ADM708ARM

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Power Management Integrated Circuit (PMIC) are essential components in an electronic system, providing a single and compact solution for addressing all the power needs of the system. PMICs are used in a wide range of electronic devices such as cell phones, tablets and automotive systems. One of the key types of PMICs are supervisors, which are used to monitor and control the system’s power rails. A supervisor is an integrated circuit typically used for system protection, monitoring and control. They ensure that the power supply of a system meets specific requirements and, if conditions become undesirable, the supervisor will initiate corrective action.ADM708ARM is a low-power supervisor designed to monitor multiple power rails in battery-powered systems. It is capable of monitoring up to 16 power rails and can be used in conjunction with external regulators, DC-DC converters, battery chargers and other power components to provide a complete, integrated monitoring solution.The ADM708ARM is an integrated device that includes an analog front end, general-purpose logic, memory, and an I2C serial interface for communication with the device. It can detect voltage, current, or temperature events, and generate signals and/or alerts upon detecting a fault. The device also has a programmable timer, which can be used to initiate actions after a certain period of time.The ADM708ARM operates in normal mode, ensuring that the power rails meet certain criteria, and in fault mode where the device will initiate certain corrective actions. In normal mode, the ADM708ARM monitors up to six DC power supplies, up to four AC power supplies, and up to six temperature signals.The device continuously monitors the power rails, ensuring that they are within the normal operating parameters. If a power rail exceeds its upper or lower limit, the ADM708ARM will register a “low” or “high” fault and initiate corrective action. The device also monitors battery level and signals the host when the battery needs to be recharged.When a fault is detected, the device can take corrective action such as shutting down the device, activating additional power circuits and/or signaling the host for corrective action. It can also set flags or interrupt signals to the host for further action, such as a software reset or power cycle.The device can also perform intelligent power management, such as powering down and turning back on low-power peripherals, or managing voltage and current during a low-speed interface. This helps to reduce power consumption and enhance battery life in portable applications.In conclusion, the ADM708ARM is an ideal device for power-sensitive system designs. It is capable of monitoring multiple power rails and supply voltages, as well as providing intelligent power management features. It features a low operating current and can work in conjunction with other power components to provide a complete power monitoring solution.

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