AZ7031ZTR-G1

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Product Name AZ7031ZTR-G1 belongs to PMIC - Supervisors. It is a single chip system reset and power-on reset circuit designed to monitor the power supply and system status to maintain system stability. It integrates various functional circuits such as voltage detection, voltage comparison, circuit counting, delay circuit, reset circuit, clock oscillator, reset signal fan-out and so on.

The application fields of AZ7031ZTR-G1 are computers, servers, communications, consumer electronics, embedded systems and other applications. It can reduce system cost, save product space and improve system reliability.

The main working principle of AZ7031ZTR-G1 is to generate a reset signal when the external supply voltage is lower than the preset threshold, it can also extend the reset timeout period at the system power-on state. The device monitors the supply voltage through the internal voltage detection and comparison circuit, and compares it with its preset three threshold values. When the detected voltage is lower than the set threshold, AZ7031ZTR-G1 will output reset signal. The reset timeout period can be extended by setting two PWRON registers with two internal reference clock source or two external reference clock source.

AZ7031ZTR-G1 supports automatic voltage detection function. It not only provides three independent adjustable voltage detection threshold registers, but also provides voltage range detect function which can detect VDDX in 0.8V-5.5V range. The second adaptive voltage detection network is built-in to detect the voltage range of VDDX in 0.8V-3.2V while VDDX is below 4.35V.

The reset circuit of AZ7031ZTR-G1 can generate positive pulse type or pulse-like type reset signal. Its reset time-out period can be set in 1ms-5s range by setting PWRON register and comparing it with internal reference clock source. AZ7031ZTR-G1 also provides sleep Reset function which can quickly detect the system voltage during sleeping and immediately output reset signal when the voltage falls below the set threshold voltage.

With the internal oscillator, AZ7031ZTR-G1 can provide clock frequency from 1 kHz to 16 MHz. In addition, it provides up to four fan-out reset signals to fan-out reset signals to different systems. The reset output has a maximum sink power of 5mA which can drive a variety of system reset component.

In summary, AZ7031ZTR-G1 is a single chip system reset and power-on reset circuit that provides a variety of functions such as monitoring power supply and system status, generating reset signal, extending the timeout period, voltage detection, voltage comparison, circuit counting, delay circuit, reset circuit, clock oscillator, reset signal fan-out and so on. It can be widely used in computers, servers, communications, consumer electronics, embedded systems and other applications to reduce system cost, save product space and improve system reliability.

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