MAX6388XS44D2-T

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The MAX6388XS44D2-T is an integrated power management device, part of the MAXQ family of voltage supervisory ICs (Integrated Circuit) for electronic circuits that requires a voltage monitor for input supply monitoring, system reset and power-good enhancement. This device is a cost-effective embeddable solution that can be used to monitor multiple voltage rails, provide system reset capabilities and signal system power generation.

Application fields

The primary application field of the MAX6388XS44D2-T is in programmable logic controllers (PLCs) to monitor and protect their power supply systems. By incorporating this device into a PLC, the PLC can be protected from overvoltages and undervoltages, as well as against current leakage. Additionally, this device can be used in automotive, medical, industrial and commercial applications.

The device includes two voltage monitors and two independent resinitors for input supply monitoring. It also includes two integrated programmable reset pins to provide system reset capabilities. It features an adjustable reset output pulse width, adjustable reset output delay and adjustable threshold voltage with hysteresis.

Working Principle

The working principle of the MAX6388XS44D2-T consists of two parts: the supply monitor and the reset function. The supply monitor consists of two rail voltage monitoring circuits, each with two fixed-level voltage sensing inputs. The reset function consists of two wide-body outputs with adjustable reset time delays. The supply monitor is capable of monitoring two voltage rails while the reset function can generate two independent system reset signals in response to an undervoltage or overvoltage condition.

The MAX6388XS 44D2-T will monitor the input supply rail and when the input voltage falls below or exceeds the user programmable threshold, the reset output will be activated. After the voltage returns to normal, the reset output will be deactivated. Additionally, the reset pulse width and reset delay time are adjustable.

The MAX6388XS44D2-T is suitable for automotive, industrial, medical, and commercial power supply applications that require a supervising IC for supplemental features such as input monitoring, system reset and power-good enhancement. It provides an efficient, cost-effective integrated solution for voltage supervision, reset generation, and power-good monitoring for microcontroller systems.

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