MAX6753KA31+

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Supervisors are protective devices used in integrated circuits to monitor system voltages, currents, and temperatures for any undesired deviations. MAX6753KA31+ is a good example in the field of PMIC-Supervisors. This article will cover its application field and working principle.

The MAX6753KA31+ PMIC-Supervisor is used in applications requiring overvoltage, overcurrent, overtemperature, and undervoltage protection, with a wide operating range. This device was designed to monitor system voltages, currents, and temperatures within a predetermined range. If these values exceed tolerable levels, the device shuts off the power to the monitored system and will not re-activate until manually reset.

The MAX6753KA31+ can be used to protect a variety of components, including Li-ion or Li-polymer batteries, optical pickups, ASICs and FPGAs, and its combination of overvoltage, overcurrent, overtemperature and undervoltage protection prevents damage to the component. Its operating temperature range is -40°C to +85°C. This wide temperature range allows it to maintain reliable protection in harsh environmental conditions.

In addition, the MAX6753KA31+ features selectable voltage thresholds and hysteresis, which can be adjusted dynamically to match system requirements. The hysteresis bands are adjustable to within a 1% tolerance. This feature ensures that the device operates properly even in environments with large voltage fluctuations.

How does the MAX6753KA31+ function? The device uses its integrated circuits to monitor system voltages and currents, which are compared to predetermined threshold levels. An interrupt request is sent when any of these values exceed the corresponding thresholds. The device then shuts off power to the monitored system, preventing damage to the component.

The MAX6753KA31+ is equipped with a power-on reset (POR) circuit, which provides an additional layer of protection. This circuit monitors the power supply voltage and sets a small delay before powering up the system, allowing for any large voltage surges to dissipate before turning on the system.

The MAX6753KA31+ is a high-performance PMIC-Supervisor well-suited for applications requiring advanced overvoltage, overcurrent, overtemperature, and undervoltage protection. Its wide operating temperature range and selectable voltage thresholds and hysteresis provide reliable protection in harsh environmental conditions. With its integrated circuits and POR circuit, this device ensures that the system is safe from damage or malfunction due to excessive voltages or currents.

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