MAX6388XS36D2-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Push-Pull, Totem Pole
Reset:	Active High
Reset Timeout:	20 ms Minimum
Voltage - Threshold:	3.6V, Adj
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-82A, SOT-343
Supplier Device Package:	SC-70-4
Base Part Number:	MAX6388

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Introduction

Power management integrated circuits (PMICs) are essential for the efficient and reliable operation of modern electronics. PMICs are versatile and can be used for a variety of applications, including system sequencing, voltage and current sensing, current limiting, and power sequencing. Supervisors are specialized PMICs that monitor power levels, detect errors and unsafe operating conditions, and provide overcurrent protection. The MAX6388XS36D2-T is a supervisor IC that provides logic-level and overcurrent protection for portable applications, such as tablets and laptops. In this article, we will discuss the application field of the MAX6388XS36D2-T, as well as its working principle.

Application Field of MAX6388XS36D2-T

The MAX6388XS36D2-T supervisor is designed for portable applications, such as laptops and tablets, which require full system power-up and diagnostic on/off control. This IC is used to monitor power levels and detect erroneous or unsafe operating conditions. It provides logic-level and overcurrent protection to ensure reliability and efficient operation.The MAX6388XS36D2-T supervisor is capable of monitoring any single power rail up to 32V and can also detect low-voltage/high-current conditions. It is available in a 5-pin SOT-363 package and is designed for lead-free reflow operations. The MAX6388XS36D2-T supervisor also has an inrush current limit feature, which helps protect sensitive loads from the inrush current generated on power up.

Working Principle of the MAX6388XS36D2-T

The MAX6388XS36D2-T supervisor works by detecting unsafe operating conditions such as overvoltage and overcurrent. Its input voltage range is 5.5V to 32V, and it has a very precise voltage threshold of 0.03V. When the input voltage exceeds the threshold, the supervisor will pull its open-drain output pin (OMIN), lower than 0.8V, to indicate an overvoltage condition.The MAX6388XS36D2-T supervisor is also capable of detecting overcurrent. It has a very precise current threshold of ± 20mV with a typical operating current of 1mA. When the input current exceeds the threshold, the MAX6388XS36D2-T will pull its open-drain output pin (OMIN), lower than 0.8V, to indicate an overcurrent condition.The MAX6388XS36D2-T also has an inrush current limit feature that limits the inrush current on power up. The device has a wide range of adjustable current limits from 4A to 8A. When the inrush current exceeds the limit, the output pin (OPIN) will pull up, indicating an inrush current limit condition.

Conclusion

PMICs are essential for efficient and reliable operation of modern electronic systems. Supervisors are specialized PMICs that monitor power levels and conditions and provide overcurrent protection. The MAX6388XS36D2-T is a supervisor IC suitable for portable applications such as laptops and tablets. It is capable of monitoring any single power rail up to 32V, has a precision voltage threshold of 0.03V and a precision current threshold of ± 20mV. It also has an inrush current limit feature with adjustable current limits of 4A to 8A.

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