MAX6769TALD0+T

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The MAX6769TALD0+T is a device from Maxim Integrated that belongs to the PMIC - Supervisors category. It is a versatile member of the Supervisors family that is designed to detect a wide variety of faults such as undervoltage, overvoltage, overtemperature, and overcurrent.

As it is intended to secure the power supply of various systems, it features wide input voltage range of 5.3V to 26.2V, high accuracy voltage detection of ≤ 1.5%, low power consumption (60µA), long blanking time of 2.3s and over temperature shut down. It has a temperature operating range between -40°C and +125°C, providing designers with the necessary protection while providing high reliability and stability.

The device operates as a voltage supervisor, monitoring both the inrush current and the total power supply voltage in an application. It is typically used for power-up and power-down sequencing, providing latch-up and brown out protection to the application. It is also capable of latching the system power off in case of an overload or undervoltage fault condition.

The MAX6769TALD0+T integrated circuit functions in the following manner: first, it starts by monitoring the input voltage at the EN/RESET pin. Depending on the state of the EN/RESET pin, it will either start an initialization sequence or remain in an inactive state. If the EN/RESET pin is low, the part is initialized, but is set to an inactive state and will remain so until the EN/RESET pin is brought high. Once the EN/RESET pin is brought high, the part will start entering a power-on state by checking if the output voltage rail is within the specified tolerance.

Assuming that the specified tolerances are met, the next step will be to check the overcurrent level in the system. This is done by checking if the current exceeds the maximum limit set by the part, and if that is the case, it will immediately turn off the output voltage rail. Finally, if the maximum current has not been exceeded, the part will enter into a low-power, standby mode.

In summary, the MAX6769TALD0+T integrated circuit is a versatile and highly reliable device that can be used to secure the power supply of applications such as motor drivers and actuators. It features wide input voltage range, low power consumption, long blanking time and over temperature shut down that is guaranteed to provide the microcontroller with reliable protection and protection. With its easy-to-use interface, it can help designers ensure high reliability and stability in their system.

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