ADM809TAKS-REEL

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PMIC supervisors are complex integrated circuits designed to control microcontrollers or digital processors. These devices are used to oversee, monitor, and activate changes or actions as programmed or desired in a specific application area. ADM809TASK-REEL is one such integrated circuit with a closed-loop monitoring and protection approach that allows it to be used in safety-critical applications.

ADM809TASK-REEL is a 1.5V supply voltage supervisors with ultra-low (60 nA) active power-down current and low-power operations. It offers protection from transient events on its input and output, and hysteresis to prevent false triggering in the presence of external noise. This device has a watchdog and a manual reset input with time out periods programmable. It can be reset by a combination of timeout conditions, power-on reset, or a manual operation.

ADM809TASK-REEL is suited for use in DC/DC converters, Peripheral Interface Controllers (PICs), digital signal processors, and micro controllers. It is suitable for the power brush and zero power applications. The application areas include industrial control, medical devices, automotive, distributed power and lighting.

The working principle of ADM809TASK-REEL is based on the asynchronous communication protocol which allows it to monitor the signals on its input and output. It monitors the pin input voltage and will send out a reset signal when it is detected to be below the pre-defined threshold voltage. The reset is then triggered to protect the system from going into a fault state.The reset time is adjustable, depending on the application requirements and is set by a programmable RC oscillator.

The ADM809TASK-REEL device has multiple output options for different resetting tasks. It gives an active low reset output as well as an active high output for manual resetting. The device also gives a timeout reset output and a watchdog reset output which can be used to activate on-chip backup memories. The device is able to hold the reset signal for several milliseconds, allowing the reset to be cleared off at the end of the reset duration.

ADM809TASK-REEL is particularly suited for use in safety-critical applications where it offers reliable safety features and inherent noise immunity. Its ultra-low active power-down current feature and adjustable timeout periods make it an ideal device for applications requiring comprehensive monitoring and protection. Its reliable performance and low power makes it highly suitable for devices that need to be always in control.

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