MAX6368LKA26+T

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PMIC - Supervisors

Power Management Integrated Circuit (PMIC) is any integrated circuit (IC) which thermal characteristics, voltage range and current capabilities are tailored to the needs of a particular application. It provides a range of features and functions for providing power or controlling a circuit or system.

Supervisors are ICs designed to supervise power supply and provide detailed information about the current or voltage of the supply chain. They are often used to provide alert signals in the event of a failure of one or more components within the supply chain. One such device is the MAX6368LKA26+T, which is a low power, high performance power system supervisor.

MAX6368LKA26+T Application Field and Working Principle

The MAX6368LKA26+T is a low power, high performance power supply supervisor designed for monitoring and protection of up to three nodes in the power supply chain. This supervisor provides voltage, current, and temperature sensing with fault detection and reporting capabilities to ensure reliable power. It offers power system monitoring with fault reporting, overvoltage and undervoltage protection, current sense accuracy, temperature measurement with programmable thresholds, and nominal voltage and power source selection.

The MAX6368LKA26+T offers an integrated Low Dropout (LDO) regulator for supply voltage sequencing and filtering, a core voltage monitor, a voltage shift detector, an open-drain fault output, an internal temperature monitor, and a memory interface to allow system configuration. Additionally, it has a low quiescent current and an adjustable reset threshold that is programmable over range.

As for its application field, the MAX6368LKA26+T is suitable for a variety of applications, ranging from consumer electronics, power supplies, IT systems, portable battery powered devices, and automotive applications. It is also well suited for applications with limited space and operating temperature as low as -40°C.

The working principle of the MAX6368LKA26+T is based on comparing monitored voltage and current levels with on-chip programmable thresholds. In case of an undesired event, it provides an alert signal to the user by issuing a power system fault or alert (over-temperature, overvoltage/undervoltage, or current-limiting) warning. Its integrated LDO regulator ensures proper sequencing and filtering of supply voltage, while the core voltage monitor allows to easily set the sequence of individual power rails. The voltage shift detector is responsible for monitoring if a secondary power rail shifts out of its normal voltage range, while the on-chip temperature monitor provides temperature measurement with programmable thresholds. Finally, the MAX6368LKA26+T also includes an open-drain fault output and a memory interface to allow system configuration.

In conclusion, the MAX6368LKA26+T is a low power, high performance power system supervisor designed for monitoring and protection of up to three nodes in the power supply chain. It is suitable for a variety of applications and its functionality allows for reliable power monitoring, fault reporting, overvoltage and undervoltage protection, current sense accuracy, temperature measurement with programmable thresholds, and nominal voltage and power source selection.

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