ADM691AARW-REEL

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The ADM691AARW-REEL is a component that falls into the broad category of PMIC-Supervisors. PMIC-Supervisors refers to power management integrated circuits that are used in system designs to ensure and monitor the safe operation of electrical and electronic circuits. In this article, we’ll take a look at the application fields of the ADM691AARW-REEL component and its working principle.

The ADM691AARW-REEL has a wide range of application fields, ranging from systems for telecommunications, industrial control, and computing, to automotive and consumer electronics. It is especially well-suited for use in battery-powered systems, as it is designed to help extend battery life, protect the system from overvoltage, and reduce the possibility of system failure. In 2012, the component was selected by Toshiba to integrate the Vcore power supply in their laptop designs, as it was able to provide superior protection and superior current accuracy.

The working principle of the ADM691AARW-REEL component is based on a positive voltage-monitoring circuit, which is used to monitor the voltage level in the system. This is done by comparing the voltage level in the system to two reference voltages - the VLM voltage, which is the lower of the two reference voltages, and the VH voltage, which is the higher of the two reference voltages. If the voltage in the system goes above the VH voltage, the component will activate its power-down logic, which will shut down the system in order to prevent potential damage from overvoltages.

The component also includes an adjustable power-down delay circuit that can be used to control the shutdown time of the system. This delay circuit allows the system to remain powered-on for a brief period of time after the overvoltage condition has been detected, giving the user a chance to save their work before the system is shut down. The power-down delay can be adjusted between 1ms and 2ms.

The ADM691AARW-REEL also features a cycle-by-cycle current limit circuit, which is designed to protect the system from excessive currents. This circuit limits the amount of current that can be drawn from the system at one time, which helps to prevent potential damage to components caused by excessive or unpredictable current spikes.

The ADM691AARW-REEL is also capable of detecting over-temperature conditions and activating an adjustable thermal shutdown circuit. This circuit can be used to shut down the system if the temperature within the system reaches a certain level. This helps to protect the system from potentially catastrophic damage that could be caused by high temperatures. The adjustable thermal shutdown circuit can be configured to shut down the system at temperatures from -55°C to +125°C.

Overall, the ADM691AARW-REEL is an extremely versatile component that can be used in a variety of applications. Its wide range of application fields, combined with its ability to monitor and protect against overvoltage and overcurrent conditions makes it an excellent choice for designers looking for a reliable power management integrated circuit.

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