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Showing Results For: Voltage Supervisors
Voltage supervisors, also called voltage monitors, voltage detectors, or reset ICs, are integrated circuits designed to monitor the voltage of a power supply rail. They provide a reset signal to a microcontroller or other digital system when the voltage falls outside a specified tolerance window. Voltage detectors play a critical role in ensuring reliable system operation by preventing the microcontroller from executing code with an unstable or incorrect power supply. This prevents unpredictable behaviour, data corruption, or even hardware damage. Essentially, they act as a safeguard against brownouts and power glitches.
Choosing a voltage supervisor offers several key advantages. They enhance system reliability by preventing erratic operation due to power supply fluctuations. This is especially important in embedded systems and critical applications where stable performance is essential. Voltage supervisors also simplify the design process by providing a pre-built, tested solution for power supply monitoring, reducing the need for complex discrete circuitry. They offer a compact and cost-effective way to implement robust power management. Furthermore, they often include additional features like adjustable threshold voltages, watchdog timers, and power-on reset (POR) functionality, further streamlining the design and improving system robustness.
Voltage supervisors come in various configurations, each tailored to specific needs. Some common types include:
Voltage supervisors find wide application across various electronic systems, including: