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PMIC - Supervisors: S-80929CNNB-G8ZT2U Application Field and Working Principle

S-80929CNNB-G8ZT2U is a supervisor integrated chip from ON Semiconductor Corporation’s S-80929 series that is designed for use in a variety of electronic equipment. As a PMIC - supervisor, S-80929CNNB-G8ZT2U provides a reset and watchdog timer function. It allows the system to monitor its own status and recover from abnormal conditions in order to protect sensitive electronic components.

Application

S-80929CNNB-G8ZT2U PMIC - supervisors are mainly used in automatic systems, communication and control systems, embedded systems, security systems, and instrumentation systems. In most of these systems, the supervisor has to work reliably under a variety of working conditions and environment.

Working Principle

S-80929CNNB-G8ZT2U’s reset and watchdog timer functions are designed to detect system irregularities and recover from various errors that may occur during its operation. The chip’s reset function can detect a reset cause, such as an over-temperature or system bottom voltage, triggering of an external reset, power-on reset, watchdog overflow or error detection, or loss of voltage.

The supervisor also includes a watchdog timer function which is used to detect system irregularities. This involves periodically resetting a timer which has a pre-determined timeout period. If this period elapses and no reset is made by the system, then the supervisor triggers a reset or a warning signal. The timer reset only occurs when software or hardware resets the timer before the timeout period elapses. This allows the watchdog timer to function reliably and detect any system abnormality in a timely fashion.

Conclusion

S-80929CNNB-G8ZT2U is an advanced PMIC - supervisor integrated circuit designed for use in a variety of electronic equipment. The chip’s reset and watchdog timer functions allow the system to monitor its own status and recover from abnormal conditions in order to protect sensitive electronic components. Its reset function can detect various reset causes and its watchdog timer function can detect system irregularities by periodically resetting a timer before the timeout period elapses.

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