S-80929CNMC-G8ZT2Z

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Introduction
The S-80929CNMC-G8ZT2Z is a PMIC - Supervisors Series IC, a three-pin system Supervisors IC used to monitor an external supply voltage. It compares the external supply voltage with an internal reference voltage with fixed tolerances. When the external supply voltage delivers outside the designed tolerances of efficiency, the output signals an active high open drain/open collector. The Series also features a low voltage reset output (LVROM) that initiates a reset pulse when an external supply voltage drops below a predetermined threshold. The combination of these features makes these devices suitable for both system power-on reset and power supply supervisory functions.

Application Field
The S-80929CNMC-G8ZT2Z series is generally used in applications that require monitoring or supervision of a main power supply voltage. It is used for many applications such as computers and peripherals, communications systems, industrial automation and control. It can also be used in backup power supply applications to ensure that the power supply is current before releasing reset signals. Furthermore, these ICs are commonly used in backup systems that contain multiple power supplies and must be monitored continuously.

Working Principle
The working principle of the S-80929CNMC-G8ZT2Z series is based on the difference between its reference voltage and the voltage it is monitoring. When the monitored voltage is outside of the predetermined tolerance range, the output pin is activated and open-drain/open-collector outputs a reset pulse. The device also has a low voltage reset (LVROM) feature. When the input voltage drops below the user-defined threshold, the LVROM will generate a reset pulse. This allows the IC to always be in the alert state and ensures that the circuit is reset once the external supply voltage drops below the predetermined threshold.

The S-80929CNMC-G8ZT2Z series ICs are equipped with a thermal protection circuit which limits the IC’s temperature rise above certain threshold. This will ensure that the device will remain in an optimal condition when exposed to higher operating temperatures. The device also features an Electrostatic Discharge (ESD) protection to ensure that it will not be compromised by unintended ESD events. To ensure proper operation, the pins of the device should not be exposed to higher than four volts.

In addition, the S-80929CNMC-G8ZT2Z series can be operated in multiple operating modes. Standard mode is used for basic monitoring operations. The extended mode provides improved margin and accuracy for monitoring critical power supplies. Finally, the double threshold or “window” mode monitors two different voltage thresholds.

Conclusion
The S-80929CNMC-G8ZT2Z PMIC - Supervisors series from Semiconductor Corp is a three-pin system supervisors IC used to monitor an external supply voltage and initiate a reset pulse when the voltage drops below a predetermined threshold. It provides improved margin and accuracy for monitoring critical power supplies, features a thermal protection circuit and ESD protection, and can be operated in multiple operating modes. This IC makes it suitable for use in many different applications, such as computers and peripherals, communications systems, and industrial automation and control.

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