MAX6363PUT46+T

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Power Management Integrated Circuit (PMIC), also known as Supervisors, are critical components in many electrical devices and systems. The MAX6363PUT46+T is a high-precision, low-power input supervisor providing voltage monitoring, error flag outputs, and an adjustable reset output timeout. This application field and working principle is described in more detail below.

Application Field

The MAX6363PUT46+T can be used in a variety of applications, including commercial and industrial process control, telecommunications, automotive, aerospace, battery-powered systems, and consumer electronics. It is designed to detect overvoltage or undervoltage conditions and provides system reset outputs to safely shut down the system when power fails. The monitor is designed to operate from a 2.3 V to 5.5 V regulated system supply, with a wide operating temperature range up to 125 °C.

Working Principle

The MAX6363PUT46+T provides two precision high-side comparators together with an adjustable reset output timeout featuring an active-low, open drain, reset output (RESET). It also has two independent, active-high error flag outputs (GPI and GPO) that indicate overvoltage, undervoltage, or reset timeout conditions. The two threshold voltage inputs (THI and THO) are designed to detect high-side overvoltage and low-side undervoltage conditions, respectively. The reset timeout period is determined by an external capacitor and resistor connected to the RT pin. The reset output is asserted when the voltage at the VOUT pin is below the low-side undervoltage threshold set by the THO pin or above the high-side overvoltage threshold set by the THI pin. The reset output is deasserted after the reset timeout period determined by the external capacitor and resistor.

Conclusion

The MAX6363PUT46+T is a high-precision, low-power input supervisor providing voltage monitoring, error flag outputs, and an adjustable reset output timeout. It is designed to operate from a 2.3V to 5.5 V regulated system supply, with a wide operating temperature range up to 125 °C. It is suitable for a wide range of commercial and industrial process control, telecommunications, automotive, aerospace, battery-powered systems, and consumer electronics applications.

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