MIC2772-T3T3YML-TR

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Power management integrated circuits (PMIC) are a set of integrated circuits used in many electronics products to control the power supplied to a wide range of devices. PMICs typically comprise several sub circuits such as voltage regulators, voltage references, voltage dividers and current monitoring circuits, among others. The MIC2772-T3T3YML-TR is a supervisor PMIC device that is specifically designed to improve system reliability and reduce the risk of system shutdowns or excessive loads.

This PMIC, which can be operated from -40°C to +125°C, provides a wide range of features to help protect and manage power systems. At its core, the MIC2772-T3T3YML-TR monitors input voltages and provides on/off control for up to four system loads. Furthermore, the device can interact with other components in the system easily via a GPIO interface, enabling the user to control additional system parameters. Other features of the device include adjustable power-on reset thresholds, adjustable power-good and reset time delays, open load detection, output regulation, reverse current protection, and over current protection.

The most common application of the MIC2772-T3T3YML-TR is in industrial and automotive applications. The device can be used to monitor power line voltages, detect open loads, and control power-on reset generating and holding functions. In automotive applications, the device is used to monitor the power rail voltages and provide a reliable overcurrent protection solution. The device can also be used in battery management systems to reduce the risk of overcharging and undercharging by monitoring battery voltage and current levels.

The working principle of the MIC2772-T3T3YML-TR is simple yet effective. The device has four inputs, VIN1 through VIN4, which can accept supply voltages from 3.5V up to 30V. The device also has four outputs, ON1 through ON4, to enable and disable up to four system loads. Each output can be configured to operate on either the high or the low side, depending on the application requirements. Furthermore, each output can support up to 10A of current, depending on the temperature.

The MIC2772-T3T3YML-TR also features an integrated watch dog timer that can be used to reset the system in the event of a system crash. The device can be configured to send reset pulses to the system as often as once every millisecond, or once every second. Furthermore, the device allows the user to configure the reset pulse width and the reset unlock timeouts, allowing flexibility when designing the system.

In summary, the MIC2772-T3T3YML-TR is a supervisor PMIC device designed to improve system reliability and reduce the risk of system shutdowns or excessive loads. The device can be used in a wide range of applications including industrial, automotive, and battery management systems. The device features four inputs and four outputs, with adjustable power-on reset thresholds, adjustable power-good and reset time delays, open load detection, output regulation, reverse current protection and over current protection. Furthermore, the device also has an integrated watch dog timer to reset the system in case of system crashes.

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