MAX6375UR26+T

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The MAX6375UR26+T is a precise reset device used in power management and system supervision applications. The MAX6375UR26+T is a low-voltage, low-power, voltage-detecting, precision system reset and supervisor IC with an active-low RESET signal that provides flexible system reset functions. The chip is part of the MAXIM Supervisors portfolio, a family of dedicated ICs designed to guarantee the orderliness of power supply sequencing in embedded applications.

The core of the MAX6375UR26+T is an open-drain, active-low RESET signal that allows it to digitally trigger a system shutdown or reset. It also provides a built-in voltage detector that monitors the power supply rails of electronic systems to detect potential malfunctions. It can also be used as an embedded reset signal to maintain the orderliness of system steps for MCUs and digital circuits in order to guarantee their safe operation.

The MAX6375UR26+T is composed of an array of reference power supply rails connected to a PAR (Power-On-Reset) circuit. A logic interface is added to control the PAR circuit, and when the reset signal is triggered, an internal voltage signal is generated that signals the system to perform a defined sequence of steps. The underlying logic decides how the system should behave when the input voltage falls below a certain threshold.

The chip supports a wide range of voltage inputs, with both active high and active low PAR circuits that are suitable for different electrical applications. This makes it an ideal choice for medium and low voltage applications with an internal voltage of 2.6-3.6 V and an enable voltage range of 0.2-2.2 V. It also supports the use of a watchdog timer (WDT) to detect erratic system behavior and auto-restart the system when necessary.

The chip is suitable for mixed-signal designs and systems with a high risk of malfunction. It utilizes a low-jitter (250 nsec maximum) oscillator at 1 MHz to precisely monitor power supply health and reduce the latency of reset signals from fault detection to system reset. This allows for a considerable reduction in the time taken for the system to detect a sudden power loss and restore itself.

The MAX6375UR26+T is robust and reliable, and its wide range of application fields and production-level integration make it an ideal choice for system supervisors in many embedded systems. It is suitable for battery-operated devices, system controllers, automobile electronics, industrial automation systems, and similar applications.

In summary, the MAX6375UR26+T is a low-power, voltage-detecting, precision system reset and supervisor IC with an active-low RESET signal that provides flexible system reset functions. It is suitable for extensive applications, from low to medium voltage levels and featuring a low-jitter oscillator for fast, reliable resetting. The chip is also extremely reliable, allowing for greater safety assurance in many embedded systems.

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