ADM696AR

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Power Management IC (PMIC) refers to integrated circuit (IC) which can provide a complete power management solution for electronic products. PMICs often come with multiple control outputs, power tracking logic, and system monitoring, which can improve the efficiency, accuracy, reliability, and communication interface of the system. ADM696AR is a PMIC supervisor that provides voltage monitoring, reset, and supply sequencing functions for integrated circuits.

The ADM696AR is designed to be used as system protection circuits for various applications, such as microprocessors, DSPs, ASICs, FPGAs, PC and network servers, and mobile communications, to keep them from transient or out-of-specs power conditions. It provides up to four voltage threshold detectors and one watchdog timer, which can be used to monitor any combination of power supplies and ground levels in the system. It also provides an adjustable reset output signal, which will assert if any of the monitored voltage signals are out of the warning/fault thresholds, that allows the reset signal to take over the system logic.

In addition to reset signal, ADM696AR also provides two other control signals: signal-good signal and power-good signal. The signal-good signal indicates when all of the monitored voltage signals are within normal operation levels, while the power-good signal indicates when all the supplies are regulated and within normal operation limits. Both signals can be used to facilitate the process of power sequencing and reset supervision in the system, or as part of supply monitoring and power supply failure detection.

The working principle of ADM696AR is based on analog-to-digital conversion (ADC). The input voltage signals are applied to the ADM696AR, and the ADC is used to compare the signals against the two detection thresholds. In addition, the watchdog timer is used to provide reset signal as well. If any of the monitored signals exceed the specifiedwarning/fault thresholds, the corresponding reset output will be asserted by ADM696AR.

Furthermore, ADM696AR also features a second input channel with flexible programmability and a programmable power supply sequencing capability. The flexible programmability allows any voltage or ground to be monitored by ADM696AR. The power-supply sequencing capability allows for the orderly power-down of multiple power supply signals and the issuance of a reset signal when the supply sequence has completed, thus ensuring a proper power-down process for the system.

In summary, ADM696AR is a feature-rich PMIC supervisor which is designed to be used in applications needing voltage monitoring, reset, supply sequencing, and supply monitoring. It offers a quick response time, a high degree of accuracy, and a high degree of integration, which makes it suitable for use in a variety of applications. With the flexibility and programmability of its inputs and outputs, it can be easily customized to meet the needs of any system. It can help engineers to achieve a reliable power management solution with maximum efficiency, accuracy, and reliability. Therefore, ADM696AR is ideal for use in a variety of applications.

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