MAX6791TPTD2+T

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The MAX6791TPTD2+T is part of the family of advanced supervisors with microprocessor reset capabilities and analog watchdog functionality. It is a high-end PMIC (power management integrated circuit) - Supervisors that includes a single high-accuracy voltage monitor, three low-voltage reset (LVR) supervisors, and an analog watchdog with a temperature-compensated reset threshold. It is a highly reliable, accurate, and flexible component suitable for the most challenging power management applications.

The MAX6791TPTD2+T is used in a wide range of applications, and is particularly suitable for telecom, industrial control, consumer, communication, and other power management applications. It provides flexibility and system reset features that suit a variety of monitoring, protection, and supervised power applications. The device also features low voltage warning and cold-start capabilities for added reliability and flexibility.

The MAX6791TPTD2+T’s versatile architecture provides two supply-sensing outputs and a single reset output that are routed in ideal locations on the die for easy system implementation (SOLV, SOVL, and PCR). All three system outputs are designed to be latched when active, allowing for remote, system-wide power control. The component also includes an adjustable temperature-compensated reset timing delay and temperature-compensated reset threshold to ensure accurate reset conditions.

The MAX6791TPTD2+T’s working principle is based on a variety of signals and processes. First, voltage monitoring is performed through two voltage channel inputs – VLMON and VMON. These channel inputs monitor the power supply voltages of the system and determine whether they are within the acceptable range. When any of the two channels reaches its upper or lower threshold, the voltage monitoring signal is generated and the device outputs a reset signal. The high-accuracy voltage monitor also provides an output enable when the supply voltage exceeds a predefined voltage.

To ensure system reliability and protection, the MAX6791TPTD2+T is equipped with an adjustable temperature-compensated reset timing delay and temperature-compensated reset threshold. This helps prevent premature and false resets, which could otherwise cause system failure. Additionally, the device includes an adjustable reset window to select the reset mode and timing. With this feature, the system reset can be triggered depending on the conditions of the power supply (rising or falling).

For added security, the MAX6791TPTD2+T provides a watchdog timer capable of monitoring and detecting changes in the system environment and then issuing a reset signal when necessary. The watchdog timer is adjustable and can be programmed to operate at 2, 4, 8, 16, or 32 times the nominal watchdog period. The analog watchdog operates in combination with the temperature-compensated reset threshold and provides an additional layer of protection against system failure.

In addition to these features, the MAX6791TPTD2+T integrates a comprehensive selection of passive and active components needed for power management. The device includes an on-chip LDO (low drop-out regulator), a dual P-Channel MOSFET, an LDO control circuit, and a level translator. All the components are designed to be used in series and provide the required power management solutions to effectively monitor and control the system.

In conclusion, the MAX6791TPTD2+T is a high-end PMIC - Supervisors that provides a single high-accuracy voltage monitor, three low-voltage reset (LVR) supervisors, and an analog watchdog with a temperature-compensated reset threshold. The device offers a wide range of functions that are suitable for the most challenging power management applications. Its versatile architecture, including two supply-sensing outputs and a single reset output, ensures reliable and accurate system reset features and system-wide power control. Additionally, the device features a watchdog timer and an adjustable temperature-compensated reset threshold which provide added security and protection against system failures. All in all, the MAX6791TPTD2+T is an ideal solution for any power management application.

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