MAX813LESA+T Integrated Circuits (ICs)

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MAX813LESA+T Application Field and Working Principle

MAX813LESA+T is a special Power Management and Supervisory Integrated Circuit (PMIC-Supervisors) available for industrial and commercial applications. It supplies power to a wide variety of systems, provides enable signals for system components, monitors battery voltage, and manages power on and off in order to optimize power consumption.

Features

• Voltage monitoring of VDD, VCC, Vref, Vaux, or any other analog or digital supply.
• Voltage supervisory up to four independent outputs.
• Over-voltage, undervoltage and reset level detection.
• Open-drain or push-pull reset.
• Single-channel manual reset.
• High-accuracy temperature monitoring.
• Flexible power-on and power-off options.
• Wide operating temperature range (-40°C to +125°C).

Applications

MAX813LESA+T is a versatile PMIC-Supervisor, which can be used for pretty much any system design, from small industrial to commercial applications. Mainly, it is well-suited for battery-powered systems, as it can monitor the battery voltage and implement shutdown logic if the voltage falls below a certain level. In industrial applications, it can also monitor the voltage inputs on the system board and reset any circuits when the voltage drops to critical levels. Moreover, MAX813LESA+T can be used in automotive, communications, computing, and industrial control systems.

Working Principle

The MAX813LESA+T combines the functions of voltage supervisor and temperature monitor into a single integrated device. It monitors several voltage sources to detect voltage potentials which might impact the normal operation of the system, and produces reset or enable signals accordingly. The device also allows users to configure the power control save states, temperatures and times required for different sate transitions.

The heart of MAX813LESA+T is a Voltage Supervisor block, which monitors the supply voltage and produces reset, reset inverse, power-on reset and power-active signals for the system. The voltage supervisor also includes an adjustable voltage detector, which can be set to detect the undervoltage or overvoltage conditions. The power control of the device is provided by an integrated power control block, which supports several power-down modes in order to minimize power consumption.

The MAX813LESA+T also features a temperature monitor block, which is used to monitor the system temperature, and produces an alert signal when the temperature exceeds the pre-set thresholds. The device also provides Wake-up, Shutdown and Reset signals, which can be used to manage the system power in a low power condition.

Conclusion

MAX813LESA+T is a versatile PMIC-Supervisor available for industrial and commercial applications. It is able to monitor the voltage levels of the system and reset any components when the voltage falls below a certain level. It also has several power saving features such as the adjustable voltage detector, the power control block and the temperature monitor block. Finally, the device also features Wake-up, Shutdown and Reset signals, which can be used to efficiently manage the system power.

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