MAX6387XS42D2-T

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Power management integrated circuits (PMICs) are critical components for maximizing the battery life and reliability of modern portable and embedded systems. A PMIC is an integrated circuit (IC) that combines multiple low-level circuits and provides high-level system control. A supervisor is a type of PMIC that monitors the activity of other system components, such as a microcontroller, and provides an alert if it detects an error or malfunction. The MAX6387XS42D2-T is a low-power, low-noise, reset supervisor with an integrated EEPROM for enhanced system reliability. The MAX6387XS42D2-T is used in a wide range of applications such as medical, industrial and energy harvesting devices. It is designed to monitor the status of other components in the system and provide a reset signal when those components become inactive or experience an error. The device offers very low quiescent current consumption, making it well suited for low-power, battery powered applications. Additionally, it produces a low noise reset signal which ensures system accuracy and reliability.

The MAX6387XS42D2-T features two independent reset outputs that are used to reset devices such as microcontrollers, analog and digital ICs, FPGAs, ASICs, and data converters. It also includes an integrated EEPROM for storing configuration data such as device passwords, bootloader addresses, serial numbers and calibration data. The device offers an active-low push-pull reset output, an active-high push-pull reset output, an open-drain reset output, and an reset input for manual reset. Additionally, it includes a watchdog timer to detect system failures and reset the circuit.

The working principle of the MAX6387XS42D2-T is based on voltage monitoring, temperature monitoring and time monitoring. The reset outputs are activated when an overvoltage, undervoltage, over temperature or timeout condition is detected. The reset is initiated by either a manual reset input, an on-chip voltage monitor, an on-chip temperature monitor, an on-chip timer, or an external watchdog timer. The device can operate in both active and shutdown modes, allowing the system to remain in full control while still providing a reset signal before an error can occur.

The MAX6387XS42D2-T provides several features to enhance system reliability including adjustable reset thresholds, an integrated EEPROM and an on-chip voltage regulator. It also includes an internal watchdog timer which can be used to detect system faults and force a reset signal if a predetermined amount of time has passed without a reset. Additionally, the device provides a low dropout voltage regulator for powering other system components or for charging backup capacitors.

In summary, the MAX6387XS42D2-T is an extremely versatile low-power, low-noise reset supervisor designed for a wide range of applications such as medical, industrial and energy harvesting devices. It features two independent reset outputs, an integrated EEPROM and several features to enhance system reliability and accuracy. Additionally, it includes an internal watchdog timer, an on-chip voltage monitor and an on-chip temperature monitor. The device is designed to monitor the activity of other components in the system and provide a reset signal when an error is detected or a predetermined amount of time has passed without a reset.

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