AZ810NRTR-G1

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The AZ810NRTR-G1 is a 3V/5V precision reset supervisor featuring a fixed or adjustable reset thresholds. This chip is widely used in various consumer applications such as industrial, consumer, and automotive products, making it a great choice in terms of reliability and cost. In this article, we will discuss the application field and working principle of the AZ810NRTR-G1.

Application Field

The AZ810NRTR-G1 is a popular chip for precision reset supervisors. It typically is used in a variety of consumer applications, including industrial, consumer, and automotive products. It is a cost-effective solution for providing precision reset functions at or near the system power supply reference, minimizing the risk of lock on and improving system reliability. In addition, its wide operating supply voltage range and small footprint make it ideal for power management, battery protection, signal conditioning, and safety related applications.

Due to its high precision, this chip is also suitable for microprocessor-based systems that require precise reset latency and accuracy. Additionally, its high drive capability makes the chip suitable for resetting multiple or larger load devices. This chip also features full protection against input transient and overvoltage conditions, making it a secure and reliable option.

Working Principle

The AZ810NRTR-G1 functions as a reset supervisor, which is triggered by an input voltage level match at a fixed or adjustable point. When the input voltage falls below the preset threshold, the reset signal is generated and latched until the input voltage returns to normal. Another common feature of this chip is its watchdog timer, which is used to monitor system activity and reset the system if it does not operate normally.

The AZ810NRTR-G1 has two output types: the traditional open-drain and the push-pull type. For open-drain, the chip can drive low level output and ground the output when high level voltage is suitable. For push-pull type, the chip can generate an output voltage of 3V or 5V when high or low level input is suitable. The output type is depending on the user\'s application or preference.

The AZ810NRTR-G1 also enables the user to easily adjust the reset threshold with the two precision resistors incorporated in the chip. The two independent comparisons can be used to provide an accurate reset level, which will enable the reset to trip at different supply levels. This chip also features under-voltage lockout, which prevents the chip from operating in low-voltage conditions, such as just after power-up or after power failure.

Conclusion

The AZ810NRTR-G1 is a precision reset supervisor that is widely used in a variety of consumer applications. It features an adjustable reset threshold and a watchdog timer, as well as under-voltage lockout for increased reliability. Additionally, its open-drain and push-pull outputs provide flexible operation. All of these features make it an ideal choice for a variety of power management, battery protection, signal conditioning, and safety related applications.

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