MAX691AESE+

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Battery Backup Circuit
Number of Voltages Monitored:	1
Output:	Push-Pull, Push-Pull
Reset:	Active High/Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	4.65V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	MAX691

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Introduction to MAX691AESE+

The MAX691AESE+ is a low-power supervisor circuit designed by Maxim Integrated Products. It is an advanced supervisory device for monitoring voltage conditions, especially for circuits powered by battery-backed or non-volatile supplies. It is capable of providing protection from undervoltage and overvoltage, as well as detecting low-voltage conditions. The MAX691AESE+ is a sophisticated, integrated device comprising two separate sensors and two configurable comparators for monitoring the supply voltages.

Application Field of MAX691AESE+

The MAX691AESE+ is widely used in a variety of applications, including automotive, industrial, consumer electronics, and medical markets. It can be used in applications such as battery-backed systems and power systems, where there is a need to monitor the supply voltages and ensure proper system operation. In these applications, the MAX691AESE+ can protect the system from any undervoltage or overvoltage conditions and alert the user of a low-voltage situation.The MAX691AESE+ can also be used in mobile devices, such as cellular phones and tablets, to monitor the battery voltage. It can be used to detect the low-battery situations, ensure proper system operation during the wake-up phase and protect the device from overvoltage conditions. In addition, the MAX691AESE+ can be used in medical equipment to protect the system from any overvoltage or undervoltage conditions. It can be used to monitor the voltage of a system powered by a battery, or powered by a power line, to ensure proper system operation.

Working Principle of MAX691AESE+

The MAX691AESE+ consists of two voltage sensors and two comparators, both of which are individually programmable. The MAX691AESE+ reads the supply voltage through one sensor, and compares it to a voltage range set by the user. Depending on the compared voltage result, the MAX691AESE+ can produce one of four outputs: Overvoltage Trip, undervoltage trip, normal and battery low warning.The MAX691AESE+ has a programmable reference voltage that allows it to accurately monitor the voltage of a system using the low-voltage comparator (LVC) module. The user can program this reference voltage and the desired output range. When the input voltage falls within the programmed range, the LVC will generate an output signal to alert the user of the low-voltage condition.The MAX691AESE+ also has an integrated over-voltage protection circuit that monitors the voltage of a system and shuts down the system when the voltage exceeds the set limit. This prevents any system damage that could be caused by overvoltage conditions.

Conclusion

The MAX691AESE+ is a comprehensive system supervisor that can be used in a variety of applications. It can protect a system from any undervoltage or overvoltage conditions, and can alert the user when a low-voltage situation is detected. The MAX691AESE+ can also provide protection from overvoltage conditions and can shut down the system when the voltage exceeds the set limit.

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