ADM810RARTZ-REEL

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Power Management Integrated Circuit (PMIC) supervisors are widely used in the most complex systems and power management solutions to provide system stability and maintain system health. One of the most popular kinds of PMIC supervisors is the ADM810RARTZ-REEL.

The ADM810RARTZ-REEL is a 4-channel supervisor with a wide supply voltage range, suitable for use in a variety of applications including automotive, industrial, and telecom-space. It has four distinct channels of operation, which together provide efficient, comprehensive system management. The first and second channels are dedicated to resetting the system with an active-low reset output and can also monitor input supply voltages. The third and fourth channels handle the system’s output supply voltage level, acting as an auxiliary supply supervisor and providing system overvoltage protection.

Working Principle

The ADM810RARTZ-REEL uses a combination of programmable thresholds to monitor the system’s voltages and currents. This allows it to monitor any number of different signals such as processor, bus and memory voltages, as well as supply and temperature levels. Upon detecting any fluctuations in voltage or current outside of the programmed threshold range it takes corrective action by issuing a reset.

The reset threshold is programmed via a “trip” input, which is an analog input to the ADM810RARTZ-REEL. The reset threshold is determined by the voltage at the trip input, which can be set to either a minimum or maximum threshold depending on the requirement of the system. The reset duration is then set by programming the “hold-off” input, which can be used to delay the reset action for up to several seconds.

In addition to its most basic functions, the ADM810RARTZ-REEL also features a variety of features and functions to enhance its performance. These include an open-drain output that can be used to provide an audible warning when the reset condition is triggered as well as an adjustable discharge current limit, adjustable reference current limit and thermal shutdown capability. These features help to ensure the highest level of system protection and reliability.

Conclusion

The ADM810RARTZ-REEL is a versatile and powerful PMIC supervisor with a wide range of applications. It can be used to provide system stability and system health monitoring for automotive, industrial, telecom and space applications. Its wide variety of features such as adjustable output thresholds, adjustable hold-off periods and thermal shutdown capability, make it an ideal solution for designers looking to achieve the highest levels of system reliability.

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