MAX6388XS34D7-T

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The simple yet powerful MAX6388XS34D7-T is an advanced, PolyPhase® overvoltage monitoring system designed to reduce board level complexity and cost. It has a wealth of sophisticated integration and debugging features, and its performance in power control and management is quite impressive. This polyphase monitoring and control circuit combines independent voltage and current monitoring with adjustable thresholds for an enhanced status monitoring of up to four single or two dual-phase power delivery systems. The MAX6388XS34D7-T is one of the most advanced PolyPhase® voltage monitoring and power management integrated circuits (PMICs) available on the market, featuring not just over-voltage protection, but also under-voltage lockout, power-on reset, enable and fault conditions.

The MAX6388XS34D7-T is a member of Maxim Integrated’s PolyPhase® family which supports a variety of over-voltage, under-voltage, and current monitoring and protection functions. In addition to these standard features, the device also offers optional features like programmable delay times, hysteresis levels, and adjustable thresholds. All these features make the MAX6388XS34D7-T an ideal choice for safeguarding sensitive components, especially in high-power systems.

The versatile MAX6388XS34D7-T can be used for multiple applications, including protection of sensitive components, power-on reset, motor control, and load detection. This device is highly suitable for accurately monitoring, controlling, and protecting up to four single or two dual-phase power delivery systems. Its extensive range of detection and protection features, such as adjustable total current limit, adjustable hysteric/break window, and active low enable, make the device suitable for controlling precise current limits and voltage thresholds during system operation. The MAX6388XS34D7-T is widely used in power supplies, battery management systems, and power subsystems associated with microcontrollers, digital signal processors, high-powered processors, and FPGAs.

The working principle of the MAX6388XS34D7-T is based on its integrated voltage monitoring system. This overvoltage monitoring system is composed of two to four independent channels along with adjustable over-voltage and under-voltage thresholds. The device also includes an on-chip voltage-to-current detector, a voltage regulator, and a comparator. The input is first connected to the voltage-to-current detector, which converts the voltage into a current signal proportional to the input voltage. This current signal is then fed to the voltage regulator which regulates the current based on the threshold levels. Finally, the output of the voltage regulator is compared to the set thresholds, and the output is used to trigger the fault/power-on reset/enable signals.

In summary, the MAX6388XS34D7-T belongs to the supervisors PMIC family and is one of the most advanced PolyPhase devices available. Its versatile detection and protection features enable users to accurately monitor and control up to four single or two dual-phase power delivery systems. Furthermore, it offers superior performance in power control, power management, voltage monitoring, and current monitoring. Its robust design, adjustable thresholds, and optional delay times and hysteresis levels make it the ideal protection solution for sensitive components. Finally, its working principle is based on its on-chip voltage-to-current detector, voltage regulator, and comparator.

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