S-80830CNUA-B8PT2G

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The S-80830CNUA-B8PT2G is a precision integrated circuit supervisor from Seiko Epson designed for use in various electronic systems. It provides enhanced over-temperature protection and active low-voltage detection for improved system reliability and stability. The circuit is specifically designed for applications such as reference voltage and temperature sensors, system power-on detection, and analog-to-digital converter (ADC) systems. This integrated circuit can also be used in more advanced applications such as system load monitoring, control circuit reset, and precision reset control.

Features

• Extremely accurate over-temperature protection: accuracy up to ±1°C

• Built-in adjustable high-voltage and low-voltage detection: reduced external components

• Wide voltage range: 2.4V to 7V

• High-speed power-on reset: 1ms typical reset time

• High-speed power-off reset: 3ms typical reset time

• Wide temperature range: -40°C to +125°C

• Low power consumption: 2.1µA typical supply current

Application Field and Working Principle

The S-80830CNUA-B8PT2G is a precision integrated circuit supervisor device designed primarily for use in system power-on detection, temperature sensing, and active low voltage detection. It also finds uses in more advanced applications such as system load monitoring, control circuit reset, and precision reset control. The process begins with the input of a power supply voltage and a reference voltage. The power supply voltage is monitored and compared to the reference voltage value. Depending on the settings of the supervisor, a reset will be triggered if the power supply voltage is detected to be too high above the threshold or too low below the threshold.

The temperature sensing is based on a combination of temperature and resistive elements, with the resistive element connected in series with the temperature element. This combination gives the supervisor an accuracy of up to ±1°C. During operation, the temperature of the resistive element is monitored and compared to the reference voltage value. Depending on the settings of the supervisor, a reset will be triggered if the temperature is detected to be too high above the threshold or too low below the threshold.

The supervisor also includes a dedicated low-voltage detection circuit (LVD). The LVD circuit detects when the power supply voltage drops below a certain preset threshold and triggers a reset. This ensures that the system will not power up if the power supply voltage drops below the threshold, which helps to prevent system instability or damage.

Conclusion

The S-80830CNUA-B8PT2G is a precision integrated circuit supervisor from Seiko Epson designed for use in various electronic systems. It provides enhanced over-temperature protection and active low-voltage detection for improved system reliability and stability. The circuit is specifically designed for applications such as reference voltage and temperature sensors, system power-on detection, and analog-to-digital converter (ADC) systems. This integrated circuit can also be used in more advanced applications such as system load monitoring, control circuit reset, and precision reset control.

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