MAX6760TAZAD3+T

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The MAX6760TAZAD3+T, a part of the MAX6760 family from Maxim Integrated, is a high-accuracy supervisor IC with integrated voltage monitor and reset functions. The device has been specifically designed for robust and reliable digital power systems in applications such as mobile and computing products. Its versatile features and wide voltage range make it suitable for a wide range of different applications.

The MAX6760TAZAD3+T features a wide operating voltage range of 1.62 V to 5.5 V, low-current operation at 1 μA typical, two adjustable and one fixed voltage monitor thresholds, manual reset input, timer-out reset and power-good, power-fail outputs. The device\'s integrated comparators provide accurate and reliable supervisory functions, while its on-board reset timer and watchdog can be easily configured to best suit the system\'s needs.

The main purpose of the MAX6760TAZAD3+T is to provide digital power system supervisors with versatile and low-current operation functions. The device provides a variety of monitoring and reset options, enabling it to work as a power-on reset, system-level monitor, or memory-backup supervisor. It can also serve as a battery switchover supervisor for mobile systems, allowing the system to smoothly transition between battery and wall power.

The operating principle of the MAX6760TAZAD3+T is simple. The device maintains two internally-programmable voltage monitor thresholds, a low-voltage threshold (LVT) and a high-voltage threshold (HVT). The device also monitors an external manual reset input, which can be used to force the device to perform a reset. The LVT and HVT thresholds can be set by the user via two external resistors.

When the device\'s input voltage is below the LVT, the device issues a reset to the system. When the input voltage is higher than the HV threshold, the device then considers the system power to be normal and asserts the power-good (PG) output. If the voltage is between the HV and LV thresholds, the device considers the system to be powered from either the wall or the battery and asserts the power-fail (PF) output.

Moreover, the device also includes an internal reset timer. This timer is used to set the duration of the reset signal, which is typically used to reset memory devices or to keep the system in a reset state until power is restored. The timer can also be used to kick off the system reset when a watchdog timeout occurs. Finally, the device also features an integrated watchdog timer that can be used to monitor the system\'s health. If the system fails to respond within the user-defined timer window, the device will then issue a reset signal to the system.

In conclusion, the MAX6760TAZAD3+T is an ideal choice for power system supervisors, offering a wide range of features, adjustable reset functions and low-current operation for a diverse range of applications. Its flexibility and robust operation make it an excellent option for digital power systems.

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