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Name: NE555PWRE4
Brand: Texas Instruments
SKU: NE555PWRE4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments NE555PWRE4

Part No.:: NE555PWRE4

Manufacturer:: Texas Instruments

Package:: 8-TSSOP (0.173, 4.40mm Width)

Datasheet:: NE555PWRE4.pdf

Description:: IC OSC SGL TIMER 100KHZ 8TSSOP

In Stock:: 3448

Quantity:: Add To Cart

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NE555PWRE4 Specifications

Package/Case:
8-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Discontinued at Mosen
Type:
555 Type, Timer/Oscillator (Single)
Count:
-
Frequency:
100kHz
Voltage-Supply:
4.5V ~ 16V
Current-Supply:
10 mA
OperatingTemperature:
0°C ~ 70°C

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NE555PWRE4 information

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NE555PWRE4 Typical application Circuitry

NE555PWRE4

The NE555PWRE4 is a variant of the well-known NE555 timer IC, designed for timing and pulse generation applications. Its applications are diverse and can range from creating simple timers and pulse generators to more complex applications such as tone generation, PWM (pulse width modulation), and even digital logic circuits.

Typical parameters and features associated with the NE555 family include:

1. Voltage Range: It can usually operate between 4.5V to 15V.

2. Output Current: Up to 200 mA can be supplied or sunk by it.

3. Timing Range: This Can create delays from microseconds to hours.

4. Temperature Stability: Generally has a stable performance across various temperatures.

Let's explore a practical application by constructing a PWM (Pulse Width Modulation) Circuit using the NE555PWRE4.

Circuit Setup:

- Pin 1 (GND): This pin is grounded.

- Pin 2 (Trigger): Attached to Pin 6 and to the C1 capacitor's end.

- Pin 3 (Output): Outputs the PWM signal.

- Pin 4 (Reset): Tied to Vcc to avoid accidental resets.

- Pin 5 (Control Voltage): For a stable operation, it's connected to a capacitor (typically 0.01µF) that goes to the ground.

- Pin 6 (Threshold): This pin is connected to Pin 2 and to a potentiometer (Variable resistor, VR1) for PWM control.

- Pin 7 (Discharge): Linked to VR1 and the discharge end of C1.

- Pin 8 (Vcc): Attached to the power supply's positive terminal.

Timing Components:

- VR1 (Variable Resistor): Determines the duty cycle of the PWM signal.

- C1: The capacitor that charges and discharges, controlling the time period of the PWM signal.

PWM Frequency:

The frequency (f) of the PWM signal can be determined using the formula f = 1.44 / ((R1 + 2*VR1) * C1), where R1 is the resistance from Vcc to Pin 7.

Design Considerations:

1. Power Supply: Ensure that it matches the NE555PWRE4 voltage requirements.

2. Heat Dissipation: If a high current flows through the output, consider heat dissipation.

3. Signal Stability: To stabilize the power supply, place a decoupling capacitor next to the GND and Vcc pins.

4. Duty Cycle Range: The range of VR1 should be chosen to provide the desired duty cycle range for the application.

5. Load Compatibility: Ensure that the PWM signal characteristics are suitable for the load being driven.

In a PWM application, the NE555PWRE4 can effectively control the power delivered to a load, such as an LED or a motor, by adjusting the duty cycle of the signal. This is particularly useful in applications requiring variable speed or brightness control.

NE555PWRE4 FAQ

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6. What is the process for return or replacement of NE555PWRE4?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the NE555PWRE4 we delivered, we will accept the replacement or return of the NE555PWRE4 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of NE555PWRE4.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations