CircuitCKT

The CD4047 CMOS-based two-MOSFET inverter circuit board is a square wave inverter that oscillating the input DC voltage at 50-60Hz frequency using an external transformer to produce a 220V AC output. This mini inverter can be handy for camping and outdoor emergency work where electricity is unavailable to charge your device batteries with a charger or power AC light bulbs. Here, we will discuss and explain the workings of this simple DC-AC power converter along with its circuit diagram .

The LM7805 circuit board is a voltage-regulated linear power supply that efficiently converts an input voltage within the safe range of 7V to 12V AC or DC to a fixed +5V DC output, capable of delivering a current of up to 1.2 Amps (with Heat Sink). It is suitable for providing additional power to various electronic components, charging modules, or powering LEDs (max 5 watts). Here, we will discuss and explain the workings of this positive DC power supply along with its circuit diagram .

The TP4056 battery charger is designed to safely and efficiently charge a single rechargeable 3.7V lithium battery. The circuit board can operate with a DC 5V 1A input and can be powered by a smartphone charger's USB mini cable. It charges Li-Ion/Li-Pol batteries to their nominal voltage of 4.2V with a steady current (programmable) of 1000mA while continuously monitoring the voltage level for Battery Overcharge protection . Two different color LEDs are included on the TP4056 circuit board to indicate the charging status. The red LED light during the charging process and automatically switches to blue LED light when the lithium battery is fully charged. The circuit is available with or without Battery Short-circuit protection feature. Here, we will discuss and explain the workings of this 3V7 lithium battery charger along with its circuit diagram .