ADM1184ARMZ

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The ADM1184ARMZ is a supervisor integrated circuit (IC) specifically designed for power management in systems that have multiple power supplies. The ADM1184ARMZ is a member of the Analog Devices, Inc. (ADI) Family of power-management devices, and is made to ensure the safe and accurate operation of various cognitive systems. This IC provides an efficient solution for small or large systems, employing power management and monitoring functions to help your system run smoother and more reliably.

The ADM1184ARMZ provides four basic features. The first is a reset signal generator, used for resetting the system following a voltage drop or other event. This reset signal is generated in response to voltage variations observed on the REF and FB pins. It can also provide an adjustable built-in resistor divider on the REF pin, which is isolated from the system node by an isolation diode. This allows it to partition voltage across different system nodes.

The second function of the ADM1184ARMZ is its monitoring capability. This IC monitors voltage levels on the VCC, VCCS, and VDD pins, and can help detect power supply anomalies-such as under-voltage, over-voltage, or brownout conditions. This lets it take action before the system fails, allowing for a safe shutdown of the system.

The third feature of the ADM1184ARMZ is its clock monitoring. It uses an on-chip timer to monitor the clock frequency of pre-defined devices, comparing the frequency with a prestored value. It will then generate an interrupt signal if the frequency deviates from the expected range, thus alerting the system to a potential problem.

The fourth and final feature of the ADM1184ARMZ is its programmable por (PP) feature. This allows the user to define a small set of system parameters in order to ensure the safe operation of their system. It also aids in system debugging, since the PP feature can be analyzed to discover the root cause of system faults.

As a PMIC-Supervisors, the ADM1184ARMZ is ideally suited for embedded system designs, such as DSPs, ASICs, FPGAs, and microcontrollers. Such designs require multiple power supplies, and the ADM1184ARMZ offers the benefits of moderate power consumption and high accuracy. It also provides safety measures in the form of voltage and clock monitoring, as well as adjustable reset signals to maintain system integrity.

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