MAX793RCSE+

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Battery Backup Circuit
Number of Voltages Monitored:	1
Output:	Open Drain, Push-Pull
Reset:	Active High/Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	2.625V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	MAX793

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Introduction

MAX793RCSE+ is a special-purpose integrated circuit (IC) designed as a supervisor to oversee various functions within an electronic system. It is categorized as a PMIC (power management IC), and is a great choice to manage power in a host of different scenarios – particularly where high accuracy is required.

What is a Supervisor?

A supervisor is a type of IC that is used to monitor the state and health of electronic components within an electronic system. It does this by comparing pre-defined levels or parameters with the current state of the system. If the supervisor detects any inconsistencies or abnormality, it will take the necessary measures to protect the system and its other components from any potential damage. Supervisors can be used in a variety of applications ranging from mobile phones, medical devices and consumer electronics.

Working Principle

The MAX793RCSE+’s working principle is comprised of four main parts: a Reference Voltage, Comparator, Monitor Output, and Power Supply Monitor.The Reference Voltage is pre-set and determines the criteria by which the Comparator will measure against. In a simple example, this could be the voltage required to power a system – if the voltage drops below a certain threshold, the Comparator will detect this, and the Monitor Output will activate.The Comparator then acts as the relay between the Reference Voltage and Monitor Output. It takes the reading of the Reference Voltage, and compares it to the current state of the system. If the voltage falls below a certain threshold, the comparator will send a signal to the Monitor Output.The Monitor Output is the final piece of the puzzle. It is the part of the MAX793RCSE+ that will actually take action if an inconsistency has been detected. Depending on the configuration, this could be an active high or low state – meaning that if an issue has been detected, the system can either switch off, or stay in the same active state.The Power Supply Monitor is responsible for checking the current voltage of the system, and comparing it to the user-defined reference voltages. The Power Supply Monitor will also provide feedback to the coordinator, who will then decide what action should be taken.

Application Field

MAX793RCSE+ is a versatile and reliable supervisor, and can be used in numerous applications. It is great for hot-swapping applications, where it can be used to detect when a system is safe to hot-swap components without causing disruption or damage.MAX793RCSE+’s versatility makes it a great choice for any application that requires robust power management. It can be used in consumer electronics such as TVs and laptops, or in medical devices or automotive components.

Conclusion

The MAX793RCSE+ PMIC (power management IC) is a reliable and versatile supervisor designed to detect any potential irregularities in an electronic system. It works by comparing user-defined reference voltages with the current level of power within the system, and will take the necessary action if any inconsistencies exist. The MAX793RCSE+ can be used in a variety of different applications including consumer electronics, automotive components, medical devices and more.

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