This is the circuit diagram of battery charger which has many important features such as current-constant charging, overcharge protection, short-circuit protection, deep discharge protection and […]
Category: Power Electronics
5V DC Regulated Power Supply with Short Circuit Protection
This is the circuit diagram of 5V DC regulated power supply which featured with short circuit protection system. There are 2 kind of output that […]
Battery Charger + Small LED Lamp based Solar Cell / Photovoltaic
This is the circuit diagram of rechargable battery charger which use solar cell / photovoltaic as the DC source. This circuit works to charge 3 […]
12V 4A Solar Photovoltaic Battery Charger
This is the circuit diagram of 12 Volts, 4 Amperes Solar Photovoltaic (PV) battery charger which will be suit to charge a 12V battery or […]
Electronic Appliance Protector
This is a easy built and very low-cost circuit purposed to protect your electronic appliances / devices, such as Personal Computer, TV, recording devices, refrigerator, […]
Uninterruptible Power Supply with PIC17C43 Microcontroller
This is a MicroChip Uninterruptible Power Supply (UPS) reference design with PIC17C43 microcontroller. The document is available to download from the end of this post. […]
Variable / Adjustable DC Power Supply 1.2V – 25V using LM338K
This is variable DC power supply circuit, or we can call it adjustable DC power supply which give us a 1.2V-25V output voltage. The power […]
Solidstate Automatic Power-Off on Mains Failing
The following schematic diagram is the circuit of? solidstate automatic power-off on mains failing. A really good number of circuits which shut down the power […]
1 – 9V Variable Desktop Power Supply
Here the variable desktop power supply which will convert a high input voltage (12V) from the SMPS / PSU of a desktop computer into small […]
Cell Phone Shield with Charger
This is the cell phone shield circuit which can be used as mobile charger. Give protection to your cell phone from unexpected use or theft […]
