MAX16081XR28Q+T

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PMIC (Power Management Integrated Circuit) – Supervisors are dedicated physical integrated circuits (ICs) which guarantee the correct functioning of embedded applications, by monitoring the voltage and temperature of the system. An extensive range of supervisors with numerous customized features, offering the highest levels of electrical and thermal performance, are available. The MAX16081XR28Q+T is one such example of a PMIC - Supervisors.

The MAX16081XR28Q+T belongs to the MAX16081 ultra-low power supervisor family of products. It provides reliable protection for voltage and temperature sensing, protection, and system status monitoring for embedded systems. It can monitor a single supply rail up to 28 V, providing a glitch-free power-on reset (POR) signal to optimize system start up. It contains a voltage supervisor, temperature supervisor, on/off controller, push-button controller with watch-dog timer, and dual reset outputs. It supports both push-button power-on and power-off control.

The MAX16081XR28Q+T’s application field is mainly in high temperature and high voltage applications such as in automotive (e.g. engine control unit), medical, industrial, and HVAC applications. It is also compatible with a wide input voltage range such as +3.3V to +28V and adjustable delay time up to 90 seconds.

The working principle of the MAX16081XR28Q+T is based on monitoring the input voltage and temperature in order to guarantee the correct functioning of the embedded applications. It contains voltage supervisor and temperature supervisor, which do an in-depth analysis of the system operating parameters. This analysis functions in order to prevent the system from going out of bounds, such as when the voltage or temperature exceed the predetermined threshold. When the voltage and temperature exceed the thresholds, the reset outputs are activated, which then either turn off or restart the system.

The MAX16081XR28Q+T Supervisor also contains a push-button controller and Watchdog Timer. The push-button controller is designed to monitor the state of an external push-button switch, and provide additional control signals such as Power On, Power Off and Software Reset. The Watchdog timer will reset the system upon timeout which can be programmed using a separate digital logic line. Moreover, the MAX16081XR28Q+T also provide tracking inputs as well as selectable power-on/off delay time to ensure the safe operation of the system.

In summary, the MAX16081XR28Q+T is a versatile Supervisors which provides outstanding protection and performance for a variety of high temperature and high voltage applications. It guarantees the correct functioning of embedded systems, by continuously monitoring the operating parameters of the systems and providing a reset signal if the parameters are beyond a predetermined threshold. The safety is further increased via features such as push-button controller and Watchdog timer.

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