MAX6365HKA31-T

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As part of the PMIC (Power Management IC) family, supervisors are integrated circuits (ICs) that protect microprocessors and other digital circuits from electrical damage deriving from excessive voltage and/or current. The MAX6365HKA31-T is a supervisor device specifically designed for use in a variety of mobile devices, such as tablets and mobile phones. This component provides overvoltage protection as well as undervoltage protection for business-critical circuitry, enhancing the safety and reliability of consumer electronics.

Overview of MAX6365HKA31-T

The MAX6365HKA31-T is a tiny, low power chip support 2.7 V to 5.5 V power supplies, making it well-suited for use in mobile devices. It includes an ultra low voltage (ULV) window-voltage supervisor that operates with an operating voltage as low as 1.8 V. Moreover, this component employs a programmable window-voltage functionality that enables flexibility in user-configuring the thresholds. In addition, the MAX6365HKA31-T is capable of monitoring multiple power sources with only a single resistive element. This makes it particularly suitable for those applications with space-constrained designs.

Features of MAX6365HKA31-T

The MAX6365HKA31-T features multiple protections and features, listed below:

• ULV window-voltage supervisor for monitoring power supplies down to 1.8 V.
• Programmable window-voltage thresholds.
• Programmable response time.
• Robust power-on reset.
• Integrated open drain output stage.
• Drop-in replacement option.

Application field of MAX6365HKA31-T

Due to its compact size and flexibility, the MAX6365HKA31-T is an ideal solution for use in a wide range of mobile device applications. These include the miniaturized and space-constrained designs of mobile tablets, Smartphones, media players, PDAs and other digital cameras, as mentioned above.

The MAX6365HKA31-T can also be used in other applications where integrated protection against power surges, brownouts, reverse polarity and overvoltages is desired. Furthermore, the MAX6365HKA31-T was designed for use in industrial, telecom and PC/peripheral applications and can even be used in automotive applications.

Working principle of MAX6365HKA31-T

The MAX6365HKA31-T utilizes resistor-divider network to monitor the supply voltage. When the supply voltage falls below or rises above the pre-programmed window thresholds, the reset output (RES) will be asserted, and the device remains asserted until the supply voltage rises above the drop out voltage threshold. The RES output is an open-drain output type, can be wire-ORed to other open-drain outputs from other supervisors if needed.

The RES output features a programmable response time, which allows the user to tailor the delay period of the reset output depending on the requirements of the application. The user can also program the window voltage thresholds; this allows the user to adjust the sensitivity of the reset circuit, to better detect voltage cycles or transients.

Conclusion

The MAX6365HKA31-T is a versatile, low power chip suitable for use in a wide range of applications, particularly those where space is limited. It provides overvoltage and undervoltage protection and is capable of monitoring multiple power sources with only a single resistive element. This makes it well-suited for mobile device and other industrial applications, making it an ideal choice for applications requiring reliable protection from excessive voltage and/or current.

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