MAX6351TZUT+

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The MAX6351TZUT+ is a PMIC (Power Management Integrated Circuit) from Maxim Integrated, which features voltage monitoring and supervisor circuits. It offers negative and positive input rail monitors, along with an integrated push-button reset control. This PMIC is an ideal solution for space-constrained applications such as consumer, industrial and automotive, where monitoring and supervisor functions are required.

The extended temperature range (-40°C to +125°C) makes the MAX6351TZUT+ suitable for use in a wide variety of industrial and automotive environments, which require reliable and robust monitoring and supervision circuits. This device is fully-automotive qualified, making it a great choice for automotive applications such as engine control, reversing camera, and ECU.

The MAX6351TZUT+ offers a wide range of features, including the capability of reset control, output control, and programmable positive and negative undervoltage lock-out (UVLO) levels. It also features an optical supervisor and watchdog timer, which can be set to desired timeout periods in range of 1-255 seconds.

The MAX6351TZUT+ employs analog comparator and digital logic block to detect and generate the reset pulse in response to various overvoltage and undervoltage conditions. The device is capable of monitoring a single voltage or dual voltages, which can be configured in either regular low-active or inverse low-active mode. The monitoring voltage thresholds can be set between 0.55V and 5.25V for the positive voltage, and 0.4V and 5.3V for the negative voltage.

The MAX6351TZUT+ comes with an integrated transistor output stage, which can be used to control external loads, such as switching off power supplies and resetting microcontrollers. The output stage can be configured in either open-drain or push-pull configuration, with a maximum output current of 25mA. It also features an enable input, which enables or disables the output stage.

The MAX6351TZUT+ is available in a tiny (3mm x 5mm) DFN-8 package, making it an ideal choice for space-constrained applications. It operates on a single 3V to 5.5V or dual 4.5V to 5.5V power supply, and dissipates just 60μA at 5.5V operating voltage.

In summary, the MAX6351TZUT+ is a great choice for applications that require reliable and robust voltage monitoring and supervisor circuits. It can be used for controlling external loads, resetting microcontrollers, and for maintaining the operation of power supplies in automotive and industrial applications.

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