MAX6871ETJ+

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Power management ICs (PM ICs), otherwise known as Supervisors, are designed to monitor, regulate, and control the flow of electricity in an electronic system. Specifically, they regulate the power supply to ensure that it stays within specified limits. Although there are various types of PM ICs, they all have one common purpose – to keep the system running efficiently, safely, and reliably.

MAX6871ETJ+ is the latest PM IC Supervisor family released by Maxim Integrated. It is a high-performance and cost-effective IC that provides a configurable control over a single supply voltage. It provides various features, including nanoPower operation, wide input voltage range, adjustable undervoltage/overvoltage thresholds, and advanced diagnostics.

Application Field

The MAX6871ETJ+ PM IC supervisor is ideal for a variety of applications, such as embedded systems, automotive, and industrial applications. It provides an array of features that make it suitable for use in these fields. Its wide input voltage range of 2.7V to 12V and adjustable undervoltage/overvoltage thresholds ensures that it can be used to monitor and regulate power supply levels in different system power domains. Additionally, its nanoPower operation mode reduces power consumption while also extending battery runtime.

Its advanced diagnostic features provide critical system fault diagnostics such as a missing supply, undervoltage detect, and overvoltage detect, helping to ensure reliable and robust protection of the system in a wide range of applications. Furthermore, its low-voltage and small footprint make it an ideal choice for high-density and space-constrained designs.

Working Principle

The MAX6871ETJ+ PM IC supervisor operates according to the following principles:

• It monitors the supply voltage using an analog-to-digital converter and determines if the voltage is above or below the adjustable thresholds.
• If the voltage is above or below the programmable threshold limits, it sets the error signal accordingly.
• The MAX6871ETJ+ then provides a power-good signal when the supply voltage is within the specified limits.

Additionally, the MAX6871ETJ+ supports various diagnostic modes to indicate the fault status in the event of a system malfunction. These include missing supply detect, low voltage detect, and over voltage detect. In the event of an overvoltage or undervoltage, the MAX6871ETJ+ will shut down the system, ensuring that no damage is done to the system.

The MAX6871ETJ+ PM IC supervisor is an ideal choice for a wide range of applications due to its high-performance and cost-effectiveness. Its advanced features, such as its low power consumption, adjustable undervoltage/overvoltage thresholds, and advanced diagnostic capabilities make it an ideal choice for a variety of applications.

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