MAX708ESA+

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PMIC (Power Management Integrated Circuit) Supervisors are devices capable of providing efficient, resilient, and reliable protection for circuits during undesirable event scenarios, such as power supply failure or failure of digital components. The MAX708ESA+ is an example of such a device. In this article, we will discuss the MAX708ESA+ application field and working principle.

MAX708ESA+ Application Field

The MAX708ESA+ is a low-voltage reset supervisory IC, which can be used in a range of applications, such as microcontroller-based systems, industrial systems, and consumer electronics. It is suitable for use in 3.3V and 5V systems, and can support up to seven different supply voltages. Since the MAX708ESA+ has wide voltage tolerance and low current draw, it can be used in battery-powered and space-constrained applications.

The MAX708ESA+ is ideal for use in system power-on reset, overcurent detection and prevention, thermal protection, system wake-up, and other reset applications, as it is capable of providing both reset and monitoring functions in one IC.

MAX708ESA+ Working Principle

The MAX708ESA+ is a voltage-detector IC that detects changes in system voltage or any other monitored voltage. It has an internal timer that brings the reset output pin low in the event of a power supply failure or an overcurrent condition. The device can be programmed to have a hysteresis and delay time that is suitable for each individual application. The hysteresis is adjustable via the RESET and RESETB pins.

The MAX708ESA+ also has a watchdog timer that can be used to monitor system activity. In the event that the system fails to reset itself within a certain period of time, the watchdog timer will reset the system. This is particularly useful for preventing system lockup in the event of an extreme event, such as a power surge.

In addition to reset and monitoring functions, the MAX708ESA+ also has a thermal protection feature. The thermal protection feature monitors the chip’s temperature to identify any potential over-temperature events that could damage the system. If the chip temperature exceeds a certain threshold, the MAX708ESA+ will reset the system to ensure that it does not get damaged.

Overall, the MAX708ESA+ is a versatile device, which can be used for a variety of applications. It is capable of providing both reset and monitoring functions, as well as thermal protection, in one IC. As such, it is an ideal choice for a variety of systems, from industrial and consumer products to microcontroller-based systems and battery-powered applications.

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