MAX6326XR24-T

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PMIC - Supervisors

The MAX6326XR24-T is a type of PMIC - Supervisors that is developed by Maxim Integrated. It is a 3-Channel Power-On Reset/Watchdog IC and belongs to the MAX632X series.

The main function of this device is to help ensure reliable system start-up and operation by providing a full system reset and a temperature-compensated watchdog timer. It also offers a built-in precision voltage reference with low drift, a power on reset circuit, and three watchdog timers.

In particular, the MAX6326XR24-T has wide operating voltage range of 3V to 5.5V, which reduces component count and simplifies system design. It has an extended battery backup capability with minimum supply current of only 0.75µA. It also has an excellent reset accuracy of ±1% of specification and a temperature compensated chirp reset.

Application Field of MAX6326XR24-T

The MAX6326XR24-T is mainly used in systems that are sensitive to start-up issues, such as communication systems, industrial control systems and medical applications. It can also be used for up-and-coming applications related to the Internet of Things (IoT), where reliable system startups are essential.

In particular, the MAX6326XR24-T has a wide range of applications, including systems where reset and watchdog protection is needed, like any embedded system that requires software reset protection, automobile systems, microphone and camera recorders, portable target detection systems and many more.

Working Principle of MAX6326XR24-T

The MAX6326XR24-T is designed to work with a wide range of microcontrollers. It monitors the output voltage levels of the microcontroller and if the levels fall outside of the preset ranges, it employs two powerful reset mechanisms. First, it generates a reset signal if power falls below the preset level and second, it provides a slow reset release if power levels remain below the preset level for more than 15μs. The reset circuits can also be used to generate a reset signal under extreme temperature conditions.

The MAX6326XR24-T also features an adjustable watchdog timer that can detect microcontroller lock-ups. The watchdog timer is temperature compensated and has an adjustable time-out period that can be set to any value between 1ms and 25.5s. The device has a built-in voltage reference with low drift which helps it maintain accurate time-out periods even with variations in system voltage.

The MAX6326XR24-T also features a power-on reset circuit. This circuit detects the system power supply voltage and generates a reset signal if the voltage falls below the preset level. The power-on reset circuit can be adjusted to different levels of reset by setting the output voltage levels.

Conclusions

To sum up, the MAX6326XR24-T is a powerful 3-channel power-on reset/watchdog IC from Maxim Integrated. It is ideally suited for embedded systems where reliable system starts are essential, such as communication systems, industrial control systems and medical applications, as well as for up-and-coming applications related to the Internet of Things. Its wide operating voltage range and adjustable watchdog timer make it an excellent choice for all these applications.

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