MAX6376XR31-T

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Power Management Integrated Circuits (PMICs) are integral to the design of most electronic systems today. These highly integrated chips provide the ability to manage multiple power supply rails for optimal efficiency and reliable operation. A PMIC’s primary function is to ensure that the system is performing within the set voltage and current parameters. Supervisors, or voltage monitoring ICs, are a specialized type of PMICs used to monitor and control voltage levels throughout the system. The MAX6376XR31-T is a one such IC, designed to protect systems against power supply over-voltages, under-voltages, and brown-outs. This article will discuss the application field, typical operating conditions, and working principle of the MAX6376XR31-T voltage supervisor.

The MAX6376XR31-T is a voltage supervisor IC with a wide operating range of 3.0V to 6.0V. This allows it to be used within a variety of different power management architectures. It is commonly used in industrial and medical systems to ensure that critical components are not damaged or over-voltaged due to power supply irregularities. Additionally, due to its low current consumption, it can also be used in low-power systems where power efficiency is of utmost importance. It is also found in automotive, IT, and communications applications.

The MAX6376XR31-T is designed to operate over a temperature range from -40°C to +125°C and has an industry-standard 8-lead LFCSP package. It includes ultra-low-power consumption of only 300nA while in normal operation, making it ideal for applications that require high performance and efficiency. It has a built-in delay timer, adjustable input voltage thresholds, and push-pull output configuration allowing its applications to be tailored to specific needs.

The MAX6376XR31-T is a single-reset-output supervisor with an integrated push-pull output. The action of the output is determined by three programmable thresholds: a low-voltage trip point, a high-voltage trip point, and a reset active low-voltage level. When the supply voltage drops below the low voltage threshold (VLo), the output goes low, indicating a power failure. When the supply voltage again reaches the high voltage threshold (VHi), the output will go high. When the reset active low-voltage (VReset) is reached, the output is pulled low, to reset the system.

The MAX6376XR31-T also features an automatic output-polarity re-inversion upon reset. This feature ensures that the output is kept in an active low state until the supply voltage reaches the reset active low-voltage. This ensures that the system is properly reset and that any potential power supply irregularities are flagged.

In addition to providing a reset output, the MAX6376XR31-T includes an integrated delay timer feature. This timer delays the activation of the reset signal until the voltage exceeds a selected limit. This ensures that intermittent power supply irregularities are ignored while preventing the reset signal from being triggered prematurely. This feature can be adjusted by the user, allowing it to be tailored to the specific application’s needs.

The MAX6376XR31-T is an ultra-low-power voltage supervisor designed for a wide variety of applications. Its adjustable input voltage thresholds and integrated delay timer enable it to be tailored to the specific needs of any design. It is an ideal choice for systems requiring a reliable, high-performance voltage supervisor with minimal power consumption.

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