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Name: NE555PW
Brand: Texas Instruments
SKU: NE555PW
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 NE555PW

Part No.:: NE555PW

Manufacturer:: Texas Instruments

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

Datasheet:: NE555PW.pdf

Description:: IC OSC SGL TIMER 100KHZ 8TSSOP

In Stock:: 13001

Quantity:: Add To Cart

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NE555PW Specifications

Package/Case:
8-TSSOP (0.173, 4.40mm Width)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Active
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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NE555PW information

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NE555PW Typical application Circuitry

NE555PW

The NE555PW is a highly adaptable timer IC utilized for various timing and pulsing tasks. This chip finds utility in diverse scenarios including but not limited to simple delay mechanisms, intricate pulse generators, sound production in devices, PWM (Pulse Width Modulation) for controlling device intensity, and as integral components in digital circuits.

Characteristics typical to the NE555PW encompass:

1. Voltage Adaptability: Operates effectively within a range of 4.5V to 15V.

2. Current Output: Capable of driving or sinking up to 200 mA.

3. Versatile Timing: Can generate time delays from microseconds up to several hours.

4. Thermal Consistency: Maintains stable operation across varied temperature ranges.

Delving into a practical usage, let's design a PWM Circuit employing the NE555PW.

Circuit Configuration:

- Pin 1 (GND): Ground connection established.

- Pin 2 (Trigger): Connected to both Pin 6 and one end of capacitor C1.

- Pin 3 (Output): This is where the PWM signal is derived.

- Pin 4 (Reset): Directly connected to Vcc to negate any unintentional resets.

- Pin 5 (Control Voltage): A capacitor (often 0.01µF) is connected from this pin to ground to stabilize operations.

- Pin 6 (Threshold): Interlinked with Pin 2 and to a variable resistor VR1 for PWM modulation.

- Pin 7 (Discharge): Connected to VR1 and the discharging side of C1.

- Pin 8 (Vcc): This is where the power supply's positive side is connected.

Timing Elements:

- VR1 (Variable Resistor): Crucial for setting the PWM signal's duty cycle.

- C1 (Capacitor): This capacitor's charge and discharge cycles dictate the timing of the PWM signal.

PWM Frequency Determination:

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

Design Precautions:

1. Power Supply Matching: It should be compatible with the NE555PW's voltage criteria.

2. Thermal Management: Pay attention to heat dissipation especially if high current is expected at the output.

3. Signal Integrity: Place a decoupling capacitor adjacent to the GND and Vcc pins to stabilize the power supply.

4. Duty Cycle Flexibility: Select VR1's range to facilitate the desired duty cycle for the application.

5. Load Consideration: The load must be compatible with the characteristics of the PWM signal.

In applications demanding variable control such as motor speed regulation or LED brightness adjustment, the NE555PW proves invaluable. By modulating the PWM signal's duty cycle, it enables precise control over the power delivered to a device.

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6. What is the process for return or replacement of NE555PW?

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 NE555PW we delivered, we will accept the replacement or return of the NE555PW 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 NE555PW.

(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