]
Computer Power Supply Features
There are some features of the computer power supply which should be consider when buying or replacing your old power supply. Here is a […]
Power Supply for 25W Power Amplifier based MOSFET
The circuit diagram of unregulated power supply above is designed to supply a 25 watts power amplifier based MosFet. The output voltage of this […]
Computer Power Supply Options
The quality of power supply depends not only on power output. Experience shows that if a room is more than one computer and electrical […]
12 Volt / 2 A Switching Power Supply
The circuit 12 volt / 2 A switching power supply in the above scheme is not too complicated. At the output of this block […]
5 Volt to 230 Volt voltage converter
I found this circuit from the Russian websites, and perhaps converter circuit is interesting. This circuit can convert 5 V to 230 V. It […]