MAX16016PTBT+

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The MAX16016PTBT+ is part of Maxim Integrated’s Power Management Integrated Circuit (PMIC) Supervisors family and is designed for microprocessor-based systems. The MAX16016PTBT+ is a highly integrated supervisor that includes an on-chip supply voltage detector, watch-dog timer, multiple reset outputs, and other features to provide sophisticated system reset and protection functions to ensure accuracy, reliability, and system-level reliability.

Overview of Application

The MAX16016PTBT+ is ideal for providing voltage monitoring, supply voltage tracking and power-on reset functions in microprocessor systems. Its wide voltage range and low current consumption make it suitable for a variety of battery-operated applications, as well as applications where power supply filtering is limited or not available. The MAX16016PTBT+ is also suitable for supporting a wide range of supply voltages, from 1.8V to 5.5V. With a low input threshold up to 0.88v, the MAX16016PTBT+ can operate even in the presence of noisy power rails.

Overview of Working Principle

The MAX16016PTBT+ provides a programmable low voltage detector (LVD), a watchdog timer, a power-on reset (POR), and other features. The LVD monitors the system voltage and provides an output when the voltage falls below a user-defined threshold. The output can be used to power-down the system or issue an interrupt to the processor. The watchdog timer allows the processor to reset itself after a predetermined period of time by forcing an output low when a timeout occurs. The POR resets the processor when power is applied, allowing the system to start up in a known state. The POR also prevents combination lockups by resetting the system if two reset conditions occur simultaneously.

The MAX16016PTBT+ also includes an integrated D-type flip-flop and adjustable time delays that are used to generate a reset signal. The time-delay circuit can be adjusted to generate a suitably wide reset pulse to handle slow system power-up scenarios. The MAX16016PTBT+ also features an adaptive reset frequency (ARF) mode, which can reduce system reset cycles. ARF mode activates when a reset is not required but is still needed by the system. This improves power efficiency by reducing the number of unnecessary reset cycles.

The MAX16016PTBT+ features adjustable reset thresholds and a power-on reset input. This allows the user to adjust the reset thresholds and the power-on reset delay to suit specific system requirements. The MAX16016PTBT+ also provides programmable reset signals and can be used to create a reset circuit for applications where the reset signal needs to be delayed and/or pulsed in order to reset certain peripherals.

Closing Summary

The MAX16016PTBT+ is a highly integrated PMIC Supervisors which provides the necessary functions for microprocessor-based systems. It is ideal for battery-operated applications and applications with limited or no power supply filtering. Its wide voltage range and low current consumption make it suitable for a variety of applications. The MAX16016PTBT+ provides a programmable low voltage detector, watchdog timer, power-on reset and other features to ensure accuracy, reliability and system-level reliability.

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