MAX6855UK20D2+T

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The MAX6855UK20D2+T is a supervisor device from the family of PMIC (Power Management IC) Supervisors. It is a cost-effective, low power solution for detecting and protecting system components from overvoltage, over-temperature, and undervoltage events. The device is widely used in applications that require reliable protection for subsystems, such as processor cores, memory and storage devices, power supplies, and system peripherals.

The MAX6855UK20D2+T includes an integrated voltage regulator (Vdd) and a temperature monitor that can be used to detect over-temperature conditions. The device also provides integrated ESD protection and short circuit protection, along with a reset controller with an adjustable delay. The device is designed to operate at an operating voltage range of 2.7V to 6.0V.

The MAX6855UK20D2+T device contains multiple functions that help protect electronic components from overvoltage and over-temperature conditions. The integrated watchdog timer has an adjustable timeout setting, and it can be used to detect a system hang or freeze. The supervior is powered through a Vdd input and a logic supply, and also includes a reset output, a pulse output, and two GPIO pins.

The MAX6855UK20D2+T works in two ways to protect against overvoltage, over-temperature, and undervoltage conditions. Firstly, the internal voltage regulator circuit monitors the Vdd input, and when it detects an overvoltage, it will turn the output off. Secondly, the temperature monitor monitors the temperature of the system and can be configured to trigger a system reset when the temperature exceeds a user-defined threshold.

In order to prevent undervoltage, the MAX6855UK20D2+T has a hysteresis comparator that compares the input voltage to a user-defined trip point. If the voltage falls below this point, the comparator will trigger a reset. The device also includes a power-on reset function, which ensures that the system is reset whenever the voltage on Vdd drops below the trip point.

The MAX6855UK20D2+T also includes a reset controller, with adjustable delay, for controlling the reset signal. This reset signal can be used to inform system components when a reset is needed. The reset controller also has the capability to debounce the reset signal, ensuring that any false signals are ignored. As the MAX6855UK20D2+T is compatible with a variety of microcontrollers, it can be used in a variety of applications including embedded systems, industrial control systems, automotive systems, and more.

The MAX6855UK20D2+T is an ideal solution for applications that require reliable protection against overvoltage, over-temperature, and undervoltage events. Its combination of low power consumption, integrated protection systems, adjustable reset controller and user-defined trip points make it an ideal choice for embedded system and automotive applications where reliable protection is essential. Its compact size and minimal system requirements also make it an attractive solution for applications that are space-constrained.

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