S-80838CNPF-B8XTFU

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Power management integrated circuit (PMIC) supervisors, such as the S-80838CNPF-B8XTFU, are an essential component of many embedded systems. The device provides supervisor functions to ensure system stability and reliability. It provides protection against any fault conditions, such as overvoltage, overcurrent, and thermal shutdown. In addition, it can provide system status monitoring, prevent accidental component damage, and even detect reverse polarity connections.

The S-80838CNPF-B8XTFU supervisor is a low-power Smart Reset Supervisor with output voltage accuracy and a wide input voltage range (1.62V – 5.5V). It also offers one-wire serial port control, allowing for easy communication with microcontrollers and other electronic devices. This feature allows for a wide range of adjustable settings to optimize parameters such as reset delay, reset width, and interrupt mask counters. With its onboard volatile memory, the supervisor stores settings and maintains timekeeping with the on-chip low-power oscillator.

This versatile supervisor is suitable for a variety of applications, such as automotive, medical, and industrial electronics. It can be used to monitor system voltage and can be set to issue a reset pulse when the voltage drops or exceeds a predetermined threshold. This reset pulse can protect against damage to other components, such as microprocessors, memory, and other circuitry. The device also supports time delays, allowing the microcontroller to finish a critical task before issuing the reset pulse. This could be important for protecting data stored in RAM in some embedded system applications.

The device also offers a robust set of features including active-high and active-low output, overvoltage detection, adjustable reset outputs, which can be adjusted from 0.6V up to the full VCC range, and an adjustable delay time from 0.5ms up to 60ms. It also offers an automatic reset input filter to protect against false triggering due to rapid voltage spikes.

The S-80838CNPF-B8XTFU supervisor is designed with a wide range of features and applications in mind. It is programmed to provide reliable output, supply overvoltage protection, and protect against circuit runaway or thermal shutdown, ensuring that the system runs safely and efficiently with minimal risk of damage.

With its wide operating temperature range (-40°C to 125°C), it can be used in a variety of environments and is suitable for medical, automotive, and industrial applications. The device has a low quiescent current (typically 0.7μA @ 5.0V), making it a viable choice for long-term operation. The device also offers a delay time of up to 2 seconds, providing a long period between reset events.

The device is typically used to track power supplies and guard against overvoltage and overcurrent, along with thermal overload. In addition, the supervisor can protect against voltage dropouts and guard against illegal battery usage. The device also offers adjustable reset outputs and other features, such as watchdog timer and push-button reset for manual resets. In summary, the S-80838CNPF-B8XTFU supervisor offers a versatile and reliable solution for power management.

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