MAX6456UT46S+T

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The MAX6456UT46S+T is a low-power resistor-programmable, fixed-voltage supervisory circuit that provides microprocessor supervisory functions for efficient system designs. The device features an integrated comparator and has a wide range of programmable reset thresholds that allows for maximum flexibility for a variety of system applications.

The main features of the MAX6456UT46S+T include a low operating current of only 10uA, programmable reset timeout from 140 ms to 1000 ms, and an integrated watchdog timer. The device is available in 8-pin SOIC and TSSOP packages, and is capable of operating in the -40°C to +85°C temperature range.

The MAX6456UT46S+T is used in a variety of PMIC applications where power supervision is necessary. In automotive applications, these devices are used to monitor system voltages in order to detect any potential problems. They are also used to ensure that the voltage supplied to components is within a certain range. In consumer applications, the MAX6456UT46S+T is used to detect any over- or under-voltage conditions as well as for monitoring system temperatures.

The MAX6456UT46S+T works by continuously monitoring the power supply. When the supply voltage drops below a preset threshold, the reset output is activated and the reset timeout is initiated. The watchdog timer will then count down from the preset time and if the voltage does not increase to the preset threshold within the set time period, the reset output will be forced low and the microcontroller will be shut down.

The MAX6456UT46S+T also has a low-voltage detection circuit that monitors the voltage on the reset output line. When the monitored voltage drops below the VLOW value of 2.7V, the reset output is forced low and the microcontroller is shut down. The low-voltage detection circuit is ideal for applications that require protection against low-voltage conditions.

In summary, the MAX6456UT46S+T is a low-power, high-performance power supervisor IC. The device is ideal for applications requiring precision monitoring of system voltage, as well as for protection against low-voltage and over-temperature conditions. The integrated reset timeout and watchdog timer make the device ideal for automotive and consumer applications, as it ensures that systems remain operational in the event of power fluctuations or system faults.

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