RT9819A-36GV

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RT9819A-36GV is a supervisor chip in the Power Management Integrated Circuit (PMIC) family that can be used to provide over-voltage protection, reset, and power-on reset functionality in an application. Its features make it well suited for applications such as notebook computers, hard disk drives, and battery packs.

Application Field of RT9819A-36GV

The main application of RT9819A-36GV is to provide over-voltage protection and reset functions in notebook computers, hard disk drives, battery packs and other applications. As it offers both programmable reset and over-voltage protection thresholds, RT9819A-36GV can be used to prevent damage to soldered components in all of these types of applications.

RT9819A-36GV also includes a built-in output driver, which can be used to drive other components in the system, such as LEDs. This makes it a good fit for systems that require an external output for over-voltage or reset protection.

Working Principle of RT9819A-36GV

RT9819A-36GV is designed to provide over-voltage protection and reset functions in a variety of applications. Its working principle is based on two different types of voltage monitors. The first is a continuously monitoring voltage monitor, which monitors the input voltage and triggers a reset when a high voltage is detected. The second is a pulse monitor, which monitors the input voltage for a low voltage and triggers a reset when that condition is detected.

The over-voltage protection function is enabled by the high voltage monitor. When an over-voltage condition is detected, the over-voltage protection circuit immediately triggers a reset and shuts down the system. The pulse monitor is responsible for detecting when the voltage drops below a certain threshold and triggering a reset if the low voltage condition persists.

RT9819A-36GV includes a number of additional features to enhance its functionality and make it more useful in a variety of applications. For example, it includes programmable reset thresholds, which allow the user to modify the reset behavior of the device, and also has built-in power-on reset functionality to ensure that the system remains powered up during a power outage or system failure.

Overall, RT9819A-36GV is a highly versatile supervisor chip that can be used to provide over-voltage protection, reset, and power-on reset functionality in a variety of applications. It is well suited for applications such as notebook computers, hard disk drives, and battery packs.

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