MAX6365PKA31-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Battery Backup Circuit
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	150 ms Minimum
Voltage - Threshold:	3.08V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-8
Supplier Device Package:	SOT-23-8
Base Part Number:	MAX6365

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PMIC - Supervisors: MAX6365PKA31-T Application Field and Working Principle

PMIC – Supervisors are microprocessor based devices, typically working in conjunction with logic devices, to monitor the power supply and system system\'s condition. This includes monitoring power supply levels, voltage fluctuations, over-current protection and interrupt status. The motor industry has probably been the single largest user of PMIC – Supervisors. Supervisors provide accurate and reliable protection for a system and improve the life time of the system.The MAX6365PKA31-T is one of the PMIC – Supervisors available in the market, designed by Maxim Integrated and manufactured by Texas Instruments. This device provides an efficient and effective means of protecting the system and its components from voltage and current fluctuations, as well as ensuring that the system is operating within its optimum parameters. This supervisor has an operating temperature range of -40°C to +85°C and is encapsulated in a 28-pin TSSOP, Plastic Package.

Application Field and Design Goal

The MAX6365PKA31-T can be used in a wide range of applications, ranging from air conditioners, refrigerators, pumps, industrial machinery and much more. Its key advantages are its small size and high system integration, which allows for a low component count, reducing cost and improving the system\'s overall performance.The device is mainly designed for Voltage supervisor in high-voltage portable systems, where it is able to monitor for components for over-current protection, detect over-voltage, under-voltage, over-temperature and watchdog timeout functions, thus ensuring the system is efficiently and reliably operated.

Working Principle

It is the responsibility of the supervisor to ensure the system is working within its operating parameters and that no component is damaged by over-current, voltage and temperature fluctuations. This is accomplished by the device’s various working principles, which include:1. Over-voltage Detection - This involves monitoring the input voltage (V DD ) and output voltage (V OUT ) of components in the system. If either voltage is detected to be greater than the specified threshold level, the supervisor will shut down the component and prevent any excess damage.2. Over-Current Protection - The MAX6365PKA31-T can detect and prevent over-current in a component by monitoring the current (I L ) blocking rise time. If the rise time is above the specified threshold level, the supervisor will detect the over-current and shut down the component to protect it from damage.3. Under-Voltage Detection - This is the opposite of over-voltage and involves detecting when the input or output voltage of a component falls below the specified threshold level. If this condition is detected, the supervisor will shut down and prevent damage to the component.4. Over-Temperature Detection - The MAX6365PKA31-T is able to detect an increase in temperature, which could possibly damage the component or system. It does this by monitoring the junction temperature (TJ) and if it rises above the specified threshold level, the supervisor will shut down the component and prevent damage.5. Watchdog Timer Function - This feature allows the system to detect and prevent a component from entering a ‘frozen’ state. If the component does not respond within the specified time period, the supervisor will shut it down and restart the component, thus preventing a system failure.

Conclusion

The MAX6365PKA31-T is a reliable and efficient voltage supervisor solution for high-voltage portable systems and other applications. The device is able to effectively monitor the system\'s components for over-voltage, over-current, under-voltage, over-temperature and watchdog functions, to ensure that components are always operating within their optimum parameters and no component is damaged by excessive fluctuations or delay in response time.

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