MAX692ACPA

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Battery Backup Circuit
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	4.4V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-PDIP
Base Part Number:	MAX692

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MAX692ACPA Application Field and Working Principle

Introduction

The MAX692ACPA from Maxim Integrated is an integrated supervisor and voltage reference IC. This integrated IC can monitor a system\'s supply voltage, detect a drop below or excessive rise above a pre-set level and initiate a reset. It is a three-pin voltage supervisor IC, specifically designed to provide safety supervision for slave microprocessor-based circuits. The IC is designed to operate over a wide range of input voltages and is suitable for both single supply and dual supply applications. A wide range of voltage triggers and reset delays are available to enable reliable, safe operation of the device.

PMIC - Supervisors

PMIC - Supervisors are integrated circuits which provide voltage regulation, reset and power management functions in various electronic systems. They are used to ensure the system is operating in a safe and reliable manner, by monitoring the voltage supply and initiating a reset whenever there is a drop below or excessive rise above a pre-set level. A variety of supervisor ICs are available, providing different functions and features, but all operate in a similar manner.

MAX692ACPA

The MAX692ACPA is a low-power voltage supervisor and voltage reference IC, designed for use in microprocessor-based systems. It provides power-on reset (POR), power-fail reset (PFR), voltage spike reset (VSR) and over-voltage protection. The device can detect an input voltage of up to 29V, with an accuracy of 0.5%. The built-in reset circuit prevents the system from entering an unexpected or incorrect state, while an adjustable delay on the reset signal allows the system to reach a stable state prior to resetting.

Applications

The MAX692ACPA voltage supervisor and voltage reference IC can be used in a variety of applications. These include circuit systems for personal computers, networking systems, embedded systems and automotive systems. It can be used as a POR circuit, a PFO (Power-Fail Override) circuit, or an over-voltage protection circuit.

Working Principle

The MAX692ACPA supervisor monitors the input voltage and compares it with the pre-set voltage levels. When the input voltage falls below or rises above these levels, an internal reset circuit is activated and a reset signal is output. This reset signal can be delayed with an adjustable time range of 0 to 20 milliseconds.The MAX692ACPA also features an adjustable voltage reference, which can be set through a resistor network to provide a stable output voltage. The voltage reference can be used as a power spike filter, or for generating a stable voltage supply to other components in the system.

Conclusion

The MAX692ACPA IC from Maxim Integrated is an integrated voltage supervisor and voltage reference IC, designed for use in microprocessor-based systems. The device can detect an input voltage of up to 29V, with an accuracy of 0.5%. The built-in reset circuit prevents the system from entering an unexpected or incorrect state, while an adjustable delay on the reset signal allows the system to reach a stable state prior to resetting. The device is suitable for use in a variety of applications and can be used as a POR circuit, a PFO circuit, or an over-voltage protection circuit.

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