Overview
The NE555PWR, produced by Texas Instruments, is a precision timing circuit that is widely used in electronic projects for generating accurate time delays or oscillations. This component is available in an 8-pin TSSOP (Thin Shrink Small Outline Package) and operates within a temperature range of 0 to 70°C. The NE555PWR is known for its versatility and reliability, making it a staple in many electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4.5 to 16 | V |
| Input Voltage (CONT, RESET, THRES, TRIG) | VCC | V |
| Output Current | ±225 | mA |
| Threshold Voltage Level | 2.7 to 4 (VCC = 5 V), 8.8 to 11.2 (VCC = 15 V) | V |
| Trigger Voltage Level | 1.1 to 2.2 (VCC = 5 V), 1.45 to 1.9 (VCC = 15 V) | V |
| Reset Voltage Level | 0.1 to 1.1 | V |
| Package Type | TSSOP (PW) | |
| Package Pins | 8 | |
| Operating Temperature Range | 0 to 70 | °C |
Key Features
- Timing Range: From microseconds to hours.
- Operation Modes: Astable or monostable operation.
- Adjustable Duty Cycle: Frequency and duty cycle can be controlled independently.
- TTL-Compatible Output: Can sink or source up to 200 mA.
- Supply Voltage Compatibility: Operates with supply voltages from 5 V to 15 V.
Applications
The NE555PWR is versatile and can be used in a variety of applications, including:
- Pulse generation and timing circuits.
- Sequential timing and alarm systems.
- Frequency dividers and oscillators.
- LED flashers and other lighting control systems.
- Automotive and industrial control systems.
Q & A
- What is the NE555PWR used for? The NE555PWR is used for generating accurate time delays or oscillations in electronic circuits.
- What are the operating voltage ranges for the NE555PWR? The NE555PWR operates with supply voltages from 4.5 V to 16 V.
- What are the typical applications of the NE555PWR? Typical applications include pulse generation, sequential timing, frequency dividers, LED flashers, and automotive and industrial control systems.
- Can the NE555PWR operate in both astable and monostable modes? Yes, the NE555PWR can operate in both astable and monostable modes.
- What is the maximum output current of the NE555PWR? The NE555PWR can sink or source up to 200 mA.
- What is the package type of the NE555PWR? The NE555PWR is available in an 8-pin TSSOP (Thin Shrink Small Outline Package).
- What is the operating temperature range of the NE555PWR? The NE555PWR operates within a temperature range of 0 to 70°C.
- How is the duty cycle controlled in the NE555PWR? The duty cycle can be controlled independently using two external resistors and a single external capacitor.
- Is the NE555PWR TTL-compatible? Yes, the NE555PWR is TTL-compatible, especially with a 5-V supply.
- Can the NE555PWR be reset externally? Yes, the NE555PWR has a reset input that can override all other inputs and initiate a new timing cycle.
