MAX16057ATT30+T

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The MAX16057ATT30+T is a low-power, microprocessor supervisor/reset device that provides integrated functions such as power supply supervisory, watchdogs, margining, and power-on reset (POR) in a very small package. It comprises of voltage supervisors with reset outputs to monitor multiple power supplies, watchdogs controlled by an externally generated pulse, margining of the supply voltage, and a POR trigger input.

The MAX16057ATT30+T is suitable for applications such as microcontrollers, DSPs, FPGAs, embedded systems, systems on chip, and other embedded applications. It can be used to ensure accurate system operation in extremely noisy power sources, as well as to guarantee the reliability of the system functions, as well as to extend the life of the input power source.

Application Field

The MAX16057ATT30+T can be used in a variety of applications, including microcontrollers, digital signal processors (DSPs), Field Programmable Gate Arrays (FPGAs), embedded systems and SoCs. This device is a great choice for monitoring, reset and supervisory functions in embedded applications.

The MAX16057ATT30+T\'s integrated features such as power supply supervisory, watchdogs, margining, and power-on reset (POR) make it an ideal fit for demanding applications with complex power architectures. It helps to ensure that power-on signals, system reset signals, and Margining functions are reliable and accurate even with noisy input power sources. Moreover, it can also help to protect other components from damage due to power fluctuations and ensure the reliability of system functions.

Working Principle

The MAX16057ATT30+T is a low-power microprocessor supervisor/reset device that monitors multiple power supplies. This device has two supervisors, each comprised of an analog input, an asynchronous digital output and a reset signal. The supervisor monitors the input voltage and sends an active low (RESET) signal when the voltage falls below a predefined trip point. The input voltage ranges are adjustable with external resistors.

The MAX16057ATT30+T also has a watchdog timer to provide a failsafe mechanism against system crashes. This timer can be triggered externally by a pulse, or by the main reset line. The duration of the watchdog period is programmable with external capacitors (VDD WDT and VDD WDT). It is also important to note that the watchdog timer can be disabled by asserting the watchdog enable pin.

The MAX16057ATT30+T also has margining functionality, which allows the user to control the input voltage levels during system testing. This can help to verify the stability of the system under different supply voltages and prevent system malfunctions during development and deployment.

Finally, the MAX16057ATT30+T has a power-on reset (POR) trigger input pin. This pin is monitored by the POR circuit and generates a reset signal when the input voltage rises above a programmable threshold. The voltage threshold is adjustable via an external resistor. This feature is especially useful in applications with sudden changes in power supply voltage.

Conclusion

In summary, the MAX16057ATT30+T is a low-power microprocessor supervisor/reset device that is suitable for a range of embedded applications. This device provides integrated functions such as power supply supervisory, watchdogs, margining, and power-on reset (POR) in a small package. It helps to guarantee system reliability, extends the life of the input power source, and provides failsafe protections against system malfunctions.

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