MAX6736XKRVD3+T

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MAX6736XKRVD3+T is a kind of PMIC - Supervisors, which applied in different field and work as certain principles.

Applications

The MAX6736XKRVD3+T supervisor is used to monitor the power supply of integrated circuits and system power supplies in real time and can detect changes in the power conditions make the microprocessor reset. It is mainly used for low-level applications, such as low-voltage/low-current microprocessors, DSPs, FPGAs, and other control circuitry. It has a wide operating temperature range, -40 °C to +125 °C, which eliminates any risk of out-of-control situations during operation in such a wide temperature range environment. This product is simple to install and operate, which guarantees the reliability and accuracy of the measurement. In addition, it is equipped with innovative features such as input undervoltage, which can detect voltage levels as low as 0.8V, in addition to the reset signal, push-pull reset output, manual reset and reset/alarm lockout. The MAX6736XKRVD3+T also contains a hardware watchdog, which if enabled and enabled, will automatically reset if it is not stopped within a certain period of time.

Working Principles

When the power supply voltage of the MAX6736XKRVD3+T drops to an acceptable level, the comparator will detect the drop and the reset input pin corresponding to that voltage change will be pulled low. This will send an active low pulse to the reset output pin. The pulse width is determined by the time between the onset of the power supply voltage dip and the time when the reset input pin is negated. This reset pulse will reset the microcontroller, FPGA, or other control circuitry. Reset/alarm lockout feature is useful for situations when you want to stop the reset signal from graduating for a certain period of time. This is used to prevent the reset signal from propagating further if there is a false reset signal. The hardware watchdog can also be enabled and a reset will occur if the designated time elapsed. The manual reset feature allows the user to reset the device manually after the power failure.

Also, the MAX6736XKRVD3+T contains input undervoltage detections, making it possible to detect power supply inputs as low as 0.8V. This is used to prevent misoperation or malfunction of the system due to voltage dips. This can greatly improve the system reliability.

Some other features of the MAX6736XKRVD3+T include protection against inadvertent manual resetting and its low supply current, which can be as low 0.5µA when the watchdog timer is disabled. This makes it ideal for battery-powered applications.

Conclusion

MAX6736XKRVD3+T is a very powerful and reliable supervisor, which is ideal for low power systems. It has great protection against voltage drops and you can even set the reset/alarm lockout to optimize the system performance. Moreover, the manual reset feature allows you to easily reset the system in case of power failure. This supervisor is widely used in different applications such as low-level microprocessors, DSPs, FPGAs, and other control circuitry.

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