S-80930CNMC-G80T2G

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As the demand for digital and electronic devices increases, analog and digital-controlled power devices continue to develop. Compared with traditional linear regulators, digital-controlled power devices have a wide voltage and current range and can operate in a rich feature set. The S-80930CNMC-G80T2G is an example of a supervisory device, a type of power management integrated circuit (PMIC). This article provides an overview of its application field and working principle.

Application field

The S-80930CNMC-G80T2G is one of a range of Supervisory ICs from ROHM Semiconductor and is used to provide power-on reset, brownout reset, low voltage detection and advanced wakeup functions for microcontrollers and other digital systems. It is suitable for use in battery-powered and other devices requiring a low-power-saving mode.

As the S-80930CNMC-G80T2G is programmable to shutdown the system in response to voltage drops or other errors, it can be used in medical, automotive, networking and other applications requiring reliable performance.

Working principle

The S-80930CNMC-G80T2G consists of a voltage detector and a reset circuit. The voltage detector senses the input voltage level and generates a reset signal when it drops below its threshold. The reset signal is sent to a reset output pin or pins, depending on the configuration of the device. This reset signal resets the system so that it may recover from any system errors that have occurred.

The S-80930CNMC-G80T2G also includes a power-on reset circuit that maintains a reset signal to the system until the VCC voltage has been stable for a certain period of time. This ensures that any initial errors that occur after power-up are reset and that the system can safely enter operation. This is critical in applications such as automotive control systems, where errors can have serious safety implications.

The S-80930CNMC-G80T2G also features a wakeup monitor circuit which allows the system to enter a low power-saving mode when the input voltage is stable, and wake up again when the voltage drops below a certain threshold. This can provide significant power savings in battery-powered applications.

Finally, the S-80930CNMC-G80T2G has programmable delay time and adjustable thresholds, allowing it to be tailored to the specific needs of the application. This allows it to be used in a wide range of environments.

In summary, the S-80930CNMC-G80T2G is a Supervisory IC suitable for use in battery-powered and other digital systems where reliable performance is essential. It offers power-on reset, brownout reset, low voltage detection and advanced wakeup functions and is configurable to suit the needs of the application.

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