MAX793TEPE+

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The MAX793TEPE+ is a Power Management Integrated Circuit (PMIC) from Maxim Integrated Products, Inc., specifically designed for use as a generic supervisor circuit. It provides a combination of Power-On Reset (POR), Under-Voltage Lockout (UVLO) protection, and an active low fault (F) output. The MAX793TEPE+ is available in either 8-pin SO or 6-pin MicroMAX packages and operates over a wide temperature range from -40°C to +125°C.

Features and Benefits

The MAX793TEPE+ offers a wide operating voltage range of up to 20V, allowing it to be used in a variety of digital circuitry applications. With a built in thermal resistance of 0.018°C/W, the MAX793TEPE+ can provide reliable protection against thermal over-stress. Additionally, the MAX793TEPE+ features a low quiescent current consumption of only 6.7µA, which makes it an attractive solution for battery powered applications.

The MAX793TEPE+ provides excellent flexibility to designers, with adjustable POR and UVLO thresholds, as well as adjustable timers for both POR and UVLO functions.

Applications

The MAX793TEPE+ is ideal for use in various digital circuits for various applications such as motor control, consumer electronics, telecom, and industrial automation. With its wide 20V operating voltage range, it is also suitable for automotive and portable device applications.

Working Principle

The MAX793TEPE+ acts as a supervisor to monitor and maintain proper operation of a system. It uses a multi-channel monitoring system that combines POR and UVLO features to protect the system. When the input voltage falls below the predetermined UVLO threshold, the MAX793TEPE+ puts the system into standby mode. Conversely, when the input voltage rises beyond the POR threshold, the system is enabled. To further protect the system, the MAX793TEPE+ maintains an active low fault output as a warning when the voltage drops below the UVLO threshold. The fault output will remain active until the input voltage is restored to its predetermined level.

Additionally, the MAX793TEPE+ is equipped with adjustable delay timers for both POR and UVLO functions. By controlling the length of delay, increasing or decreasing the timer thresholds, designers can tailor the device to their specific needs.

Conclusion

The MAX793TEPE+ is an excellent choice for designers who require a power management integrated circuit with low quiescent current, high voltage operation, and adjustable delay timer control. Its versatile design and adjustable features make it ideal for a wide range of applications, including motor control, consumer electronics, telecom, and industrial automation. With its wide 20V operating voltage range, reliable thermal resistance, and adjustable POR and UVLO capabilities, the MAX793TEPE+ is an ideal solution for both automotive and portable device applications.

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