MAX6412UK23+T

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PMIC - Supervisors

The MAX6412UK23+T is a low-power Supervisory Device that enables and monitors power-on reset (POR) and other system power-related requirements in a wide range of electronic products. This family of supervisors is particularly suitable for embedded system applications due to their reduced complexity and cost. The MAX6412UK23+T is designed for applications requiring a low standby current consumption, making it ideal for battery and portable applications. Additionally, it provides a configurable power-on reset pulse width, making it suitable for a variety of system and power-up times. Its wide voltage range and advanced safety features also make it ideal for use in various power domains.

Application Field

The MAX6412UK23+T is ideally suited for portable applications that require a low standby current consumption along with additional features like watch-dog timer (WDT) reset, system power reset, voltage detection, under-voltage monitor and configurable reset. This supervisor device is designed to provide critical safety features like thermal protection and fault detection, making it especially suited for applications in safety-critical systems. It is suitable for automotive, industrial, medical, consumer and office automation applications.

Working Principle

The MAX6412UK23+T is based on the precision voltage comparator topology. It is designed to monitor its inputs and activate a reset signal each time a voltage threshold is crossed. It includes a reset timeout circuit that can detect a sustained voltage crisis and trigger a reset pulse. The supervisor combines a programmable reset threshold with a timer that prevents a reset pulse if the voltage has not been below the threshold for a predetermined period of time. The time-out period is user programmable, making the MIN6412UK23+T suitable for a wide range of power-up and power-down times across multiple applications. A watchdog timer is also included which can be configured to activate an reset pulse when a sequence timer has expired, or a push button or input switch has been pressed.

The MAX6412UK23+T also incorporates a comprehensive set of safety features like overvoltage and undervoltage protection, ensuring the system power is reliable. This supervisor includes a power-on lockout circuit that will allow only a single power-on cycling event. Additionally, it provides a thermal protection circuit that can prevent overheat damage in any device.

The MAX6412UK23+T is a highly reliable and cost-effective supervisor for applications requiring a low standby current consumption. It is designed to provide extensive protection to the system.

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