MIC2777-26BM5-TR

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A Power Management Integrated Circuit (PMIC) is an important component in the electronic device ecosystem. Supervisors are a subset of PMICs that feature power supply monitoring, power failure protection, and reset signals. Specifically, the MIC2777-26BM5-TR supervisor is a component known for its high precision and low power home security systems, as well as various industrial and automotive applications.This article will outline the application field and working principle of the MIC2777-26BM5-TR supervisor to help end users make a more informed decision when selecting a component for their desired application.

Overview of the MIC2777-26BM5-TR Supervisor

The MIC2777-26BM5-TR supervisor is a small form factor component that is capable of providing precise monitoring of a power supply. This component operates on input voltages of 3.3V, 5V, 12V, or 24V, and requires a typical operating current of just 80μA. It also provides a wide range of reset thresholds of 1.8V to 5.5V, making it suitable for a variety of applications.

The MIC2777-26BM5-TR also features a reset active high/low selectable pin for output functionality, as well as a type A reset input for use with external reset sources. This supervisor also features Auto-TrimmingTMtechnology, which improves the accuracy and reliability of the output signal without affecting the frequency at the output. It even includes a low power shutdown mode, making it ideal for use in applications where power consumption must be kept to a minimum.

Applications of MIC2777-26BM5-TR Supervisor

Due to its wide range of features and small form factor, the MIC2777-26BM5-TR supervisor is suitable for a variety of applications. Home security systems such as intrusion detection systems and fire alarms will benefit greatly from the precise monitoring capability of this component, as well as its low power consumption. It can also be used in industrial and automotive applications, providing power failure protection and reset signals for a variety of systems.

The MIC2777-26BM5-TR supervisor can also be used to improve the performance of existing systems. Its wide range of reset thresholds makes it perfect for use in battery monitoring systems, allowing for reliable auto-tuning of the battery\'s discharge curve. In addition, it can be used to help ensure the reliability and accuracy of motor control systems, or provide power failure protection for computers and other systems.

Working Principle of MIC2777-26BM5-TR Supervisor

The MIC2777-26BM5-TR supervisor utilizes a comparator-based circuit to power fail protection and reset signals. This includes two comparators which internally compares the input voltage against the reset thresholds. When the input voltage drops below the preset threshold, the output pin is driven low, triggering the reset signal. Similarly, when the voltage reaches above the preset threshold, the output pin is driven high and the reset signal stops.

The Auto-TrimmingTMtechnology of the MIC2777-26BM5-TR supervisor ensures that the reset thresholds remain within the desired range over time, even when the input voltage fluctuates. This feature helps to ensure that the output signal remains reliable and accurate, eliminating the need for manual adjustments or additional tuning.

Conclusion

The MIC2777-26BM5-TR supervisor from Microchip Technology is an excellent choice for a wide range of applications. It features a small form factor and a low power consumption for easy integration, as well as Auto-TrimmingTMtechnology for improved accuracy and reliability of output signals. With its wide range of reset thresholds and versatile operating voltage, the MIC2777-26BM5-TR is the perfect choice for home security systems, industrial and automotive applications, and other systems that require precise power supply monitoring and reset signals.

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