NE555PWRE4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	555 Type, Timer/Oscillator (Single)
Count:	--
Frequency:	100kHz
Voltage - Supply:	4.5 V ~ 16 V
Current - Supply:	10mA
Operating Temperature:	0°C ~ 70°C
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP
Mounting Type:	Surface Mount
Base Part Number:	NE555

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NE555PWRE4 Application Field and Working Principle

NE555PWRE4 is a programmable timers and oscillators integrated circuit which is mainly used in setting specific time delays or oscillation. This integrated circuit contains an internal circuit that is designed to create precise time delays or oscillations. The timing interval will be controlled by the external resistor and capacitor connected to the circuit.

Background of NE555PWRE4

The NE555PWRE4 IC is manufactured by Texas Instruments and its production began in 1970. It is an 8-pin package IC with two main terminals that are Voltage Controlled Oscillator (VCO) and a Timer Out. It can work at temperatures between 0°C and 70°C.

Applications of NE555PWRE4

NE555PWRE4 is used in several different applications. Due to the programmable feature, it can be used to control precise time delays or oscillations. Its uses include:

• Security systems and alarms
• Pulsed motor control
• Time-delay relays systems
• Time-controlled switching circuits
• Calculator and games circuits
• Battery-powered devices
• Decade counter applications

Working Principle of NE555PWRE4

The NE555PWRE4 is an 8-pin programmable timers and oscillators integrated circuit. It works by having a variable voltage applied to the voltage controlled oscillator (VCO) and a resistor connected between VCO and the Timer Out terminal. When the voltage is applied, the capacitor connected to the Timer Out begins to discharge.When the capacitor is fully discharged, the Timer Out will go low. This causes the VCO to stop and the time interval is calculated. This time interval depends on the resistance of the resistor connected to the Timer Out and the capacitance of the capacitor connected to the Timer Out.To obtain an oscillation, the capacitor must be reset and the cycle repeated. To reset the capacitor, the reset pin must be activated which will cause the Timer Out to go high. This allows the voltage controlled oscillator to start again and the cycle repeat.

Advantages of NE555PWRE4

NE555PWRE4 is a programmable timers and oscillators integrated circuit with numerous advantages such as:

• Simple construction, easy to use and economical.
• The timing interval can be adjusted by using external components such as resistors and capacitors.
• It can be used to produce both time delays and oscillations.
• It can be used with a wide range of working voltages.
• The output can be used to switch other electronic components such as relays.

Conclusion

The NE555PWRE4 is a programmable timers and oscillators integrated circuit that is used in various applications due to its adjustable time delays and oscillations. It is easy to use and can provide precise timing intervals with minimal effort. Due to its features, it is widely used in security systems, pulsed motor control and timer-controlled switching circuits.

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