MAX6865UK43D2L+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High
Reset Timeout:	40 ms Minimum
Voltage - Threshold:	4.3V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	MAX6865

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PMIC - Supervisors

MAX6865UK43D2L+T Application Field and Working Principle

Power management integrated circuits (PMICs) are often the main computational elements of digital systems that provide tools for advanced system power management. Among the different types of PMICs, supervisors provide voltage monitoring, system reset and power-on reset functions to ensure unobstructed operation during a system’s reset process or when a power supply voltage varies. The MAX6865UK43D2L+T is a multi-channel voltage supervisor specifically designed to provide all of these features in a small, low-power package suitable for space-constrained, low-power systems.

Overview

The MAX6865UK43D2L+T is composed of a series of shift registers, binary counters, and comparators and works primarily by monitoring the device’s output supply voltage (VCC). If a voltage drop exceeding a certain threshold is detected, then the supervisor will be activated and will start to reset the system.The MAX6865UK43D2L+T is designed to be extremely efficient in terms of power consumption and can operate from a single battery cell. In addition, the device also integrates power-on reset and power status detect circuitry, allowing the device to detect when a power supply has been switched on or off.

Application Fields

The MAX6865UK43D2L+T can be used in a variety of industries where the performance of hazardous and complex systems must be regulated to avoid malfunctions. Its small size, low power consumption, and efficiency make it an ideal choice for portable and mobile devices, such as tablets, smartphones, and wearables.In addition, the MAX6865UK43D2L+T can also be used in larger, more stationary systems, such as those found in industrial, automotive, or other unregulated environments, that must be kept in a safe operating condition. The device can be used to provide monitoring and reset in situations where an increase or decrease in voltage could cause the system to malfunction or shut down, improving system reliability and decreasing total cost of ownership.

Integrated Features

The MAX6865UK43D2L+T offers multiple levels of integration that increase its overall versatility. In addition to VCC monitoring, power-on reset, and power status detect circuitry, the device offers up to ten independent channels of voltage supervision that can be used to monitor the power supply of multiple critical components.Furthermore, the device also integrates an adjustable delay watchdog reset that can be used to monitor the status of system software or hardware. In the event of a controlled software hang, the watchdog timer can be reset to maintain system operation—all without requiring external logic or components.

Conclusion

The MAX6865UK43D2L+T is a highly advanced, low-power supervisor specifically designed to provide power management and protection in a variety of hazardous and complex systems. Its efficient performance and wide range of integrated features make it an ideal choice for tasks such as VCC monitoring, power-on reset, and power status detect, as well as additional tasks such as independent voltage supervision and adjustable delay watchdog reset. Thanks to its small size and low power consumption, the device is also suitable for a variety of portable and mobile applications, making it an excellent choice for a wide range of power-sensitive systems.

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