AS1916S-T

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PMIC (Power Management Integrated Circuit) supervisors are used to monitor voltages and temperatures in order to protect connected systems from damage. They are integrated circuits containing microcontroller-style logic, non-volatile memory, and electrically erasable programmable read-only memory (EEPROM). PMIC supervisors are used in a variety of applications, including battery management, overvoltage protection, and thermal management. The AS1916S-T is a type of supervisor designed for automotive applications. It is capable of monitoring up to three sensor signals.

Working Principle: The AS1916S-T uses a pair of comparators and a set of reference voltages to detect overvoltage and undervoltage conditions. The power supply voltage is monitored through the RAO pin, and the ground is monitored through the PGO pin. The reference voltages are programmable between 0V and 5V. The reference voltages are compared to the input voltage on the pins, and if the voltage is higher or lower than one of the thresholds, the comparator will trip and the supervisor will issue a warning or initiate an emergency shutdown.

Application Field: The AS1916S-T is used in automotive applications to protect against overvoltage, undervoltage, and thermal conditions. It can monitor voltage and temperature, as well as detect open/short circuit conditions. It can also be used to set upper and lower trip points, detect temperature level changes, and detect electrolytic capacitors degradation. This supervisor is also capable of providing system protection, such as setting limits on voltage, temperature, and capacitance.

The AS1916S-T is particularly well suited for use in automotive environments due to its extended temperature range and high immunity to EMI. It is designed to protect battery, electrical, and electronic systems from damage due to overvoltage, undervoltage, and thermal conditions. The AS1916S-T is an ideal solution for automotive applications that require protection from voltage spikes, overvoltage, undervoltage, and thermal conditions.

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