MAX6388XS19D2-T

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Power management integrated circuit (PMIC) is a type of IC that integrates components and subsystems used to manage power effectively. PMICs are some of the most essential components in electronics because they provide power to other components and maintain the power distribution throughout the entire system. PMICs can be used in any type of system, ranging from low-voltage mobile devices to high-end servers. PMICs are divided into different categories, such as voltage regulators, power converters, power supervisors, energy delivery, and more.

One type of PMIC is a power supervisor, which is responsible for monitoring power supply voltage levels and resetting the power on/off depending on the voltage level. MAX6388XS19D2-T is a power supervisor IC from Maxim Integrated. It has a number of key features that make it suitable for a variety of applications, such as overvoltage protection, undervoltage detection, power-on reset and power-down reset, and more.

Application Field

MAX6388XS19D2-T has a wide range of applications, mainly because of its excellent protection characteristics. The IC is designed for use in a broad range of 3.3V and 5V applications, including low noise and low voltage applications. The IC can also be used in ultra-low power applications, such as battery-operated devices, since it can operate with a supply voltage as low as 1.8V. It is also suitable for applications that require high transient pulse power. MAX6388XS19D2-T is also well-suited for extreme-temperature and harsh-environment applications.

The IC is mainly suitable for applications that require overvoltage protection and power-on reset. It can be used in computers, security systems, storage and communications systems, motor control systems, HVAC systems, and industrial applications, to name a few. It is also suitable for battery-operated applications, such as wearable devices, medical device implants, and smart home systems.

Working Principle

The MAX6388XS19D2-T is designed to provide robust overvoltage protection, undervoltage protection, and power-on reset (POR) functionality. It uses an internal comparator and is designed to monitor the power supply voltage, detect aberrations, and reset the system. It has a few operating modes: a normal operating mode, a low-voltage operating mode, and an external reset mode.

In normal operating mode, the IC monitors the VCC voltage, and if it exceeds the overvoltage specification, the comparator will reset the system. The external reset mode is triggered by an external signal, such as a manual push-button, a current loop, or a machine motion sensor. This mode can be used to reset the system to a predefined state.

In low voltage operation, the IC monitors the VCC voltage and, if it falls below the undervoltage level, the comparator will reset the system. This mode is suitable for applications that require low power operation, such as battery-operated devices.

The MAX6388XS19D2-T is designed to provide efficient overvoltage and undervoltage protection, as well as power-on reset functionality. It is well-suited for applications in computers, security systems, storage and communications systems, motor control systems, HVAC systems, battery- operated devices, and industrial applications.

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