MAX6381XR18D2-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	20 ms Minimum
Voltage - Threshold:	1.8V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SC-70-3
Base Part Number:	MAX6381

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Introduction to the MAX6381XR18D2-T

The MAX6381XR18D2-T is a multi-channel system supervisor and power sequencing device and belongs to the family of PMIC (Power Management Integrated Circuit) Supervisors. Developed by Maxim Integrated, this device provides system monitoring and control functions that enable it to efficiently manage power supplies and power sequencing operations. The MAX6381XR18D2-T is designed for single- or multi-channel, high reliability applications in the automotive, battery-operated and harsh environment industrial markets.

Applications of the MAX6381XR18D2-T

The MAX6381XR18D2-T is used in applications such as automotive control and monitoring, battery operated products, industrial systems, and various other safety-critical systems. It helps in managing complex power supplies in a reliable, consistent and efficient way.

• Automotive: The MAX6381XR18D2-T provides accurate controlled power-up and power-down sequences to protect sensitive hardware and drivers real-time communication interface components in the automotive environment.
• Industrial: In industrial applications, the MAX6381XR18D2-T can protect equipment against hazardous events such as short circuits, overvoltage, overcurrent, undervoltage, undercurrent, etc. Moreover, it can control the power sequencing operation of multiple motor control units.
• Battery-Operated: The MAX6381XR18D2-T can be integrated into battery-operated systems such as remote control, medical and communication devices. It helps in extending the device’s battery lifetime by preventing power-up and power-down sequences that are not required during battery replacement.
• Other Safety-Critical Systems: The MAX6381XR18D2-T is also applicable for other safety-critical systems such as semiconductor processes and test equipment since it can monitor and control dangerous events related to the high power management.

Overview of Features

The MAX6381XR18D2-T offers several features that make it ideal for many applications:

• Wide Input Power Range: The integrated circuit can handle a wide input power range of 2.5V to 18V.
• Enhanced System Management: The MAX6381XR18D2-T provides enhanced system management features such as independent power sequencing, supply power sequencing and sequencing control.
• Enhanced Performance: The device offers excellent temperature tracking capabilities and high operational temperature ranges with its enhanced temperature range of -40°C to +125°C. The MAX6381XR18D2-T also offers greater reliability and functionality due to its improved internal power monitoring capabilities.
• Advanced Sensing Capability: Its advanced sensing capabilities ensure that the MAX6381XR18D2-T is able to monitor and protect against a wide variety of hazardous events, including brownout, overvoltage, undervoltage and overcurrent, to name just a few.
• Flexible Power Control: The MAX6381XR18D2-T offers flexible power control options as it can be easily configured to monitor and control various types of power supplies.
• Easy Customization: It is easy to customize the MAX6381XR18D2-T to meet individual system requirements.
• Integrated Protection: The device offers integrated protection against short circuits and other hazardous events.
• Low Power Consumption: The integrated circuit has a low operating power consumption rating.
• Compact Design: The MAX6381XR18D2-T has a small size and is able to fit in tight spaces.

Working Principle

The MAX6381XR18D2-T integrates many of the components needed for power management into a single package, including a power management unit, a voltage monitoring circuit, and several current and voltage monitoring pins. The circuitry monitors the input and output power using the integrated monitoring unit, and uses the voltage and current pins to detect any over or undervoltages.Once an over or undervoltage is detected, the MAX6381XR18D2-T will immediately shut down the power supply and power cycle the system, ensuring that no damage to the hardware is done. Additionally, the MAX6381XR18D2-T can be used to monitor the system’s temperature, one of the most crucial parameters for system stability and protection.The MAX6381XR18D2-T offers many other features as well, such as integrated watchdog timers, built-in overvoltage protection, and adjustable trip and reset levels. The MAX6381XR18D2-T is an ideal solution for applications where precise power management and system monitoring is required.

Conclusion

The MAX6381XR18D2-T is a multifunctional power management device developed by Maxim Integrated. This device belongs to the family of PMIC Supervisors and is used in many applications including automotive, industrial, and battery-operated systems, as well as other safety-critical systems. The MAX6381XR18D2-T provides reliable and efficient system monitoring and control features such as enhanced performance, advanced sensing capability, integrated protection, low power consumption and compact design. Its integrated monitoring unit, current and voltage pins help in detecting over and undervoltages, while its watchdog timers, overvoltage protection and adjustable trip and reset levels add to its versatility. The MAX6381XR18D2-T is ideal for applications demanding precise control and protection of power supplies.

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