MAX6385XS41D2-T

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MAX6385XS41D2-T is a type of PMIC (Power Management IC) Supervisor. A PMIC Supervisor supervises the power supply to an application system by monitoring input voltages and providing reset signals, along with other control signals, to maintain proper operation of the application system. It differs from other PMICs since it provides voltage monitoring and reset signal outputs not only for single power supply systems, but also for dual supply (i.e. dual-rail) systems. It is ideal for supplying reset signals for processor-based application systems with dual-rail voltage supplies.

In terms of application field, MAX6385XS41D2-T is best suited for use in non-safety-critical applications where circuit complexity and component cost are a priority. It can be used in a wide variety of product designs including digital cameras, power tools, game consoles, computers, portable audio players and more. The device supports both single and dual-rail supply systems, with input voltage ranges of 2.6V to 5.5V, as well as output voltage ranges of 1.1V to 5.5V and up to 10mA.

The main benefit of the MAX6385XS41D2-T is its robust protection features. It employs a combination of voltage thresholds, current-limiting and comparator functions to provide reset and power supply supervision for applications. It has an integrated watchdog timer (WDT) with adjustable timeout period, as well as an active-low manual reset input and active-low reset output. The device also has an adjustable power-on reset (POR) delay and a programmable timeout period for the watchdog timer.

As far as the working principle is concerned, the MAX6385XS41D2-T operates according to the following algorithm: The device monitors the input voltage for undervoltage (UV) conditions. If a UV condition is detected, an active-low reset signal is issued. This causes the logic outputs to be reset, and the power supply to be shut off. If the device detects that the supply voltage has returned to an acceptable level, it will reset and reactivate the logic outputs and the power supply.

The device also includes a watchdog timer (WDT). This is a feature which monitors the activity of the application system, and if the system fails to perform a predefined set of operations, the reset signal will be issued. The period of the WDT can be configured, as can the length of the POR (Power-on Reset) delay.

The MAX6385XS41D2-T is a versatile and reliable reset supervisor for use in non-safety-critical applications. It monitors input voltages and provides reset signals to maintain proper operation of applications. The POR delay, WDT, and integrated active-low manual reset input and active-low reset output all provide essential protection features that support system reliability and robustness. The device is a great choice for those looking for a versatile, cost-effective, and reliable reset supervisor.

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