Overview
The NE555PW, produced by Texas Instruments, is a single precision timer integrated circuit. It is widely used in various electronic circuits for generating timing signals, oscillations, and pulse generation. The NE555PW is available in a TSSOP (Thin Shrink Small Outline Package) and is part of the NE555 family, which includes other package types such as D, JG, P, PS, and PW. This component is known for its versatility and reliability in timing applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 4.5 | - | 16 | V |
| VI Input Voltage (CONT, RESET, THRES, TRIG) | - | - | VCC | V |
| IO Output Current | - | - | ±225 mA | mA |
| THRES Voltage Level (VCC = 15 V) | 9.4 | 10 | 10.6 | V |
| THRES Voltage Level (VCC = 5 V) | 2.7 | 3.3 | 4 | V |
| TRIG Voltage Level (VCC = 15 V) | 1.45 | 1.67 | 1.9 | V |
| TRIG Voltage Level (VCC = 5 V) | 1.1 | 1.67 | 2.2 | V |
| RESET Voltage Level | 0.7 | 1.1 | - | V |
| DISCH Switch Off-State Current | 20 | - | 100 | nA |
| DISCH Switch On-State Voltage (VCC = 5 V, IO = 8 mA) | 0.15 | - | 0.4 | V |
| Output-Pulse Rise Time (CL = 15 pF) | 100 | - | 200 | ns |
| Output-Pulse Fall Time (CL = 15 pF) | 100 | - | 200 | ns |
Key Features
- Highly Stable Operation: The NE555PW operates reliably over a wide range of supply voltages (4.5 V to 16 V) and temperatures (0°C to 70°C).
- Low Power Consumption: It has a low power consumption, making it suitable for battery-powered devices.
- Multiple Operating Modes: The NE555PW can be configured in both monostable and astable modes, allowing for a variety of timing and pulse generation applications.
- High Output Current Capability: The device can drive loads up to ±225 mA, which is sufficient for many applications.
- Compact Package: The TSSOP package is compact and suitable for space-constrained designs.
Applications
The NE555PW is versatile and can be used in a wide range of applications, including:
- Pulse Generation: Generating single pulses or continuous pulses in astable mode.
- Timing Circuits: Creating timing circuits for various electronic devices.
- Alarm Systems: Used in alarm systems and other security devices.
- LED Flashers and Blinkers: Creating LED flashers and blinkers for visual indicators.
- Power Supplies and Voltage Regulators: As part of power supply and voltage regulator circuits.
Q & A
- What is the operating voltage range of the NE555PW?
The NE555PW operates over a supply voltage range of 4.5 V to 16 V. - What are the typical package types for the NE555?
The NE555 is available in several package types, including D, JG, P, PS, and PW, with the NE555PW specifically being in TSSOP. - What is the maximum output current of the NE555PW?
The maximum output current is ±225 mA. - Can the NE555PW be used in both monostable and astable modes?
Yes, the NE555PW can be configured in both monostable and astable modes. - What is the temperature range for the NE555PW?
The NE555PW operates over a temperature range of 0°C to 70°C. - How do I improve the operation of the NE555PW?
Decoupling the CONT voltage to ground with a capacitor can improve operation, but this should be evaluated for individual applications. - What is the typical output-pulse rise and fall time for the NE555PW?
The typical output-pulse rise and fall time is 100 to 200 ns with a load capacitance of 15 pF. - Is the NE555PW RoHS compliant?
Yes, the NE555PW is RoHS & Green compliant. - What are some common applications of the NE555PW?
Common applications include pulse generation, timing circuits, alarm systems, LED flashers, and power supply circuits. - Where can I find more detailed specifications and support for the NE555PW?
You can find detailed specifications and support on the Texas Instruments website and through their E2E forums.
