DS1831ES/T&R

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PMIC - Supervisors are a class of integrated circuit devices designed to monitor voltage, temperature and/or other electrical parameters for the purpose of controlling power systems in a variety of applications. The DS1831ES/T&R is a type of PMIC - Supervisor that is specifically designed to monitor, control, and protect a variety of power-management tasks and critical system functions. It is perfectly suited for low-cost and low-power systems, providing comprehensive power management and protection without compromising performance.

The DS1831ES/T&R is a precision, single-channel power supervisor IC that provides advanced protection and power-management functions. It includes a temperature sensor, voltage regulator, self-resetting brown out detector, reset output, power up and down sequencing, trip-point comparator, watchdog timer and built-in oscillator. It is capable of detecting voltage and temperature events, such as power supply brown out, over voltage, over temperature, and open FET events. The trip point for reverse current, an overly high reverse current, or an oversized surge current are also monitored. The device will compare the voltage and temperature to two trip points stored in its EEPROM memory.

The DS1831ES/T&R provides a wide operating temperature range from -40°C to +125°C. It has a programmable reset active level ranging from 1.5V to 3.6V, a programmable reset delay ranging from 10μs to 17.7ms, and a programmable watchdog time-out ranging from 17.7ms to 8.7s. The device has low quiescent current and low voltage threshold, and provides open-drain output for reset and reverse current. The IC has an additional feature that provides power up and power down sequencing functionality.

The DS1831ES/T&R is typically used to protect low-cost and low-power systems. It is also used in high-performance applications such as digital cameras, digital video recorders, LCD displays, renewable energy systems, telecom systems and industrial controls. The device is also used to protect against under-voltage, over-voltage, over-temperature, reverse-current and open-FET fault events.

The DS1831ES/T&R is a versatile device, with wide application potential. Its combination of voltage and temperature monitoring, power up/down sequencing, and reset/watchdog capabilities make it an ideal choice for a number of applications. Its wide temperature range, low quiescent current, low voltage threshold, and open-drain output make it a perfect fit for energy-efficient systems, ensuring reliable operation in harsh environment.

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