MAX6767TALD0+T

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The MAX6767TALD0+T is a high-precision system supervisor controller by Maxim Integrated, built to protect the system from over-voltage or out-of-tolerance events. This controller is perfect for avionics, automotive, industrial and many other applications. The MAX6767TALD0+T is a low-power solution that operates in the -40°C to +125°C industrial temperature range.

Its key features include wide-operating supply voltage (1.6V to 5.5V), integrated power-on reset (POR) and watchdog timer (WDT). The MAX6767TALD0+T provides monitoring of one supply voltage and up to three independent external thresholds. It has an adjustable (1.8V to 4.5V) POR, WDT timer, as well as four programmable open-drain outputs and one programmable active-high output.

When used as part of a host system, the MAX6767TALD0+T provides several features. These features include a reset delay timer, a fault-command input, an external watchdog timer, and a push-button reset. All of these features help the MAX6767TALD0+T protect against sudden and unforeseen conditions, reducing the chances of system faults.

The application field of the MAX6767TALD0+T is extremely wide. Examples range from avionics, automotive and industrial electronics to consumer electronic devices such as tablets, phones and USB controllers. All these applications have in common the need to protect their components from sudden spikes of current, while still providing a reliable, seamless operation.

As for the MAX6767TALD0+T\'s working principles, the core of its functionality relies on two main parts: a voltage supervisor and a watchdog timer. The voltage supervisor for the MAX6767TALD0+T monitors the input voltage against specified environmental conditions, like temperature and power supply fluctuation. If the input voltage drops too low or the environmental conditions trigger the WDT to reset, the designated voltage is then asserted, providing the system with the necessary protection from faults or out-of-tolerance conditions.

Additionally, the watchdog timer provides its own set of features. It continuously monitors the system\'s activity, resetting the MAX6767TALD0+T if a program loop is unexpectedly interrupted. It has an adjustable timeout period and an enable signal, giving the user full control over the reset event. Upon being triggered, the MAX6767TALD0+T activates its four open-drain outputs and one active-high output, in order to reset the system or perform any other necessary actions.

When the system is running normally, the MAX6767TALD0+T can be configured to power down the host system when not in use. It also provides a debounced push-button reset to achieve a pain-free emergency reset, minimizing the chances of failure.

In summary, MAX6767TALD0+T is a highly effective system supervisor controller from Maxim, providing industry-leading safety from over-voltage, out-of-tolerance conditions and sudden power supply fluctuations. Its wide application field and smart design make it the ideal solution for many industrial and consumer applications.

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