ADM6320CZ27ARJZ-R7

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PMIC (Power Management Integrated Circuit) is a type of integrated circurit that is capable of managing the power systems on a circuit board. Supervisors are specialized PMICs which monitor power signals and provide additional features like reset generation, watchdog functions and power-on reset. One such PMIC is the ADM6320CZ27ARJZ-R7 which is mainly intended for consumer and computing applications.

The ADM6320CZ27ARJZ-R7 is an adjustable voltage supervisor containing an integrated powr-on reset voltage detector and digital output logic. It operates with a power on reset threshold range of 1.07V-5.5V, a supply voltage range of 2.5V-5.5V and an adjustable voltage source range of 2.5V-5.5V. The output of the supervisor provides an open-drain reset output, an active high and an active low output, and a sequential reset output.

The main application areas of the ADM6320CZ27ARJZ-R7 are in consumer, computing, and embedded systems that require monitoring of power signals and reset generation. These include systems like smartphones, tablets, notebook computers and embedded system applications.

The working principle of the ADM6320CZ27ARJZ-R7 is fairly simple. The circuit consists of an adjustable voltage source and an integrated voltage detector. Two versions of the circuit are available, one with an internal 1.027 V threshold and one with an adjustable threshold. When the voltage at the input of the supervisor reaches the threshold, the voltage detector signals the digital logic to generate reset logic. The digital logic then drives the reset logic to generate a reset signal to the system.

The reset logic of the ADM6320CZ27ARJZ-R7 is quite sophisticated. It features an advanced three-level reset system with low, medium and high priority. This ensures that even if there is a system malfunction and a single reset fails to reset the system, a higher priority reset is triggered to reset the system. Additionally, a Watchdog and Auto-Reset functions are also implemented to guarantee that reset signals are triggered when needed.

The ADM6320CZ27ARJZ-R7 is an extremely versatile and reliable reset controller. With its adjustable threshold and sophisticated reset logic, it is an ideal solution for applications requireing monitoring, resetting and high reliability. Since it comes in small packages, it is also ideal for space-constrained applications.

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