MAX6375UR29+T

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Power management integrated circuits (PMIC) are specialized integrated circuits used to manage power in a device or system. PMICs provide solutions that help to fulfill the mobile industry\'s needs with new system power solutions, enhanced efficiency, improved accuracy, and optimized layout that allow for the integration of multiple power components into a single package. PMICs can be found in the majority of modern electronics, powering all of the modern conveniences in our lives, such as smartphones, laptops, home entertainment systems, and more. PMICs are often divided into several subcategories, including voltage regulators, lighting controllers, power switches, power distribution, and supervisors.

Among these different components, voltage supervisors like the MAX6375UR29+T are a specialized form of circuit protection. Supervisors are responsible for monitoring power circuitry, detecting when a voltage limit has been exceeded and then protecting against overvoltage or overtemperature conditions. The MAX6375UR29+T is a 4-channel low-voltage supervisor IC that is designed to provide system-level voltage monitoring with enhanced accuracy and reliability. In this article, we\'ll take a look at its application field and working principle.

Application Field

The MAX6375UR29+T is designed for applications that require reliable system-level voltage monitoring such as those found in telecom and networking equipment, embedded systems, and automotive applications. It provides overvoltage protection for any combination of three separate system power rails, with an additional guard rail channel for monitoring undervoltage or system reset. An integrated one-shot circuit minimizes glitches, while active-low RESET/NMI/RBI outputs maintain low power consumption.

The MAX6375UR29+T\'s wide operating voltage range and temperature range make it suitable for a variety of demanding conditions. Its low power consumption, wide operating voltage range and low shutdown current make it an ideal choice for applications that need to monitor multiple power inputs or system reset.

Working Principle

The MAX6375UR29+T is designed to monitor multiple system power rails and protect against overvoltage and over temperature conditions. The MAX6375UR29+T includes four voltage monitoring inputs, each of which is capable of monitoring up to two different voltage rails depending on the input configuration: two inputs are configured to monitor two single rails; two inputs are configured to monitor one dual-rail. Each input is adjustable to monitor either Undervoltage (UV) or Overvoltage (OV).

If an input voltage exceeds its programmed limit, the MAX6375UR29+T will generate an active-low RESET/NMI/RBI signal, which will in turn activate the microprocessor to reset the system. It also provides a slow response time that reduces the risk of system glitches from false alarms. The MAX6375UR29+T also includes an internal thermal protection circuit that can be used for monitoring the device temperature, to ensure maximum reliability and system performance.

The MAX6375UR29+T is a reliable and accurate voltage monitoring solution for a variety of demanding applications. It is designed to provide system-level voltage monitoring with enhanced accuracy and reliability, and its wide operating temperature range makes it suitable for use in a variety of applications.

Its four voltage monitoring inputs, adjustable voltage limits, active-low reset/NMI/RBI outputs and integrated one-shot circuit make the MAX6375UR29+T an ideal choice for applications that need to monitor and protect multiple power rails or system reset signals.

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