MAX6394US455D3+T

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Supervisors are specialized devices found in numerous electronic devices ranging from small, hand-held devices to larger, more heavily managed apparatus. The MAX6394US455D3+T is an example of such a supervisor, providing precise, single-ended power supply monitoring and system reset.

Generally, supervisors exist to monitor power-supply voltage values, then reset or maintain a regulated state via an output signal. MAX6394US455D3+T is a supervisor ideal for many applications where precise power-supply monitoring and reset control is required.

The MAX6394US455D3+T, manufactured by Maxim Integrated, is a low-supply-current supervisor with watchdog and manual reset. It features a single-ended input voltage range, adjustable voltage threshold, and minimum-time-out period adjustment. It also features a push-pull output, active-high reset, and watchdog timer that can be disabled through a logic control pin. It is supplied in an 8-pin TDFN package and is ideal for a wide variety of 7.0-V to 3.6-V systems.

Function

When the power-supply voltage values fall below the threshold, the MAX6394US455D3+T asserts a reset signal. This reset signal can be used to reset the processor or other digital-circuit elements. The supervisor also includes delay parameters that allow for the proper settling of the power-supply value before the reset signal is activated.

Once the supervisor is configured and enabled, the manual or watchdog timer can be enabled. The watchdog timer is a counter that will expire and reset the system if the toggle input is not received within the specified time-out period. This is useful if a system fails to operate normally due to some external circumstance

Applications

The MAX6394US455D3+T is ideal for a wide range of applications. It is perfect for single-board computers, network appliances, instrumentation, and process controls where precise power-supply monitoring is desired. It is also useful for battery management systems, routers, and embedded controllers.

Since it requires only a few external components and has a wide input range, it eliminates the need for system engineers to spend time selecting and qualifying inappropriate solutions. Its features have resulted in its wide acceptance in countless electronics applications.

Conclusion

The MAX6394US455D3+T is an example of a highly functional POWER IC supervisor with only a few external components and a wide input voltage range. Thesupvervisor allows precise power-supply monitoring, resetting, and time-out period adjustment. It is ideal for 7.0-V to 3.6-V applications such as battery management systems, routers, and embedded controllers. This makes it a versatile and reliable supervisor for a variety of applications.

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