Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	20 µs Typical Propagation Delay
Voltage - Threshold:	2.7V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SC-70-3
Base Part Number:	MAX6377

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PMIC - Supervisors

MAX6377XR27-T is a supervisor integrated circuit (IC) module from Maxim Integrated, which is used for monitoring power supply voltage and provides reset signal for microcontrollers, system-on-chip (SOC) processors and many other digital circuits. It offers several features such as low power shutdown, wide range of operating temperatures, 6 Reset Flags and BIST functionality.

Application Field

The MAX6377XR27-T stands out in a number of applications. It is especially helpful in building various control systems that require a reliable network. For instance, this module is perfect for building a system monitoring power supply voltage and controlling it as needed. The maximum allowed voltage is 27 V, which makes this module highly suited for applications in 40V industrial systems and consumer applications with high voltages. The Reset Flag and the built-in BIST capabilities make the MAX6377XR27-T a great choice for microcontroller-based systems. Additionally, it can be used for system monitoring and communication interface control.

Working Principle

The MAX6377XR27-T works by monitoring the power supply voltage across the VCC and GND pins and setting the reset flags accordingly based on the monitoring outputs. The module has six reset flags, from F0 to F5, that correspond to different voltages. If the voltage goes below the set voltage at the corresponding F pin, the Reset flags will be triggered and cause a reset signal to the microcontroller, SOC processor or other digital circuits.The MAX6377XR27-T has a built-in power shutdown feature as well. If the voltage falls beneath an adjustable threshold, the built-in FET will turn off, causing all attached systems to be shut down.The module also features a built-in BIST (Built In Self Test) capability that helps ensure proper operation and diagnose problems. The process works by monitoring the RiseTime, FallTime and PulseTime of the power supply. If the values deviate from the expected, the module will generate a response accordingly.

Conclusion

The MAX6377XR27-T provides a reliable means for monitoring power supplies. In addition, its reset flags and BIST capabilities provide an extra layer of security and protection for microcontroller-based systems and other digital circuits. The wide range of operating temperatures and adjustable power shutdown feature makes this module very attractive for many applications.

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